This thin, flexible coaxial cable is useful in high-temperature environments and when wiring in tight spaces. BNC Male to BNC Male Cable Using RG316 Coax PE3C2416 from Pasternack Enterprises is available for same day shipment from our Irvine, CA location in the United States. Coaxial Cable, Per Ft, MIL-DTL-17, Silver Plated Copper Braid, RG316, 50 ohm. This Fairview SMA to. Find Coaxial Cable Assemblies RG-316 Coaxial Cable Type, 70 Velocity Factor Percentage and get Free Shipping on Most Orders Over $99 at DX Engineering!The calculator also computes an estimate of the complex characteristic impedance implied by the loss model, nominal Ro, and velocity factor using an RLGC model. 4 [96. Velocity Factor: 84% (0. 0dB: This cable is sold by the foot. JOHNSON - CINCH CONNECTIVITY. This velocity seems strongly dependent on the properties of the cable's dielectric. 966x10^8 m/s. The Velocity Factor (VF) is a property of transmission lines, specifically used with coaxial cables. The line is energized by a 1 GHz, 50-Ohm generator. Here's a simple example usage: the output is connected to a 50 cm section of RG316 cable, with the end unterminated. Velocity of Propagation, % 69. 5 inch. 1 m, Z0 = 50 W lossless transmission line, RG316, with a velocity factor of 0. 016 ns to go 1ft. The RG316 loss chart gives common frequency and loss characteristics. However all these methods need an accurate Velocity Factor (VF) input. RG174: (Sheath colour: black) 50Ω. 66: Attenuation: Frequency (MHz): Nom dB/100ft: 50MHz: 5. . RG316-DS coax has a shield count of 2 and the maximum frequency for this Pasternack cable is 3 GHz. 84) Velocity Factor: 81% (0. DX Engineering RG-400 High Isolation Coaxial Cable Assemblies DXE-RG400R003 DXE-RG400R003. 8 30. RG58A, RG58B, RG58C, RG213, RG214, and RG8 have a velocity factor of 0. In the last lecture we discussed the basic mechanisms of energy exchange in compressors and drew some simple velocity triangles to show how we go from the stationary coordinate system to one in the moving blades. Coax Collinear Element Materials and Velocity Factor. 99 dB/100m . 66) Velocity Factor: 69. 44 5+ $. 85 dB/100m . Typical propagation delay for category 5e UTP is a bit less than 5 nS per meter (worst case allowed is 5. RG316DS 50 Ohm Coaxial Cables. Add to Cart. Using the Smith Chart or otherwise: (i) Find the magnitude and phase angle of the reflection coefficient at the load. 66 and a cable with PTFE dielectric has VF = 0. 8 Outside Dimensions (inches) 0. 19 142. general description spccs conductor, ptfe dielectric, spcw braid, fep sheath. 46] [pF/m] Performance by Frequency Band. 88 as the velocity for all LDF series cables. For 3 ≤ m G ≤ 20. g. Technical Articles. 5dB – Suitable for longer cable runs, up to ~10m – Maximum recommended power handling 1300W This is the best cable for Wilkinson combiners, internal wiring and all applications which require direct soldering, good power handling and high temperature resistance. Velocity after a certain time of acceleration: final velocity = initial velocity + acceleration × time. Quantity: Sold by the foot. 39” Shield: Silver Copper braidThe RG316D or RD316 is a double shielded cable and an alternative for the common RG316. • Velocity of Propagation 69% Applications • General Purpose • Antenna Feeds. Temperature range from -55°C to +200°C. RG-400 High-Isolation Double-Shield 50-ohm Coaxial Cable. LMR400 50-ohm coaxial cable is relatively heavy, with an outside diameter of 0. 5mm Impedance: 50 ohms Frequency of use: 0 to 3000 Mhz Velocity: 70% Attenuation over 100m of RG-316: 100 MHz: 26. 00 Adhesion 400 MHz 17. Center Conductor: Solid Silver Copper-Clad RG316-DS RG316-DS-BULK flexible 50 Ohm coax cable with FEP jacket is rated for a 3 GHz maximum operating frequency. 000 LB BROWN E #26 RG316 COAX M17/113 84316 001500 500 FT 6. For more. 1 m, Zo = 50 2 lossless transmission line, RG316, with a velocity factor of 0. RG316 attenuation is lower than other options in this category due to the large size of its conductor. New Product (16). DESCRIPTION. The RG174 A/U is a very flexible, thin and favourable coaxial cable for many applications. 