Roman numeral display (CB22160E)

This circuit shows numbers I II and III when mounted on its side, depending on the position of the selector switch.

ICL8038 Function Generator (CB25967E)
This circuit generates signals of various frequencies and waveforms, making it useful on the...
High Impedance Differential Amplifier LM148 (CIR2854E)
Other operational amplifiers can be used in this circuit obtained from the manufacturer's own...
Automotive BTL 24W Amplifier TDA1515A (CB15372E)
This amplifier is from the 1990 Philips Databook. The integrated circuit must have a heatsink and...