Free electronic circuit design and schematic diagram
This is a RK series power line filters video. This video provide information about RK series power line filters like insertion loss information. The information about insertion loss include minimum insertion loss and maximum insertion loss. RK series power line filters can be used in many application even in high noise environment. The application that uses RK series power line […]
Read more
Designing various electronic circuit system (synthesizer, modem, decoder, data converter, etc) of ten need a frequency modulator subsystem. An FM modulator is very easy to build with TC9400 since the it has very good linearity as V/F converter. Here is the system’s block diagram: While Vin determines the amount of modulation (FM deviation) around the center frequency, the potentiometer determines […]
Read moreBelow is video tutorial about electric cooling fan circuit. This circuit is consist of a fan motor, engine control module, ECT sensor, and an A/C fan control module. ECT sensor is used to sense the condition of the engine. If the engine getting hot, ECT sensor will give a signal to the engine control module to turn on the fan […]
Read more
Simple phase shift measurement can be done by squaring both the measured and the reference, then compute the difference of the two signals. The accuracy of the circuit shown in the schematic diagram below is 1% UP to 2000 cps. This circuit is used in computers and for high speed analog instrumentation. Negative value for zero phase shift is indicated […]
Read more
Combination 8 channel multiplexer and amplifier (IC1) is the heart of the remote multiplexer box in the single coax video system. The MUX baseband video output is coupled by C11 to the coax and the video is decoupled by L1 from dc power arriving on the same line. All circuitry in the multiplexer box is supplied by this power (about […]
Read moreThis is a video about driving high voltage piezo actuator. Piezo electric device can convert mechanical energy to electrical energy. When converting mechanical energy to electrical energy, this device acts as sensor. Beside that, this device can also convert electrical energy to mechanical energy. When converting electrical energy to mechanical energy, This device acts as actuator. This actuator need 400V […]
Read more
The meaning of Frequency Shift Keying (FSK) is transmitting digital data over a signal path (two wires, telephone lines, AM or FM transmitter). Typically, there are only two signals transmitted. One corresponds to a logical “1”. the other to a logical “1”. These two frequency will be generated by a TC9400 V/F converter when connected as shown below. The V/F […]
Read more