Peak-program-detector


Posted on Oct 23, 2012

This circuit will allow a multimeter to display the positive or negative peaks of an incoming signal. A 741, JC1, is used in the noninverting mode with R1 defining the input impedance. D1 or D2 will conduct on a positive or negative peak, charging C2 until the inverting input is at the same de level as the incoming peak. This level will maintain the voltage until a higher peak is detected, then this will be stored by C2. Another 7 41, IC2, prevents loading by the multimeter.


Peak-program-detector
Click here to download the full size of the above Circuit.

Connected in the noninverting mode as a unity gain buffer, output impedance is less than 1 !l. This circuit has a useful frequency response from 10Hz to 100 kHz at ±1 dB. High linearity is ensured by placing the diodes in the feedback loop of JC1, effectively compensating for the 0.6 V bias that these components require.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

simple voltage doubler
10 Mhz universal counter
NiCd NiMH Battery Charger
making an rf car
dvd burner laser pointer proper way 18
preamp onboard
water level indicator with
Green Current Mode Pwm Controller Fan7601
Make-Yourself ATmega32 Starters Kit with LCD I2C SPI RTC ADC interfaces
1998 DeVille: front power windows work ok left front window switch
Temperature Sensor Circuit



Top