WJ WATKINS-JOHNSON

AMPLIFIERS, ANTENNAS, [ AUTOMATIC DIGITAL ASSEMBLY TEST EQUIPMENT, BACKWARD-WAVE OSCILLATORS, CATHODE RAY TUBES, DEMULTIPLEXERS, ELECTRON BEAM SEMICONDUCTORS, ELECTRONIC OPTICAL DISPLAY UNITS, ] HYBRID CIRCUITS, RADIO FREQUENCY MIXERS, OSCILLATORS, [ ELECTRICAL POWER SPLITTERS, PRODUCTION AND LABORATORY FURNACES, ] RADIO FREQUENCY RECEIVERS, SIGNAL MONITORS, SWITCHES, [ TELEMETERING AMPLIFIERS, TELEMETERING RECEIVERS, TELEMETERING TRANSMITTERS, ] RADIO FREQUENCY TRANSMITTERS, [ TRAVELINGWAVE TUBES, X-RAY TUBES, ] YTTRIUM-IRON-GARNET CRYSTALS AND YTTRIUM-IRON-GARNET FILTERS