Tag Archive: Variable Capacitor

Jul 27

MM5369 60 Hz Time Base X’tal Oscillator

60 Hz Time Base X'tal Oscillator-schematic-diagram

Parts List Resistor : R1 ………………………………. 470 R2,R3 ………………………….. 3K3 R4 …………………… 16M (3x 5M6) Capacitor : C1 ……………………………… 33pF Variable Capacitor : VC1 ……………………………. 30pF Diode : D1 ………………………….. ZD 7,5V Integrated Circuit : IC1 ………………………… MM 5369 Other : X’tal ………………………. 3,579545  

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    

Jul 23

Transistor-Buffered LED Bar Display Indicator

Led Vu Display7-schematic-diagram

Parts List Resistor : R1 ……………………………………. 5 R2 …………………………………… 47 R3 ………………………………….. 330 R4,R8,R12,R16 …………………… 4K7 R20,R24 ……………………………. 4K7 R5,R9,R13,R17 …………………… 47K R21,R25 ……………………………. 47K R6,R10,R14 ………………………… 150 R18,R22,R26 ……………………….. 150 R7,R11,R15 …………………………. 5K6 R19,R23,R27 ……………………….. 5K6 Variable Resistor : VR1 ……………………………………… 1K Capacitor : C1,C2 ………………………………. 220uF Diode : D1,D2 ……………………………. 1N 4002 D3,—D10 …

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Jul 09

MM5369 Electronic Digital Clock

Electronic Digital Clock32-circuit

Parts List Resistor : R1,R2,R3,R11 …………………. 560 R4 ……………………………….. 470 R5 ………………………………. 3,3K R6 ……………………………….. 10M R7 ………………………………. 5,6M R8 …………………………………. 1M R9 ……………………………….. 5,6K R10 ……………………………… 100K R12 ……………………………….. 10K R13 …………………………………. 10 R14,R15 …………………………. 4,7K Capacitor : C1 ……………………………………. 220 C2 …………………………………… 33pF C3 …………………………………. 10KpF C4 …………………………………. 33KpF C5 …………………………………… 47uF VC …

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