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More than Circuit EngineeringHigh-stable Constant-voltage Source
Ñõåìû >> Power Supply >> High-stable Constant-voltage SourceHigh-stable Constant-voltage Source
Temperature range: 18° Ñ - 50° Ñ.
Temperature Error is ± 0.001% / °Ñ.
Temperature Drift is less then ± 0.005 % per 24 hours.
Temperature hysteresis is low.
Pic. 1. Circuit of High-stable
Constant-voltage Source.
Pic. 2. Temperature
Characteristic of Constant-voltage Source.
For providing of high stability in a Circuit the method of heating up of Crystal is used.
.
The Transistor Q2 used for heating the Crystal.
The Transistor Q4 used as Temperature-sensitive Element.
D1 – Stabilizer Diode.
added 23.07.07 19:13:07 | 
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