If the photograph is clicked, it grows.

HP 5342A/001/010/ 18GHz Microwave Frequency Counter
SOLD OUT sold
fre060






Input 1;
Frequency Range:500MHz-18GHz,Sensitivity:-25dB(500MHz-12.4GHz),-20dB(12.4-18GHz),Impedance:50ohm,Connector:N(f),Damege Level:+25dBm,
Input 2;
Frequency Range:10Hz-520MHz(Direct Count),Sensitivity:10Hz-520MHz 25mVrms(50ohm),10Hz-25MHz 50mVrms(1Mohm),Impedance:Select 50 or 1Mohm,
Coupling:ac,Connecter:BNC(f),Maximum Input:3.5Vrms +24dBm (50ohm),200Vdc+-5.0Vrms81Mohm),
Hi-stability Timebase(OPT 001);
Aging Rate:<5E-10/day after 24hour warm-up,
GP-IB Interface (OPT 010),
J-Manual*2