The lithium battery overcharge, overdischarge, overcurrent and short-circuit protection circuit diagram for a typical lithium ion battery protection circuit principle diagram. The protection circuit of two MOSFET (V1, V2) and a IC (N1) and some resistance capacitance elements. IC control is respons...
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This is a 500W DC-to-AC inverter circuit diagram which produces an AC output at line frequency and voltage. 12VDC to 220V 50Hz inverter circuit will power 220V or 110V appliances from 12V car battery. The circuit is easy to make and is low cost. Use proper transformer. The output (in w...
400W Stereo Audio Amplifier based on the original Marshall Leach involvement, but has made some improvements. Regarding the power supply voltage to the +-75V. VC comparing the performance of the modified Leach 700W/2R on one common board of both channels
This is DAC with integrated circuit PCM1794A. It is one of excellent audio DACs from Burr Brown (Texas Instruments). It has 24-bit resolution, 192kHz sample frequency, 8x oversampling digital filter, differential current output and SNR 127dB.
If the power LED doesn't come on, the most probable cause is a flat battery or the battery terminals not making contact. Also check the placement of the LED as it may be around the wrong way. Next check the current taken by the circuit, across the switch (with the switch in the OFF...
2. 12v/over 500mA DC power supply or 12v car battery. 3. Radio antenna with enough wire to reach antenna from place of transmission. To build the system: 1. Connect the antenna and the transmitter using the coaxial cable connector. Make sure the connection is right; if you use it witho...