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HP 211B Square Wave Generator

by anachrocomputer

Cleanup and repair of the HP 211B Square Wave Generator. Built in 1969.

29 photos · 28 views
HP 211B Power Supply Regulator Section
HP 211B Power Test Points
HP 211B Calibration Capacitor
HP 211B Calibration Adjustments
HP 211B Power Supply Adjustments
HP 211B Rear of Front Panel
HP 211B Power Supply Section
HP 211B Power Supply Rectifiers, Smoothing Capacitors and Regulator Transistors
HP 211B Rear of Output Attenuators
HP 211B Series-Pass Transistors
HP 211B Power Supply Section of PCB
HP 211B Output Driver Transistors
HP 211B Range Switch
HP 211B Amplitude Control
HP 211B Frequency Control
HP 211B Front Panel
HP 211B Square Wave Generator
HP 211B Fault
HP 211B Knobs
HP 211B Dial
Defective 8.2kΩ Resistor
Defective 8.2kΩ Resistor
Replacement 8.2kΩ Resistor
HP 211B Logo and Label