Hi all,
So I upgraded my sons 4wd power wheels going from 4 x 380s to 4 x RS550s and a 12v 8 ah lipo battery. It runs although quite loud and not much quicker and the engine start sound happens every so often, so feel under peak load the weelye RX77 receiver is struggling. just thinking if I...
I am designing a GPS L1(PWR=-160dBW) band Direct RF sampling receiver and the front-end:
(passive antenna + LNA(21dB) + BGA1(30dB) + jumper + BPF(L1(fc=1575.42MHz,BW=15MHZ) + BGA2 (30dB) + BGA3(30dB) + VGA(-13.5 to +18 Gain Control in 0.5 dB Steps) ).
all amplifiers are supplied with a +5 V...
So I bought this cheap bluetooth receiver along side a class-d amplifier board in hopes of connecting the two together to make a portable bluetooth speaker. This chinese amplifier board uses 12-24V dc and has a power out connection which provides 5V dc (probably specifically designed for a...