Simple Coil-less AM receiver by LF356
This AM receiver is working perfectly without the need of coils or even a variable capacitor. The LF356 is the basic component. P1 and P2 are the frequency selectors. Use a small telescopic antenna. The stations selectivity is not perfect but is acceptable. This circuit can be very small and you can power the circuit with a 9 volt battery.
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Simple-Coil-less-AM-receiver-l6022.html
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Categories: RF-Radio Frequency Tags: AM radio receiver, AM receiver, LF356
Isolate Ground Amplifier by LF356
In sometimes we have to relay sound signal from the one circuit goes to again the one circuit. By the separation Ground depart may because , want the safety from the high voltage. From the one circuit flows to come Ground. This circuit solves a problem by live opto copper meet sound frequency the crazy low about 1% this circuit also electric low many current about 10mA only. Lead circuit this example goes to use such as apply to TV the past generation that have no transformer make extend a contract at the sound reaches power Amplifier outside can get into trouble. when use this circuit can separate power supply depart TV circuit get. For fining all detail please see in the circuit please yes.
Categories: Power Amplifier Tags: Isolate Ground, LF356
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