Schematic osc_42009.0 (Colpitts) Oscillator operates 0.5V Single
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Schematic osc_42009.0
(Colpitts) Oscillator operates 0.5V Single Supply
Description This low-voltage (Colpitts) oscillator circuit using EPAD MOSFETs that operates single supply ranging from 0.5V dual EPAD MOSFET connected parallel provide more voltage drive current lower supply voltages. Oscillator Circuit Performance Data: V+=0.5V, 25µA, PD=12.5µW, Crystal frequency MHz. V+=5.0V, 250µA, PD=1250µW, Crystal frequency MHz. output buffer powered with pull resistor ROUT, which selected optimize output voltage swing levels well providing adequate output drive currents. output voltage level that equal higher than lower than depending desired output voltage swing levels. Rout must selected selected same time minimize current drain. Output Buffer performance Data: 0.5V, 62µA, 31µW, VOH=350mV, VOL=226mV. 5.0V, 69µA, 347µW, VOH=4.78V, VOL=1.47V Recommended Components EPAD MOSFETs: ALD110800 (dual MOSFET connected parallel); ALD114904 CL1=10pF; 39pF; 1mH; 5.6MOhm; Ohm; 20KOhm; ROUT 2.4KOhm Other Related Circuit Ideas Schematic osc_42008.0 Nanopower (Colpitts) 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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