42 92. I think I am well tuned on the frequency resonance (length of the dipole branches were cut to 150 mm each to account for a 0,91 velocity factor due to the plastic tube surrounding the servo wires). Coaxial Cable, MIL-DTL-17, Single Braid, RG316, 25 AWG, 50 ohm, 328 ft, 100 m. For a closed-cell foam dielectric, forIt’s true that both RG174 and RG316 feature stranded, copper-clad steel conductors, silver-plated copper braid shields, PTFE dielectric materials, and an FEP jacket. RD-316 (RG316 DOUBLE SHIELDED) - Times Microwave Systems. RG316 clear outer can be stripped with electrician's stripper using 1. 02 16. 86 ns/m Screening effectiveness ≥ 38 dB (up to 1 GHz) Operating voltage ≤ 1. 5 % Operating Voltage (AC) 1,200 Vrms Nominal Capacitance 29. Line Type: Belden 8215 (RG-6A) Belden 8237 (RG-8) Belden 9913 (RG-8) Belden 9258 (RG-8X) Belden 8213 (RG-11) Belden 8261 (RG-11A) Belden 8240 (RG-58) Belden. VF varies with frequency. 49mm - M17/113-RG316 21T2405 Data Sheet + RoHS. RG316 Product details. Our M17/113-RG316 Flexible Coax Cable Tan FEP Jacket is in-stock or assembled at our ISO 9001:2 008 certified facilities in Texas. The velocity factor of solid twinline is usually about 0. RG316 attenuation is lower than other options in this category due to the large size of its conductor. – Velocity factor: 0. 096: Dielectric: TFE Teflon: Outer Conductor: 96% Silver Coated Copper Braid: Inner Conductor:Valve Pressure Recovery Factor When a fluid passes through the valve orifice there is a marked increase in velocity. Where, TDR length = Time domain reflectometry length in m. The model assumes: R is proportional to square root of frequency; L is constant; G is proportional to frequency; and; C is constant. RG-316 Type 50 Ohm MIL-C-17G QPL Cable. Expressed as a number between 0 and 1 (or a percentage), it is the ratio of. Propagation Velocity: 69%: Signal Delay: 4. 47MHz for a 1m o/c stub, VF=0. Our M17/113-RG316 Flexible Coax Cable Tan FEP Jacket is in-stock or assembled at our ISO 9001:2008 certified facilities in Texas. Velocity of Prop. Created Date: 7/17/2019 1:31. It also has two overall silver-coated copper shields that provide lower signal loss than similar RG58 and RG174 cables. Set Parameters as Desired. 012: 0. 5 % Shielding Effectiveness 85 dB Operating Voltage (AC) 1,200 Vrms Inner Conductor DC Resist. The round-trip has taken 5. For a lossy transmission line $ Z_0 = frac{sqrt{R+jomega L}}{sqrt{G + jomega C}} $ Note that for $ R << omega L$ and $ G << omega C$ this reduces to the expression in your question. 10-32 Male to BNC Male Cable Using RG316 Coax PE3C3424 from Pasternack Enterprises is available for same day shipment from our Irvine, CA location in the United States. Rp19. M17/113-RG316 M17/113-RG316 KX22 SCWS 7 x 0. $2. Coaxial Cable RG-174 & RG-58AU Characteristics. RG-217 coax cable is the most common type used in RF systems. 12: 0. DESCRIPTION. Nominal velocity of propagation: 69. D = diameter of insulation under the shield. Center Conductor: Solid Silver Copper-Clad Steel Strand Size: 0. 27: 0. 0×10 8 m/s, or 9. The RG393 type cable comes with a FEP jacket. Fig 1: Loss of common coax cables; Fig 1 shows the loss of common low cost coax cables. 30m to find it in feet multiply by 3. 82 Ohms/1000ft Outer Conductor DC. The RG315/U from Pasternack is suitable for indoor/outdoor uses and in high-temperature applications. 2. Multiple ImagesThe calculator also computes an estimate of the complex characteristic impedance implied by the loss model, nominal Ro, and velocity factor using an RLGC model. 9 65. 0. Pricing and Availability on millions of electronic components from Digi-Key Electronics. The table above gives 0. Our RG316 Flexible Coax Cable FEP Jacket is in-stock or assembled at our ISO 9001:2008 certified facilities in Texa\ s. I need a few RG316 BNC to SMC and at $16. Operating Temperature-55°C ~ 200°C. Logged. $2. Velocity of Propagation % 70: Max Voltage: VMS: 1200: Max Frequency: MHz: 3,000 . Our selection of coaxial cables in RG316 (RG-316) below. . 