AA 501A Distortion Analyzer Service Manual
Comprehensive instruction and service manual for the Tektronix AA 501A Distortion Analyzer with Options 01 and 02. This fully automatic distortion analyzer measures total harmonic distortion (THD) as standard functionality. Option 01 adds SMPTE/DIN intermodulation distortion and CCIF two-tone difference frequency distortion measurements. Option 02 enables noise measurements compliant with CCIR recommendation 468-2 and DIN 45405 standards. The instrument features automatic distortion set level, frequency tuning, and nulling requiring no operator adjustment. Functions include high sensitivity audio frequency voltmeter capabilities with readings in volts, dBm, or dB ratio. The manual covers complete operating instructions, theoretical operation principles, calibration procedures, performance checks, and maintenance guidelines. Technical specifications detail electrical characteristics, environmental conditions, and physical dimensions. Includes detailed troubleshooting aids, circuit board illustrations, and component replacement information for qualified service personnel.
