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
TV Circuit
TV Circuit with audio wireless FM This simple circuit using BF494 . Where audio receiver? he he …………………….. yes fm radio on your cell phone. Then wear head phones while seeing adult film let steady. Part: R1 100 kΩ C1 4,7 nF Q1 BF494 R2 33 kΩ C2 Trimmer R3 22 kΩ C3 47 […]
TV transmitter VHF Bands I, II, or band III
This TV transmitter will handle frequencies up to about 250MHz, so it will work perfectly if you have on your telly. In principle, the transmitter should work up to 500MHz or more, using the BF959 bipolar transistor. You should be able to generate a signal on UHF channel 21, but I have not (yet) tried […]
8 channel LED driver circuit using ISL97678
8 channel LED driver circuit using ISL97678
Audio amplifier AN7135 7w
Audio amplifier AN7135 7w Electronic circuit diagram audio amplifier AN7135 7w