Precision Diode AC-DC converter
PARTS AND MATERIALS
PARTS AND MATERIALS
- Qty 2 B1, B2 9V Batteries
- Qty 2 Battery Clips (BG Micro P/N BAT1098)
- Qty 1 U1,NJM1465 IC Fast Dual Op Amp (BG Micro P/N ICS 1015)
- Qty 2 SD1,SD2 IN5822 Schottky Diodes ( BG Micro P/N DIO1N6822)
- Qty 2 1 R1,R2 2Kohm 1/4W Resistors
- Qty 2 R2,R3 10Kohm 1/4 W Resistors
- Qty 1 R4 1Mohm 1/4 W Resistor
- Qty 1 C4 1.0 uF Cap 16 V or better
- Qty 3 C2,C3,C5 0.1 uF Capacitors
- Qty 1 C1 100uF Capacitor 35V or better
- Qty 1 Solderless breadboard (BG Micro P/N ACS1563)
Suggested Test Equipment- DVM (Digital Volt Meter) or VOM (Volt Ohm Meter)
- Oscilloscope
- Function/Signal Generator
CROSS-REFERENCES
LEARNING OBJECTIVES
SCHEMATIC DIAGRAM
ILLUSTRATION
Instructions
Occationally there is a need to measure frequencies higher than audio ( arbitrary number of 20KHz or greater). I wanted to measure a low level 100KHz signal. DVMs are designed to measure power and aircraft power signals. This means their frequency ranges tend to be (50/60Hz and 440 Hertz (aircraft power)). A wide band AC meter is also useful for measuring both active and passive filters. I selected this circuit from google and modified it trying to improve its performance.
Theory of Operation
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