1tr preamp mic schematic using c828 R1 …… 10K R2 …… 220K R3 …… 5K6 R4 …… 560K VR …… 10K C1 …… 100nF C2 …… 47uF Q ……. C828
Posts tagged Portable Mic Pre-amp
2 tr preamp mic schematic
2 tr preamp mic schematic using C536, C458 R1,7 …… 2K2 R2 …….. 47K R3 …….. 270 R4 …….. 2M2 R5 …….. 180K R6 …….. 470K R8 …….. 15K R9 …….. 150K C1 …….. 22uF/16V C2 …….. 200nF C3 …….. 10uF/16V Q1 …….. C694 / C458 Q2 …….. C536 / C458 VR …….. 50K
Microphone Circuit with tone control
Microphone Circuit with tone control using TL072
40 – 0 – 40 5A transformer Circuit diagram
40 – 0 – 40 5A transformer Circuit diagram The power supply should be capable of supplying the maximum current required with good stabilization. I used commercially available 40 – 0 – 40 5A transformer. The transformer have 6V, 9V, 12V and 22V windings also. The transformer cost me around Rs: 370. Power supply provides […]
Making DIRECT PCB PLOTTING
This article is about another method I tried and had 100% success first time. The object is to modify an old plotter pen so that you can draw direct onto the PCB material itself. No photography, just a new pen. All you have to do is the use one of those Faber Castell S overhead […]
mixer audio circuit
mixer audio circuit 4 Chanel Audio Mixer circuit mixer audio circuit mixer audio circuit using TL084 74HC4052 LM31B 74HC000 74HC73-2 LM6361N 1N4148
Converter PDF circuit
Converter PDF Converter PDF circuit
