Remote Control Decimal Decoder (CB24833E)

To work with the above circuits, this decoder provides an output of 10. The circuit is from an August 1984 Radio Electronics. See the above circuits.

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General Purpose Meter (CB23574E)
Measuring capacitances and resistance this simple instrument was found in Radio Electronics...
Current Source with the LM143 (CB14270E)
The LM143 integrated circuit is a high voltage operational amplifier from National Semiconductor that is...
Hexadecimal display circuit (CB24921E)
We found this circuit in the November 1985 issue of Radio Electronics magazine. It uses TTL...