Radio Servicing Equipment |
Common terms and phrases
adaptor adjusted amplifier anode circuit anode current applied arrangement attenuator base battery bias bridge calibration capacity carried cathode cause chapter checked circuit coil compared components condenser connected current flowing curve cycles deflecting desired difference direction effect electrode employed equipment example fault frequency give given grid harmonics impedance indicator input kc/s leads limit load magnet mains marked maximum means measurements meter method modulation moving necessary needle negative normal obtained ohms operation output pass plates position potential practical prevent radio range reading receiver rectifier resistance scale screen seen sensitivity Service Oscillator short shown in Fig shows shunt side signal similar simple sockets stage suitable supply switch taken terminals trace transformer tube tuning valve tester valve voltmeter variable various varying voltage volts waveform winding wire zero