Lab Equipment Tek 465B 100-MHz scope HP 1744A 100-MHz storage scope HP 140T/8555A/8552A microwave spectrum analyzer HP 141T/8553B/8552B HF spectrum analyzer HP 3580A audio spectrum analyzer HP 8443A 110-MHz tracking generator/counter HP 8444A/059 1.5-GHz tracking generator HP 8640B/1/3 512-MHz signal generator HP 8640B/1/2/3 1024-MHz signal generator HP 8616A 1.8-4.5 GHz signal generator HP 3336C 21-MHz synthesizer/sweeper Sound Technology 1000A FM alignment generator Wavetek 148A 20-MHz AM/FM/PM generator Intercontinental Instruments PG-32 pulse generator General Radio 1390-B random noise generator Allison Labs 2ABR variable audio filter Marconi 2305 digital modulation meter Radio Specialty Mfg 1163 FM deviation meter Wavetek SAM I-450/UHF signal analysis meter HP 4342A Q-meter + 16462A aux cap + Q standards HP 5300B/5305A-001 1100-MHz frequency counter Homebrew 250-MHz frequency counter Harris/PRD 2020 2.4-GHz vector voltmeter HP 3456A 6.5-digit voltmeter Cen-Tech P30756 digital multimeter Ballantine 323-20 MOD 40 true RMS voltmeter Boonton 72A capacitance meter Krista 308-230 digital capacitance meter HP 461A 150-MHz 20/40-dB amplifier Tek P6201 900-MHz FET probes Tek P6202A 500-MHz FET probes Tek 1101A probe power supply HP 6205B dual power supply HP 6220B power supply Tek 067-0681-01 tunnel diode pulse calibrator Anzac THV-50 2-200 MHz power divider TRM DL 207 20-1000 MHz power divider KAY 1-GHz step attenuator JFW 200-watt 30-dB attenuator Weinschel 1-GHz 10-dB variable attenuator Narda 46B2 precision variable IF attenuator Archer 20-dB 75-ohm variable RF attenuator Homebrew 5.7-dB 50:75-ohm minimum-loss pad Homebrew 0.05-dB 50:75-ohm 88-108 MHz L-network Homebrew 0.05-dB 50:75-ohm 88-108 MHz twelfth-wave transformer Hickok 546 tube tester Hickok 6000 tube tester Lucci transistor checker Ohmic Instruments RLI-300C leakage/insulation tester Herald 5-amp variable autotransformer Triad 85-VA isolation transformer Toei Henseki TC-10 1-kVA 115V-to-100V stepdown transformer Toei Henseki TC-6 600-VA 115V-to-100V stepdown transformer