KA PT-146 1K 1% 3500 ppm temperature compensation resistor
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Precision Resistor PT146-35 1K 1% 3500 ppm temperature compensation resistor

The Precision Resistor type PT146 1K 1% 3500 ppm temperature compensation resistor is often used in analog musical synthesizers, pro-audio VCA circuits and industrial measurement equipment to compensate a log amplifier's kT/q (temperature) error.

PT146 Application Links

 Analog Devices Analog Dialog- About Log Compensation Resistors 
National AN-30 Log Converters 
National AN-311 Theory and Application of Logarithmic Amplifiers
Pease EDN What's All This Logarithmic Stuff, Anyhow?
THAT DN-128 What is a PTAT Temp Coefficient?

2K PT-146 Resistors are available from Music From Outer Space

PT-146-35 Resistor

    1-9   $6.25 each

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Does not include shipping or sales tax. Prices are in US dollars.

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For technical information on the PT146, visit Precision Resistor's website

 (c) 2007 Wayne Kirkwood