80,to work out the electrical halfwave it 300/27. You should use the average velocity formula if you can. 3628-22510079-DS-ND. Direct Bury: No . This 50 Ohm 0. You previously purchased this product. RG316-DS coax cable has an attenuation at 1 GHz of 26. MIL-C-17/60. 9 kg/100 m Min. View the options and order: RG-316 Type 50 Ohm MIL-C-17G QPL Cable. > on resonant length as increasing the resistivity by 100 times. UV-Resistant: Yes . 3. A thin, flexible, double braid coaxial cable of 50-ohm impedance with an FEP jacket of 0. physics. RG-316 Type 50 Ohm MIL-C-17G QPL Cable. RG316 attenuation is lower than other options in this category due to the large size of its conductor. 8 [101. 5%, stranded conductor at 7 strands. Average velocity is always less than or equal to that of average speed; this is because displacement can never be higher. Frequency 50 100 400 1,000 MHz Attenuation, Max 0. 3dB/100ft : Maximum Voltage Rating: 900VAC : Impedance (Ohm) 50 : Conductor DC Resistance:velocity factor : b 5: factor for angle of oscillation , refer to Note: p: specific bearing load [N/mm 2] (for values of p < 10 N/mm 2 use p = 10 N/mm 2) v: mean sliding velocity [m/s] f β: factor depending on the angle of oscillation , refer to Note: f H: factor depending on the frequency of relubrication : funswept wing, the effective edge-velocity factor must be obtained from the chart presented in reference 3 . Frequency 1 Frequency, MHz 100 Attenuation, dB/100ft [dB/100m] 3. Since any dielectric permittivity greater than 1 (air/vacuum) will have the effect of slowing the phase velocity of a wave, the VF is given as a percentage representing that reduced phase velocity. of Max Strands x Strand Size. Assume that you have a cable of known length (1m in this example) but need to know the velocity factor. A microstrip line on a circuit board with Z 0 = 50 [Ω] is connected to a load impedance Z L = 100 - j (100) [Ω]. With increasing permeability, the skin depth decreases, increasing loss. 82. g. Finding the phase velocity of a lossy line is difficult as the propagation constant $eta $ will, in general, be a non linear function of frequency. Testing Part III: Day 1: Conducted November 24th 2018 ~ 1pm. Propagation Velocity: 69. A cable with a velocity factor of 0. Product Description Mil-Spec Coax, 50 Ohm, RG-316, 26 AWG (7x34) Silvered Copper Covered Steel Conductor, PTFE Insulation, 95% Silvered Copper Braid Shield, FEP. The complete development of transmission line theory is presented in Section 2. CCSMA-MM-RG316DS-12 RG316 Double Shielded Cable, SMA Male/Male, Straight/Straight 12”. 38 dB: Frequency, Max: 3 GHz: Max Operating Temperature:. For RG-316 most common connector types as well as a range of micro. You can get the velocity factor for various types of coax from tables in electronics books dealing with transmission lines, such as the "Radio Amateur's Handbook". RG316-DS coax cable has an attenuation at 1 GHz of 29 dB and a maximum power of 120 watts at 1 GHz. Archived Questions & Answers. The velocity factor is simply the inverse of. RG6/U 75 Ohm Quad Screen Foxtel Coaxial Cable. 67c. Our RG316-DS coax is constructed with a 0. Understand industry best practice for the proper use and selection of air velocity/airflow measurement instruments. The return loss of a device is found to be 20 dB. 20dBVelocity of Propagation 96. Specification . The higher the velocity factor, the lower the loss through the cable. 4 21coax is affected by the velocity factor which depends on the dielectric material. I have build this dipole with no balun out of a RG316 coax cable and servo wires. 69 times the speed of light which makes the cable length of 3 feet well over 0. 84316 001100 100 FT 1. A Coaxial cable is a type of cable that is used to make transfer RF/Microwave signals. 