Precision Ramp Generator (CB10042E)

We found this circuit in a documentation from the 70s. Semiconductors are from the era and can be replaced by modern equivalents.

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Remote ear (CB20528E)
This remote listening device was found in documentation from the 50's. The transistors used are...
AD Converter for Current Monitor (CB5246E)
Found in a 2005 Linear Technology application manual, this circuit provides outputs from a current...
555 Pulse Generator (CB25505E)
Found in the September 1992 issue of Radio Electronics magazine. This circuit generates pulses that...