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Home Page Schematic Circuits 1Kw Rms Mosfet Amplifier 80 Watt IC Audio Amplifier 12 Volt 4 Channel X 55W Amplificator RF Transmitter & Receiver Module Controlling Bipolar Stepper Motors with the PIC16F84 10 Watt Audio Amplifier STA505 2X50 Watt Audio Amplifier 100 Watt Car amplifier 12 V to 9 V Car Converter 100 Watt Power Amplifier 380 watt Amplifier 250 watt Amplifier 25 watt Amplifier 22 watt Amplifier 18 Watt Audio Amplifier Audio Stereo Channel Selector 360 Watt Amplifier 30 Watt Amplifier Audio level meter (vumeter) 3V Tube amplifier 6 Input Mixer Schematic 90-120 second voice recorder 15W Tube amplifier Control electrical appliances using PC 5Volt From RS232 Fm Transmitter Digital voltmeter Frequency Meter IR remote control tester transistor test transistor test Zener Test 555 Tester Diode - LED Tester 555 Logic Probe 5 band graphic equalizer using a single IC/chip Use the CD-ROM drive as a audio CD player without the computer Stereo Channel Selector Car anti theft wireless alarm Computer Microphone TDA2030 8 Watt Amplifier Hi-Fi Preamplifier Tone Control Circuit Audio Line Driver Doorphone Intercom Low Voltage Preamplifier Electronic Canary Enhanced 4 Digit Alarm Keypad DC- DC Converter Transformerless Power Supply A simple 9 Volt 2 Amp Power supply Dual Regulated Power Supply ECM Mic Preamplifier Tone Control Circuit Audio Line Driver Audio Notch Meter 6 Input Mixer circuit Peak Reading Audio Level Meter lm380 Audio Voice-Over Circuit Lm1877N Quadraphonic Amplifier Class-A//AB Amplifier Op-Amp Microphone Preamp LM317 Power Supply Mini FM transmitter Phono Preamplifier TDA2003 6 watt amplifier TDA2005 2x 7 watt amplifier TDA2007 2x 6 watt amplifier TDA 2040 25 watt amplifier TDA 2030 15watt amplifier TDA 2009 2X 11 watt amplifier TDA2052 50 Watt Amplifier TDA1514A 60 Watt Amplifier LM3886 60 Watt Amplifier
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