Audio Amplifier + TONE CONTROL Circuit using NE5532, LM1875T / TDA2050
Posts tagged LM1875T
Remote Control Transmitter circuit
Infrared Remote Control Transmitter circuit using LC7461M IC Infrared Remote Control Transmitter IC using LC7461M Functions 32 3 functions keys 13-bit custom codes Operating supply voltage range Vdd=1.8 to 3.6V Supply current at the standby mode Idd=1uA or less Double-press operation keys (no priority given) On-chip oscillator (ceramic resonator : connected externally) Features The custom […]
2 channel loudspeaker protection
Simple 2 channel loudspeaker protection and Muting Circuit using BC549
Calibration Protocol display of the monitor
Calibration Protocol the display of the monitor will instruct the user on when to apply zero and span gas. The system will automatically adjust its internal settings to the proper calibration values without further intervention by the user. Upon completion of a successful calibration, the system will exit the calibration mode. Date stamp of last […]
PC Serial Port Circuit
PC Serial Port Circuit PC serial port circuit to RS-232 pin out and cable
