Archive for April, 2008
VMOS 144 MHz Push Pull DV28120T amplifier
This is a 2 meters 144 Mhz rf amplifier wich works in push pull and is build with DV28120T Vmos.
You can use coils made form RG142 coaxial cable or similar, 620mm long , 5mm diameter, 6 turns with inside diameter 30mm no gaps between.
Stereo car audio amplifier TDA1557Q TDA1553Q
This stereo amplifier is for car purpouse and can deliver up to 2 x 22W using a single TDA1557Q or TDA1553Q from Philips.
TDA1557Q TDA1553Q datasheet
Car stereo audio amplifier 2×30W TDA7394
This car audio stereo amplifier can deliver up to 30W on each speaker and it is build with TDA7394 from Philips
TDA7394 datasheet
