Circuit Bench

Articles
Title
Divide-by-8 TTL (CB238E)
Preamplifier Using a PNP Transistor (CB239E)
Simple Electronic Thermometer (CB235E)
Simple NiCad Charger (CB237E)
0.5 W Transistor Audio Amplifier (CB233E)
AM Booster (CB234E)
Water Detector (CB231)
Simple Amplifier Stage (CB232E)
Transistor Touch-Switch (CB228E)
Neon Lamp Timer (CB229E)
1 MHz XTAL Oscillator (CB226E)
Divide-by-6 TTL por 6 (7490) (CB227)
Modulation Using na UJT (CB224E)
Divide-by-7 TTL (CB225E)
CMOS Touch Switch (CB222E)
Touch Switch Using the 741 (CB223)
Schmitt Trigger (CB221E)
Polarity Indicator (CB219E)
555 Audio Oscillator (CB220E)
Photo-Oscillator (CB217E)
Transistor Amplifier (CB218E)
Audio Output Stage (CB260E)
Sensitive Photo-Relay (CB259E)
1 kHz Oscillator (CB215E)
Power Zener (CB216E)
Digital Mixer (CB212E)
Audio Selector (CB213E)
Sequencer (CB210E)
Cascading the 4017 (CB211)
Frequency Divider Using the 4017 (CB209E)

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