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Voltage Reference Circuits

1.2 Volt Reference:  National Semiconductor Application Notes,04-Nov-1995 /
Circuit Measures Small Currents Referenced To High-Voltage Rails:  01/07/02 Electronic Design - Ideas for Design /  Designs that need to measure small signals riding on high-voltage power rails suggest the use of isolation devices. However, a high-common-mode-voltage instrumentation amplifier used with a rail-to-rail input and output amplifier can recover the. . .
IC Voltage Reference has 1 Ppm Per Degree Drift:  National Semiconductor Application Notes,04-Nov-1995
Linear Brief 41 Precision Reference Uses Only Ten Microamperes:  National Semiconductor Application Notes,02-Mar-1999
:  National Semiconductor Application Notes,04-Nov-1995 /
:  11/07/96 EDN-Design Ideas
Supply circuitry selects main or backup voltage and disconnects load:  07/21/97 Electronic Design - Ideas for Design /  A complete portable-equipment power supply, suitable for systems that can be plugged into a docking station, is presented in this circuit idea. When the main supply is removed or falls out of regulation, selector circuitry automatically switches the. . .
Supply delivers pin programmable multiple references:  05/01/03  EDN-Design Ideas / In the circuit of Figure 1, the REF01, IC1, is a buried-zener-diode-based, precision 10V reference that features minimal noise and drift over temperature. The circuit provides not only the 10V output of the REF01, but also a 5V output that a REF02 reference would deliver. In addition, the circuit provides 5 V 10V, and an unbalanced dual reference, the sum of whose voltages is precisely 10V...
Voltage Reference improves JFET:  10/26/00 EDN-Design Ideas /  PDF contains multiple circuits - scroll to find this circuit The common JFET current-source in Figure 1a has average output impedance and depends heavily on the JFET's V P and I DSS variations. These manufacturing variations limit the initial accuracy of the current setpoint that the circuit can obtain with a...

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