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Articles
Title
4 MHz pulse train generator (CB9255E)
Harmonic generator (CB8989E)
Code practice oscillator (CB8984E)
90V x 10 A Amplifier (CB8951E)
10 W amplifier for servo (CB8949E)
12V x 700mA Regulator (CB8807E)
Light transmitter (CB8786E)
Voltage regulator with operational amplifier (CB8776E)
SCR surge protector (CB8711E)
Siren 7400 (CB8654E)
Precision current source (CB9666E)
International oscillator (CB9646E)
TTL to CMOS Converter (CB9615E)
Battery charger for Nicad (CB9536E)
Capacitive Differential Meter (CB9493E)
Temperature controller using SCR (CB9472E)
Line pulse extractor (CB9416E)
Scanner squelch (CB9424E)
Vidicon amplifier (CB9411E)
Alternating tone siren 555 (CB9202E)
Solid state relay (CB9164E)
Wheatstone Bridge (CB9138E)
Wow Wow Effect for Guitar (CB9092E)
TTL Siren (CB9080E)
Common emitter amplifier stage (CB9061E)
Signal conditioner (CB8958E)
High gain preamplifier for microphone (CB8936E)
Solid state relay (CB8861E)
40 meters band CW transmitter (CB8730E)
PLL AM receiver (CB8633E)

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    We found this circuit in a publication of 1990. With the changes it can be mounted easily today....

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      This simple photometer was found in a 1977 Radio Shack manual. The sensor is a photocell, which can...

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    This circuit is used to test a triac and also to teach how it works. The load is an incandescent...

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