A voltage-controlled duty-cycle oscillator

A voltage-controlled duty-cycle oscillator

A voltage-controlled duty-cycle oscillator (VCDCO) developed for use with integrated silicon sensors is described. The circuit's transfer function is, to first order, completely independent of component values. Measured results indicate that the circuit is capable of resolving input voltage cha...

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Veröffentlicht in:IEEE journal of solid-state circuits 1990-02, Vol.25 (1), p.274-281
Hauptverfasser: Spencer, R.R., Angell, J.B.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Design. Technologies. Operation analysis. Testing
Dynamic range
Electronics
Exact sciences and technology
Integrated circuit measurements
Integrated circuits
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Sensor phenomena and characterization
Silicon
Temperature distribution
Temperature sensors
Transducers
Transfer functions
Voltage
Voltage-controlled oscillators
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Beschreibung
Zusammenfassung:A voltage-controlled duty-cycle oscillator (VCDCO) developed for use with integrated silicon sensors is described. The circuit's transfer function is, to first order, completely independent of component values. Measured results indicate that the circuit is capable of resolving input voltage changes as small as 6 mu V in a 2000- mu s period and has a dynamic range of 72 dB over the full commercial temperature range while operating from a 3-V supply. A two-terminal temperature transducer built using the circuit is presented.< >
ISSN:0018-9200
1558-173X
DOI:10.1109/4.50314