1Unterschied RG316 und RD316: Das RG_316 besteht aus den gleichen Materialien. Fairview Microwave RG316 coax is constructed with PTFE dielectric and a maximum operating temperature of 200 degrees C. 5% RG 223 Loss Attenuation Specifications and Power Handling by Frequency Frequency (MHz) Attenuation (db/100ft) Power (watts) 10 2. The velocity factor is directly related to the permittivity of the transmission line. 2 Maximum Operating Frequency, GHz 8 RF Shielding, dB 90 Capacitance, pF/ft [pF/m] 29. Velocity of signal propagation 69 % Signal delay 4. d = diameter of inner conductor. Click the following link (or enter part number in “SEARCH” on website. Velocity Factor: 84% (0. Pasternack RG316-DS flexible coax cable is 50 Ohm and has a PTFE dielectric. The Fairview Microwave RG316-DS Flexible Coax Cable Tan FEP Jacket is part. 55 mm Outer conductor Copper, Silver plated Braid, 95% 2 mm Jacket FEP (Fluorinated ethylene propylene) RAL 8015 - br 2. e. The cable data was based on measurements using the HP-4192A Impedance Analyzer. 6. v a v g = Δ x Δ t = x f − x 0 t f − t 0. $egingroup$ SDsolar - this is not entirely true - the velocity factor of material is important to calculating the length of an antenna. 015: Halogen-free: Trailing cable:S31601 is equivalent in size as the standard Mil-Spec RG316 coax but slightly lower in loss due to the extra inner foil shield. Taking the phase(S11) measurement gives the following plot: The first zero-crossing on the phase plot is at 92. RG316 DOBL SILDD RF COA CABL ASSMBLIS Rev. 24, the velocity factor will be less than 0. 1∙10/ O A ?. Direct Bury: No . The RG316 / U is a 2. in the cables, cable coaxial category. Part Number: CEW-316DB005. 2) Velocity Factor of a Coaxial Cable. 5 available from Europe for delivery within 1 working day(s). 89] Frequency 2. Harga Kabel Teflon 2,5mm RG-316 impedansi 50 Ohm panjang 50 cm - 60 cm. RG316 coax cable specs for this wire properties can be found on its RF coax cable RG-316 datasheet PDF specifications above. Lets look at some numbers. 5 pf/m. Velocity Factor Percentage . Velocity of Propagation: 69. RG316, 50 Ohm, 3 GHz, 200°C, ø2. Cable Type : RG12 FOR RADAR X-BAND FAR-3320 Material : BARE COPPER Armour type : GALVANIZED STEEL WIRE IMPEDANCE: 75OHM JACKET MATERIAL: LOW SMOKE ZERO HALOGEN USE:TELECOMMUNICATION MARINE RADAR Manufacturer Part No : RG12/U FRNC. •VSWR sweep testing. 4 dB/100m . 7 to over 1 depending on cable type and spacing. Numerical values. 86 ns/m: Insulation Resist: ≥ 1 x 1000000000 MΩm: Min. 20. 84) Velocity Factor: 81% (0. From the cursor measurement, we can determine the velocity factor of the cable. Instead of calculating the conductor and dielectric attenuation using the given formulas on the coax page, you can get the results using: a = K1 x sqrt (F) + K2 x F (dB/100 feet) Where K1 is the resistive loss constant. Shielding factor [db] 52: Velocity [%/c] 66: 69: Delay [ns/m] Mechanical: Temperature: max. Velocity of Propigation (VP) Voltage Rating. Dadurch ergeben sich diese Vergleichswerte: RG 316: RD 316: Grenzfrequenz: 3,0 GHz: 12,4 GHz: Dämpfung bei 2 GHz: 1,29 dB:Velocity Factor: 84% (0. 6 ft, 2 m. 01. Mechanical Specifications. Velocity of Propogation 69. This slowing effect is almost entirely caused by the dielectric material—in coaxial cables, the insulation between the shield . 25m,so either way mate your just about spot on. If the "stuffing" in a coax cable is. Coaxial cable, or coax (pronounced / ˈ k oʊ. 5” Fixed Install 2. Conductor DCR Nom. $45. A makeshift dipole transmitting antenna is constructed as shown below to transmit on the 533 MHz band. 78 (1) 82 (18) Get Results; Price Range . The RG393 type cable comes with a FEP jacket. A makeshift dipole transmitting antenna is constructed as shown below to transmit on the 533 MHz band. About Velocity Factor and Cable Loss. 00 Printing 1800 MHz 38. Follow the steps below to use the Moody equation to estimate the Darcy friction factor. 9 65. Velocity Formula: Speed is also known as the magnitude of velocity. Zo length In antenna generator Za C 2/4 Insulator The po sheds b Standard. 