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Posts tagged 2SA1815

TV circuits

TV circuit modules Nixie tube driver circuit using 2SA1015, C2482, 2SA1815 Television circuit Color TV Basic Schematic Diagram using TMPA8873KPANG6HV9, 78040, TDA2003, TC4063   Television circuit Television circuit – Color TV Basic Schematic Diagram using TMPA8873KPANG6HV9, 78040, TDA2003, TC4063

Low impedance microphone amplifier is the best

The circuit is a microphone amplifier for use with low impedance (~200 ohm) microphones. It will work with stabilized voltages between 9-30VDC. If you don’t build the impedance adapter part with T1, you get a micamp for higher impedance microphones. In this case, you should directly connect the signal to C7.

Pre-amp or Amplifier Project to Filter out any HUM at AUDIO CAR – mp3 – home studio

This page three adjustable notch filters configurations are shown . They can be used in your small pre-amp or amplifier project to filter out any HUM at 50 Hz ( European ) or 60Hz . By substituting the capacitors values in the bridge other frequencies can be used . All op-amps configuration requires a +/- […]

Circuit of 2m Linear Amplifier 144MHz 45W

Circuit of 2m Linear Amplifier 144MHz 45W using SC-1022

Aiphone intercom systems – 60W Intercom circuit Using Transformer

Aiphone intercom systems – 60W Intercom circuit Using Transformer Parts R1 ………………………… 5K6 R2,5,9 …………………….. 100 R3 ………………………… 47K R4 ………………………… 470K R6 ………………………… 12K R7 ………………………… 68K R8 ………………………… 33 R10 ……………………….. 56 R11 ……………………….. 1K5 R12,13 …………………….. 1K R14,15 …………………….. 0,22/ 5W R16 ……………………….. 3K C1,4,5 …………………….. 104pF C2,3 ………………………. 47uF/16V C6 ………………………… […]

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