[volt-nuts] Cropico ESC1 versus Tinsley 5646A
willvolts at gmail.com
Sat Dec 15 14:21:44 UTC 2012
The Tinsley 5646 was designed in the late 70s based on LM399 reference
IC. You can expect long term stability similar to a 34401A multimeter.
The right side circuit is normally off and switched on only for
calibrating the left side output which is continously powered. That
reduces the drift a little but introduces a hysteresis problem. No
2012/12/15, David C. Partridge <david.partridge at perdrix.co.uk>:
> Both offered by the same vendor who is selling the Guildline standard cell
> Both solid state voltage references. He's priced the Cropico Electronic
> Standard Cell higher than the Tinsley Voltage Standard.
> Does anyone have guidance as to their quality and relative merits?
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