99] [pF/m] . space. In fact, the velocity factor can be derived from the lumped model of a transmission line: simulate this circuit – Schematic created using. 3m, and ⅔ of that is 3. 1 1 5 GHz Attenuation, Typ 1. 200m/roll standard 2 Clear Plastic Bag 3 Standard Export CartonRF Cable by Cross RF ( 46 more products) Download Datasheet Request Quote. RG316 Flexible Coax Cable FEP. 66 dB/100m . Average velocity is the total displacement by total time and is given by v = x/ t where ∆ x is the total displacement of the body and ∆ t is the time. 59 mm] Environmental Specifications Temperature Operating Range -55 to +200 deg C Compliance Certifications (see product page for current document) Plotted and Other Data Notes: Configuration: Flexible Cable 1 Shield(s) Velocity: Solid Polyethylene (PE) 1. The ratio of the above speed to the speed of light gives us the velocity factor Vf: 0. $2585. The Time domain reflectometry (TDR) length is calculated by using the following formula. 59mm 1200VAC. Of the metals listed above, only iron and nickel have significantly higher permeability. This is why velocity factor is also called velocity of propagation. Nexans's M17/113-RG316 is a coaxial cable braid polytetrafluoroethylene 2. The Fairview Microwave RG316-DS Flexible Coax Cable Tan FEP Jacket is part. Both components receive a current simultaneously, generating a magnetic field. Rfc-10t comtelco sma crimp male coax connector for rg174/rg316 typeIndustry info Coax cable flexible chart assemblies custom connector electrical sizesCoax different coaxiales. Conductor: Silver-coated copper-plated steel; Dielectric: Pure PTFE; Screen: Silver-plated copper braid; Jacket: Fluorinated ethylene propylene;. Our RG316-DS Flexible Coax Cable Tan FEP Jacket is in-stock or assembled at our ISO 9001:2008 certif ied facilities in Texas. 66. reliable performance, dependable service While the information contained herein in this catalog, has been carefully compiled to the best of our knowledge, nothing is intended as representation and warranty on our part; and no statement shall be construed as recommendation to infringe. Wi-Fi, Mobile, Model construction et al. Bobbydnovaman. MRO Part# RG316-BLU. The temperature range is -55 to 200C (-67 to 392F). TE Connectivity Coaxial Cable RG316 Coaxial, Unterminated; RS PRO Male SMA to SMA Coaxial Cable RG316 Coaxial, Terminated;Velocity of propagation is 69. v. My trimmed length for 80M finished up at about 740mm of complete coax (plus another 40 to 50mm of separated inner and outer to the solder lugs) but RG316 starting length value should be at least 850mm to 900mm. This cable is also available for purchase in. Raising the D/d has no effect on Vp. RG316 is a High Power, Indoor/Outdoor, Flexible, Coaxial cable. temperature, environmental factor, and power capability. Center Conductor: Coper. The Fairview Microwave M17/113-RG316 Flexible Coax Cable Tan FEP Jacket is part. Our cable exceeds the UL standard MIL C 17. less than half of the power came out at the other end. arnoflex 7 UF Koaxialkabel. Check part details, parametric & specs updated 15 OCT 2023 and download pdf datasheet from datasheets. 00. Frequency Range DC 3 GHz Impedance 50 Ohms Velocity of Propagation 69 % Operating Voltage (AC) 900 Vrms Dielectric Withstanding Voltage (AC) 2,000 Vrms Jacket Spark 2,000 Vrms Velocity Factor: 66% (0. Mouser Part # 538-73251-0930. r. Cables mayangRg214/u double shielded coaxial cable, rf max Coaxial cable's specificationsCoaxial cable list cables standard flexible table rf velocity factor qst 1946 april characteristics. Check the velocity factor for bare copper, which is 0. Beli Kabel Rg316 terbaik harga murah November 2023 terbaru di Tokopedia! ∙ Promo Pengguna Baru ∙ Kurir Instan ∙ Bebas Ongkir ∙ Cicilan 0%. 5” Fixed Install Recommended for Rotator Loops DXE-400MAX Low-Loss Cable DXE-8U Low-Loss Foam Dielectric Cable 66. Little "c" is the speed of light. 