Category Archive: Radio

Jul 27

88-108 MHz FM Wireless Microphone

FM Wireless Microphone-schematic-diagram

Parts List Resistor : R1 ……………………………….. 33K R2 ……………………………….. 150 R3 ……………………………….. 47K R4 ……………………………….. 180 Capacitor : C1 ……………………………….. 1uF C2,C6 ………………………… 2KpF C3 …………………………….. 1KpF C4,C5 ………………………… 10pF Transistor : TR1,TR2 ………………….. C 838 Other : Condenser Mic  

Jul 27

Amplitude Modulation (AM) Medium Wave (MW) Radio Receiver

Radio MW-schematic-diagram

Parts List Resistor : R1 …………………………….. 100K R2,R3 ……………………………1K5 R4 ………………………………. 470 R5 ………………………………… 10 Variable Resistor : VR1 ……………………………. A 5K Capacitor : C1 ……………………………. 0,01uF C2 ……………………………… 0,1uF C3 ………………………………… 1uF C4 ……………………………. 0,02uF C5 ……………………………. 0,05uF C6,C7 ………………………… 220uF C8 ………………………………. 10uF Variable Capacitor : VC1 ………………………….. 500pF Diode : D1,D2 ……………………… …

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Jul 27

Direct Diode Detector Radio Receiver

Diode Detector Radio Receiver-schematic-diagram

Parts List Capacitor : C1 …………………………. 33pF C2 ………………………… 200pF Variable Capacitor : VC ………………………… 200pF Diode : D1,D2 …………………….. 1N 60