A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than refinement. A single sine-wave signal of about 1 kHz is normally ...

The new R&S SGS100A signal generator from Rohde & Schwarz covers the frequency range up to 12.75 GHz and has been optimized for use in automated test systems. The signal source is exceptionally ...

Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the ...