This circuit from the 90s has RIAA equalization with a gain of 35 dB at 1 kHz. The circuit has an input sensitivity of 2.2 mV for an output of 100 mV.
This circuit was found in a 73 magazine for radio amateurs of the 90s. The circuit uses two types...
Found in General Electric documentation from the 1970s, this circuit generates a staircase signal....
In this circuit, the current capacity doubles, but is still of the order of microamps. The...