Circuit Bench

Articles
Title
555 Two-Tone Siren (NI010E)
SCR Test Circuit (NI007E)
Ultrasonic Oscillator (NI008E)
Divide-by-5 Using the 4018 (NI005E)
Dual LED Flasher Using the 555 (NI006E)
Pre-amplifier Using the 741 (NI004E)
Transformerless Power Supply (NI003E)
Divide-by-10 Using the 4017 (NI001E)
Sine Oscillator (NI002E)
Simple Audio Amplifier (CB258E)
Continuity Tester (CB256E)
Gain-1000 Amplifier Using the 741 (CB257E)
Gain 10 Amplifier – 741 (CB254E)
Divide-by-5 7490 (CB255E)
1 kHz Astable Using the 4070 (CB252E)
Frequency Divide-by-10 TTL - Circuit Using the 7490 (CB253E)
Band-Pass 1 kHz Filter Using the 741 (CB250E)
PWM Motor Control (CB251E)
Current Limit (CIR035)
Twin-T Oscillator Using the 741 (CB249E)
Bass and Treble Control (CB246E)
Relay Driver (CB247E)
Mixer Preamplifier Using FET (CB244E)
Ceramic Filter Oscillator (CB245E)
1 KHz Band-Pass Filter (CB242E)
Emergency Light (CB243E)
Simple Siren (CB240E)
Voltage Quadruplier (CB241E)
Divide-by-8 TTL (CB238E)
Preamplifier Using a PNP Transistor (CB239E)

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