AUDIO SIGNAL MEASUREMENT DIGITAL MILLIVOLTS METER CIRCUIT PIC16F88

Millivolts meter circuit PIC16F88 based on 2 × 16 LCD display there mV, DBV, dBm signal levels can show audio signal input section ad623 and ad8307 used 12-15volt DC adapter operated on supply input LM317 regulated with built pic… Electronics Projects, Audio Signal Measurement Digital Millivolts Meter Circuit PIC16F88 “microchip projects, microcontroller projects, pic16f88 projects,

AUDIO SIGNAL MEASUREMENT DIGITAL MILLIVOLTS METER CIRCUIT PIC16F88

Millivolts meter circuit PIC16F88 based on 2 × 16 LCD display there mV, DBV, dBm signal levels can show audio signal input section ad623 and ad8307 used 12-15volt DC adapter operated on supply input LM317 regulated with built pic software assembly prepared by the asm hex placement There are plans pcb files

Input Impedance: 100kω (up to 600Ω balanced input) changed Frequency Measuring Range: 5Hz to 100kHz below, so above Maximum Signal Input Level: 1.4V RMS (DBV 3.0, 5.2 dbm/600ω)

At least Signal Input Level: 160μv RMS (-76dbv, -73.8dbm/600ω) Measuring Linearity: ± 0.3dB about Measurement Accuracy: ± 3% to about Power requirements: 12-15V DC <200 mA with LCD

PIC16F88 MILLIVOLTS METER PROJECT

PIC16F88 MILLIVOLTS METER PROJECT

Versatile display of signal level in mV, dBv & dbm Want to measure small signals at audio frequencies Here is a low-cost digital audio millivoltmeter, which allows you to audio signals for the measurement of below 5 Hz to 100 kHz. Besides the indication of the height in millivolts and dBV, it also shows the corresponding level dBm into 600 ohms.

Source: http://www.siliconchip.com.au/cms/A_111191/article.html

Audio Signal Measurement Digital Millivolts Meter Circuit PIC16F88 schematic pcb an soruce code files alternative link

FILE DOWNLOAD LINK LIST (in TXT format): LINKS-7000.zip

Source: AUDIO SIGNAL MEASUREMENT DIGITAL MILLIVOLTS METER CIRCUIT PIC16F88

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