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Posts tagged audio amplifier circuit

15W Audio Amplifier Circuit

Audio Amplifier Circuit 15 Watts Class B Images for 15W Audio Amplifier Circuit 15W audio Amplifier (using 3 transistors) Small class b audio amplifier circuit diagram 15W Stereo Class-D Audio Power Amplifier Can Run From +15 V LCD Backlight Supply speakers in a single-ended configuration or a mono. 15W Audio Amplifier Circuit using TR TIP31, […]

Circuit Diagram CB fm 27mhz Receiver Diagram

Circuit Diagram CB fm 27mhz Receiver Diagram 27MHz FM-CB receiver built with TCA440 for listening CB transmissions with FM. The selection is made with ceramic filters. This 27 MHz receiver works with an intermediary frequency of 455 kHz.

Relay Driver circuit using CD4024B

Relay Driver circuit using CD4024B, CD4068B, CD4028, BC148, SL100


SWITCHING CONTROL CIRCUIT using Relay, 4093B, 40138, 1N4004, BC337

Make Wireless portable with CA3140,4069,4098

Parts: R1,R2,R19_______1K 1/4W R3-R6,R13,R17_100K 1/4W R7,R15__________1M 1/4W R8_____________50K 1/2W R9____________470R 1/4W R10___________470K 1/4W R11___________100K 1/2W R12___________220K 1/4W R14,R16________68K 1/4W R18____________22K 1/4W R20___________150R 1/4W C1,C7_________100µF 25V C2,C3_________330nF 63V C4-C6___________4µ7 25V D1,D5______Red LEDs D2,D3________1N4148 75V D4________BZX79C7V5 7.5V 500mW IC1__________CA3140 or TL061 IC2____________4069 IC3____________4098 or 4528 Q1,Q2_________BC238 25V 100mA NPN L1_____________10mH miniature Inductor BZ1___________sounder (incorporating 3KHz oscillator)

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