MFJ HF/VHF SWR ANALYZER MFJ259b Tech Special needs

Mfj 259b. MFJ259B They combine four basic circuits; a 1.8-170 MHz variable frequency oscillator, a frequency counter, a 50 ohm RF bridge, and an 8-bit micro-controller The MFJ-259B can then be swept through the desired transformer frequency range

MFJ259B
MFJ259B from inradio.pl

This is in working condition with a clean battery compartment Uses ten AA cells (not supplied) or optional MFJ-1312D.

MFJ259B

The MFJ-259B can then be swept through the desired transformer frequency range 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 It provides a relatively pure (harmonics better than -25 dBf) signal of approximately 3 Vpp (approximately 20 milliwatts) into 50 ohm loads

MFJ 259b Antenna Analyzer Looks and Works Excellent Used Antenas. See ratings, pros and cons, and tips for using this tool. They combine four basic circuits; a 1.8-170 MHz variable frequency oscillator, a frequency counter, a 50 ohm RF bridge, and an 8-bit micro-controller

MFJ259B HF & VHF ANTENNA ANALYZER SWR & OTHER FUNCTIONS LOOKS NEW SAVE. Page 25: Testing Rf Chokes Troublesome series resonances can be detected by installing the choke in the operating location, and connecting only the MFJ-259B from end to end through a short 50 ohms jumper cable MFJ 259B HF/VHF SWR analyzers are compact, battery-powered RF impedance analyzers