Voltage reference (CB8466E)

Found in a 90s General Electric documentation, this circuit has a drain current of just 1.5 uA. The load current is 200 uA.

Scale Expander for 12V Meter (CB21330E)
This circuit was found in a QST from the 1990s. The circuit expands the scale of a 10V instrument to...
50 W Amplifier (CB6301E)
This 8 ohm output amplifier was found in a 1968 Motorola publication. The circuit uses transistors...
Common Emitter Amplifier (CB14746E)
This general-purpose preamp configuration was found in the 1960 Mullard transistor reference...