Schematic fet_11118.0 Ultra Voltage Oscillator Description T
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Schematic fet_11118.0
Ultra Voltage Oscillator
Description This circuit ultra supply voltage EPAD MOSFET oscillator operating less than this circuit U1A, form basic three-stage oscillator with feedback resistor capacitor network COSC oscillator operates frequency ranging from hertz kilohertz. output tapped buffered with output buffer stage. Power output stage supplied either different value, depending desired output high level. different voltage level, then output buffer also acts level shifter. Using threshold enhancement mode EPAD MOSFET such ALD110802 (quad with VGS(TH)= 0.20V), example this oscillator operates 0.16V supply voltage 33nW power, frequency Generally capacitor COSC Resistor determine oscillating frequency oscillator, given fOSC COSC). However, EPAD MOSFET operating partially entirely sub-threshold region MOSFET device. charging COSC limited R3+R4 discharging COSC limited current drive U1C. These factors tend decrease actual oscillating frequency significantly. remaining resistors determine help determine power dissipation well oscillating frequency. Recommended Components EPAD MOSFET: ALD110802; COSC: 1.76 MOhm; through 1.6MOhm 18MOhm Other Related Circuit Ideas
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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