Now showing circuits 1-20 of 90. Sort by
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Hybrid Power Supply PUBLICHybrid Power Supply from very cheap components by febb | updated 6 days, 6 hours ago |
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Bidirectional current sensor PUBLICBidirectional current sensor by febb | updated December 05, 2018 |
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Simple Watch Crystal Oscillator PUBLICSimplest Watch Crystal Oscillator on 1 transistor by febb | updated November 24, 2018 |
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Clock LED Backup PUBLICNiMH battery backup for LEDs and wall clock by febb | updated May 19, 2018 |
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AC current indicator PUBLICby febb | updated May 06, 2018 |
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Very Simple Crystal Oscillator PUBLICby febb | updated April 11, 2018 |
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Heater Fan 1 control V2 PUBLICAdded uController to control FAN heater by febb | updated April 11, 2018 |
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Minimal UC3845 Power Supply PUBLICTry to design minimum components UC3845 switch mode power supply by febb | updated February 03, 2018 |
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IR2153 regulated power supply PUBLICFrequency controlled IR2153 oscillator allows to build very effective half-bridge regulated switch mode power supply. by febb | updated December 08, 2017 |
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Voltage control with hysteresis PUBLICSimple control loop for IR2153 based switch mode power supply. Hysteresis is needed to turn completely ON and OFF IC oscillator. I could not find better way. by febb | updated December 04, 2017 |
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Nixie tubes voltage supply PUBLICSimple Nixie tubes about 170V power supply by febb | updated October 17, 2017 |
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UC3843 SEPIC converter PUBLICSimple DC-DC converter SEPIC topology by febb | updated August 26, 2017 |
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34063 Car Charger improvement PUBLICAdding simple diode D2 in switch collector circuit helps to reduce by 50% chip power dissipation and to increase substantially output current. by febb | updated August 26, 2017 |
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UC3843 stepdown with transformer PUBLICby febb | updated August 25, 2017 |
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34063 stepdown drives BJT NPN PUBLICby febb | updated August 16, 2017 |
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34063 DC-DC Stepdown drives N-MOSFET PUBLICLegacy MC34063 chip drives power N-MOSFET in DC-DC Step Down converter. Minimum components. by febb | updated August 15, 2017 |
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UC3843 stepdown drives BJT NPN PUBLICby febb | updated August 14, 2017 |
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UC3845 stepdown drives N-MOSFET PUBLICby febb | updated August 06, 2017 |
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34063 Stepdown test PUBLICby febb | updated August 05, 2017 |
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Flashlight Test1 PUBLICby febb | updated July 15, 2017 |