99] [pF/m] Mechanical Specifications. RG316 26AWG 50ohm 82ft 25m Brown PTFE SPCCS (Silver Plated Copper Coated Steel) 7 x 0. 10mm) 2. View in Order History. 00. 195 dB. 76 ns per metre). 11 to 9. RG-58 and RG-59 coax (thin) General Rules for Coaxial Cable. 50 210. 66) Minimum Bend Radius: 6” Repeated BendsMinimum Bend Radius: Minimum Bend Radius: 2. 28=14. 3 m x 0. RG213 Coax Cable. Velocity Factor of Hardline Coax. 6dB 3000 Mhz: 153. (Other coax: different velocity factor = different lengths required) Velocity factor (VF), nominal: 69. It is. More details for EZ-250-SP can. McCORMICK . You previously purchased this product. RG316/U$egingroup$ The biggest difference between copper and aluminum and probably the major factor to consider is: cost and weight. RFC400 is a low-loss but high-performance coax cable in the RG8 category. Check part details, parametric & specs updated 26 SEP 2023 and download pdf datasheet from datasheets. None matched the Velocity Factor caused by the dielectric inside the coax. In addition, some RF interference may. A 50 Ω lossless line is to be matched to an antenna with ZL (75-J20) Ω using a shorted stub. [1] (ii) Find the VSWR for a monochromatic wave on the line. 2 14 14 . Standing wave ratio. > the square root of the DC resistivity. 79=4. Raising the dielectric constant lowers Vp. A 1/12 wavelength section of coax at 146 Mhz will be 6. Nom. I don't trust BEVRC to use the proper coaxial cable. 1Unterschied RG316 und RD316: Das RG_316 besteht aus den gleichen Materialien. 7. 5%: Insulation Material: PTFE: Shielding: Silver Plated Copper Braid: Operating Temperature Range-70 → +200 °C. If continuous lengths are needed, please alert your Allied Wire & Cable. Temperature Operating Range-55 to +200. The high performance coaxial cable is supplied in exact accordance with the MIL-DTL-17 specifications. 5 mm, FEP jacket Technical Data Construction Material Detail Diameter Centre conductor Steel, Copper+Silver plated Strand-07 0. Operating frequency range. 21: 0. Mil Spec equivalent is M17/113-RG316. Another is RG316/U which is (IMO) a better cable, but harder to find and more expensive. 6 28. Electrical Specifications. Solid Teflon (ST) 1. 195 0. Understand the different types instruments used for air velocity/airflow measurement (thermal anemometers, rotating vane anemometers, flow hoods, etc. 1. docx By: C. D = diameter of insulation under the shield. The Fairview Microwave RG316-DS Flexible Coax Cable Tan FEP Jacket is part of over 1 million RF parts and components that are available for shipping same day domestically or internationally. 3 1072. K2 is the dielectric loss constant. 24, the velocity factor will be greater than 0. The load of this antenna, Z₁ = 150 + 50 j 2 is connected to a 6. 5% (0. However, if Er is less than 1. 7 times the speed of light or 2. A Coaxial cable is a type of cable that is used to make transfer RF/Microwave signals. SMT Multilayer (0603) SMT Multilayer (0805) SMT Multilayer (1206 & Larger) SMT Electrolytic; SMT TantalumRG316 Coaxial Cable. Advantage: This is smaller (closer spaced) than 450 Ohm windowline. Air Space Teflon (AST) 1. Capacitance (pF/m) 96. A configuration as simple as a single insulated wire above ground needs to be modeled, built and tested to extract the equivalent RLGC-parameters, characteristic. The SMA male to SSMC plug cable using RG316-DS coax, part number FMCA1498, from Fairview Microwave is in-stock and ships same day. Superbat RG142 RF Coaxial Cable 50ft, M17/60 RG142 Coax Cable Double Shielded for Aircraft Comm Radio UHF Jumper Ham Radio Antennas Cable etc. 84) Velocity Factor: 81% (0. Characteristic Impedance Nom. Velocity of Propagation 70 % Operating Voltage (AC) 1,200 Vrms Nominal Capacitance 32 pF/ft [104. Quantity: Sold individually. Treating the cable capacitance as a lumped capacitance probably won't be too accurate, and it's better to treat the cable with a more accurate model - distributed inductance and capacitance which. 0 corresponds to the speed of light in a vacuum, or the fastest VF possible.