October 2016 – Electronic Circuits

555 watchdog for uC and uP systems

October 23, 2016 delabs 0

When the microcontroller hangs due to a spike, EMI or RFI etc. the 7555 will reset the uC, if proper power supply design is done […]

PLL using 4046 – Phase Locked Loop

October 19, 2016 delabs 0

CD4046 is a PLL or phase lock loop, it mainly consists of a VCO and phase comparators. This is a component in FM demodulation and […]

Single Polarity Power Supply

October 13, 2016 delabs 0

This circuit uses a PNP Power Transistor TIP2955, you can use any other according to your current and voltage requirement. Look at R2 a 10 […]

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Electronic Circuits - Schematic Diagrams

Analog, Digital, Electrical and Power Electronic Designs

Month: October 2016

555 watchdog for uC and uP systems

PLL using 4046 – Phase Locked Loop

Single Polarity Power Supply