Perforated tape reader (CB7417E)

Found in General Electric documentation from the 1980s, this high speed perforated tape reader circuit has a maximum speed of 2000 bits per second.

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Full wave dimmer (CB7208E)
Found in Motorola's 1965 manual, this full-wave dimmer controls a load that depends on the used...
Linear Summing and Differentiating Circuits (CB20147E)
The two adding and differentiating circuits with operational amplifiers given below were obtained from...
Digital Windshield Wiper Timer (CB24567E)
This sophisticated circuit was found in the November 1978 issue of Radio Electronics magazine. Based on...