显示读数中的SWR、电阻、电抗、共振频率,是天线系统和MFJ-259B连接后组成的系统中测得的。仪器和天线之间的连接阻抗对测量所得的共振频率(电抗的零交差点的频率)是有影响的,测量值可能不是天线系统自身的共振频率。本仪器(如同其他任何高频阻抗测量仪一样)显示天线阻抗,50欧姆SWR, 以及被MFJ-259B和天线之间的连线...
measure frequency readings. If you have an MFJ249 or MFJ-259 read the frequency from the counter display. Finding the resonant frequency of a tuned circuit. 1. To check the resonant frequency of a tuned circuit, remove all power from the circuit under test. ...
The MFJ-259B is a complete ham radio test station including -- frequency counter, RF signal generator, SWR Analyzer, RF resistance and Reactance Analyzer, Coax Analyzer, Capacitance and Inductance Meter and more! Includes a built-in RF Resistance Meter. Uses ten AA cells (not supplied) or ...
jammer()频率范围：jammer()MFJ-259B 1.8 to 170 MHz andjammer()MFJ-269 &...
DC Car Power Cord Adapter for MFJ MFJ-259 MFJ-259B SWR Analyzer Auto Vehicle PSU SAFETY MECHANISMS : Our chargers are tested by the manufacturer to match 100% or exceed the OEM specifications. Certified design to ensure superior performance and ...
The MFJ-259B RF analyzer is a compact battery powered RF impedance analyzer. This unit combines four basic circuits; a 1.8-170 MHz variable frequency oscillator, a frequency counter, a 50 ohm RF bridge, and an eight-bit micro-controller. This unit makes a wide variety of useful antenna or...
HomeALLMFJ-7741, COAX REDUCER FOR PL-259, RG-58, 25.3MM $9.95 Description Is a Coax Reducer for RG-58 MFJ-7741Pis a 12 pack Use withMFJ-7740(MFJ-7740Pis a 12 pack) MFJ-7742reducer to use RG-8X. (MFJ-7742Pis a 12 pack) ...
1. DC to 1 GHz onMFJ-262Bwith SO-239 connector. Handles up to 200 Watts for 5 seconds and 35 Watts continuously. MFJ Handy 3 GHz Dry Dummy Loads have a built-in male connector (Your choice of PL-259 or Type N connectors) for direct connection to your transmitter. A heavy duty, ...
现货自助💰259 经典款 Helly Hansen HH 户外运动风格 毛圈材质 男士休闲运动短裤 S码:腰围78-82 腿围62 裤长50 适合125斤左右 M码:腰围82-86 腿围64 裤长51 适合140斤左右 L码:腰围86-90 腿围66 裤长52 适合...
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