Schematic fet_11121.0 Ultra Voltage Crystal Oscillator Circuit us
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Schematic fet_11121.0
Ultra Voltage Crystal Oscillator Circuit using Active Loads
Description This ultra low-voltage crystal oscillator circuit using EPAD MOSFETs with active load output buffer. This circuit similar standard crystal oscillator circuit used circuits. However, operating voltages, values resistors impedance inverter MOSFET selected optimize oscillation stability minimize power consumption. active load device using depletion mode EPAD MOSFET such ALD114804 replaces passive resistor load inverter. Using appropriate component values, crystal oscillator circuit configured operate range supply voltages from 0.5V, with crystal frequencies ranging from MHz. active load reduces contrast corresponding power consumption different supply voltages. power consumed oscillator circuit whereas 0.5V, same circuit consumes mere while oscillating same selected crystal frequency. higher crystal frequencies excess MHz, dual EPAD MOSFET connected parallel provide more voltage drive current necessary. Recommended Components EPAD MOSFETs: ALD110800 (either single dual MOSFET connected parallel); Active Load: ALD114904 CL1=10pF; 22pF; 5.6MOhm; Ohm; ROUT 2.4KOhm Other Related Circuit Ideas
Schematic fet_11120.0 Ultra Voltage Micropower Crystal Oscillator Circuit
2005 Advanced Linear Devices, Inc. Information furnished Advanced Linear Devices, Inc. (ALD) believed accurate reliable. However, assumes responsibility such information infringement patent rights third parties that result from use. license granted implication otherwise under patent rights ALD. www.aldinc.com
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