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Posts tagged LA78041

Electronic Circuit Diagram TV Vertical Using LA78041, LA78040

Electronic Circuit Diagram TV Vertical Using LA78041, LA78040

Practical Application – Intercom Circuit

The simple switch shown so far can be used in simple audio applications. Here is a simple “all-master” intercom circuit that steers an audio amplifier towards one of several distant receivers. All units shown are identical and are connected to the same multipair cable. One battery powers all units. You press the button corresponding to […]

Audio Mixer circuit diagram Using FET 2N3819

Audio Mixer circuit diagram Using FET 2N3819 This simple circuit mixes two or more channels into one channel  stereo into mono. Parts R1, R3 10K Pot R2, R4 100K 1/4 W R5 6.8K 1/4 W C1, C2, C3 0.1uF Q1 2N3819 FET MISC Wire, Shielded (Metal) Case, telephone Or Other Plug For Output

RF preamp Circuits

RF preamp Circuits using CD4007. RF Preamp properly tune CD4007 Audio Preamplifier Circuits and Design Guidelines for Bipolar

Voltage Regulator circuit

3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055 3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055 IC ………….. uA723 TR1 …………. 2N3053 TR2 …………. 2N3055 TR3 …………. 2N3055 R1 ………….. 3,3K R2 ………….. 1k ohm R3 ………….. 1,2K ohm R4 ………….. 100 ohm R5-R6-R7-R8-R9 .. 1 ohm C1 ………….. […]

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