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Posts tagged RF circuits

Transceiver Module

Audio video TV, Transceiver module circuit diagram using IC Aurel TX AV UHF and LM741 Part: R1 1 kΩ                   C1 10 µF 16V      D1 1N4007 R2 3.3 kΩ               C2 220 µF 16V     D2 1N4007 R3 1 kΩ                   C3 100 nF U1 Aurel TX AV UHF R4 22 kΩ C4 10 µF 16V […]

TDA1521A stereo audio amplifier circuit

TDA1521A stereo audio amplifier circuit TDA1521A stereo audio amplifier circuit which will deliver 15W audio power output on each channel. TDA1521A stereo audio amplifier circuit is a dual hi-fi audio power amplifier encapsulated.

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Best portable headphone amp circuit

Best portable headphone amp circuit using LM833 or NE5532 High impedance headphones using : P1          22K R1         560R R2,R3 10K R4        12K R5,R6 2R2 R7        22R C1                   1µF 63V C2,C3,C4     100µF 25V C5                  22pF 63V C6                  22µF 25V IC1                LM833 or NE5532 Q1,Q3           BC337 Q2,Q4           BC327 Power supply parts: R8                                  2K2 C7,C8                            2200µF 25V D1                                   […]

Circuit diagram keytop and display for electronic devices

Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.

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