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Circuits Designed by Dave Johnson, P.E. |
Pulse Period to Voltage ConverterThis is a test circuit converts a square wave input signal into a voltage. But, the voltage produced is proportional to the time between edges (period) of the signal, not the frequency. The range is from 100uS to to 10mS, which produces a voltage from 100mV to 10 volts. Other scale factors are also possible. . . Circuit by David Johnson P.E.-June, 2000
Signal Period to Voltage ConverterThis is a test circuit converts a square wave input signal into a voltage. But, the voltage produced is proportional to the time between edges (period) of the signal, not the frequency. The range is from 100uS to to 10mS, which produces a voltage from 100mV to 10 volts. Other scale factors are also possible . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000 |
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Links to electronic circuits, electronic schematics and designs for engineers, hobbyists, students & inventors:
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555 makes handy voltage-to-time converter - 02/01/01 EDN-Design Ideas The circuit in Figure 1 is a simple, low-cost voltage-to-time converter using ubiquitous 555 timer chip. You can use IC's monostable multivibrator as a voltage-to-time converter by connecting analog-voltage input to charging resistor, R, instead of connecting R to VCC. With this modification,__ Circuit Design by J Jayapandian, IGCAR, Tamil Nadu, India
Circuit converts pulse width to voltage - 10/25/01 EDN-Design Ideas The circuit in Figure 1 converts pulse information to a clean dc voltage by the end of a single incoming pulse. In another technique, an RC filter can convert a PWM signal to an averaged dc voltage, but this method is slow in responding. Converting low-duty-cycle pulse information is slower yet__ Circuit Design by James Mahoney, Linear Technology Corp, Milpitas, CA
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Converter Ignores Power-Supply Variation - 01/05/95 EDN-Design Ideas The simple period-to-frequency converter in Fig 1 uses a dual-slope ADC (IC2) to drive a 3.5-digit display. One medical application uses the circuit to convert the time interval between two heartbeats to a rate of number per minute. __ Circuit Design by Samuel Kerem, Infrared Fiber Systems Inc, Silver Spring, MD
Converts a Square Wave input signal into a Voltage - This is a test circuit converts a square wave input signal into a voltage. But, the voltage produced is proportional to the time between edges (period) of the signal, not the frequency. The range is from 100uS to to 10mS, which produces a voltage from 100mV to 10 volts. Other scale factors are also possible . . . Hobby Circuit designed by David A. Johnson P.E.-June, 2000
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Pulse Period to Voltage Converter - This is a test circuit converts a square wave input signal into a voltage. But, the voltage produced is proportional to the time between edges (period) of the signal, not the frequency. The range is from 100uS to to 10mS, which produces a voltage from 100mV to 10 volts. Other scale factors are also possible. . . Circuit by David Johnson P.E.-June, 2000
Signal Period to Voltage Converter - This is a test circuit converts a square wave input signal into a voltage. But, the voltage produced is proportional to the time between edges (period) of the signal, not the frequency. The range is from 100uS to to 10mS, which produces a voltage from 100mV to 10 volts. Other scale factors are also possible . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000
Voltage-to-period converter improves speed, cost & linearity of A-D conversion - 09/02/13 EDN-Design Ideas Turning a VFC on its head improves many parameters__ Circuit Design by Jordan Dimitrov |
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Period to Voltage Converter
Circuits |
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