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High-speed laser diode driver – Circuit Schematic
High-speed laser diode driver
A faster driver can supply higher peak gate current to switch the VN64GA very quicklyThe circuit uses a VMOS totempole stage to drive the high power switch...
FAN5009 MOSFET Driver Typical Application Circuit and Datasheet – Circuit Schematic
FAN5009 MOSFET Driver Typical Application Circuit and Datasheet
The herein schematic shows FAN5009 dual bootstrapped 12V high frequency MOSFET driver typical application circuit. It can be formed a complete core voltage regu...
Camera Switch Circuit using 4017 – Circuit Schematic
Camera Switch Circuit using 4017
Here is camera switch circuit. This circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When opera...
Alternating Relay Switch – Circuit Schematic
Alternating Relay Switch
Our reader Andrea (andrea[dot]perugia[-at-]gmail[dot] com) sent his circuit to us, and he creates the circuit for educational intent. The main purpose is to sho...
4-Channel Commutator – Circuit Schematic
4-Channel Commutator
To reach low channel ON resistance (...
Interfacing High Power Load to Logic Level with Optocoupler – Circuit Schematic
Interfacing High Power Load to Logic Level with Optocoupler
Interfacing high power load can be done in many ways, such as using voltage divider resistors, transformer, or optocoupler. In the circuit shown below, an optoc...
relay driver – Circuit Schematic
relay driver
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chopper circuit – Circuit Schematic
chopper circuit
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Triac circuit – Circuit Schematic
Triac circuit
A lot of my projects involve 120VAC, switching relatively slowly. Most people use mechanical relays in that situation, but I don`t like them; I try to avoid mov...
Triac phase regulator – Circuit Schematic
Triac phase regulator
This circuit, also informally known as the poor man`s variac, is used in many applications in both consumer and industrial electronics, where a perfectly sinuso...
relay circuits – Circuit Schematic
relay circuits
Remove the 6 mm screw holding on the lower rear fairing cover. This is the black plastic piece the spark plug protectors are attached to. Do not remove the lowe...
TL494 magic chip – Circuit Schematic
TL494 magic chip
Everything is working with simple passive mosfet drive. But if we increase switching frequency or place powerful mosfet (or even several mosfets) There is no lo...
Model F192A Non-Reflective Ultra-Broadband High-Speed SPST Switch – Circuit Schematic
Model F192A Non-Reflective Ultra-Broadband High-Speed SPST Switch
High speed 0.2 to 18 GHz frequency range 80 dB isolation Non-reflective Low VSWR and insertion loss Small size, light weight....
diy-solid-state-relay.html – Circuit Schematic
diy-solid-state-relay.html
Individual benefit of solid-state relay (SSR) above normal electro-magnetic relay (EMR) is its tear and wear emancipated surgical treatment. S201S01 from clear-...
low power switching regulator – Circuit Schematic
low power switching regulator
This circuit is a simple battery-powered switching regulator provides 5V out from a 9V source with 80% efficiency and 50-mA output capability. When Q1 is oon, i...
Soft Start For Switching Power Supply – Circuit Schematic
Soft Start For Switching Power Supply
Switching power supply whose output voltage is appreciably lower than its input voltage has an interesting property: the current drawn by it is smaller than its...
Low Cost Capacitive Touch Switch II circuit schematic with explanation – Circuit Schematic
Low Cost Capacitive Touch Switch II circuit schematic with explanation
In my previous post of capacitive touch switch, it gives the o/p as long as you touch it. Means it was only drive the load when you touch it, and when you remov...
Relay Selector Pushbutton circuit and explanation – Circuit Schematic
Relay Selector Pushbutton circuit and explanation
This circuit was designed for use in a hifi showroom, where a choice of speakers could be connected to a stereo amplifier for comparative purposes. It could be ...
Energy Saver Relay Coil circuit and explanation – Circuit Schematic
Energy Saver Relay Coil circuit and explanation
Some relays will become warm if they remain energized for some time. The circuit shown here will actuate the relay as before but then reduce the hold` current t...
MOSFET IRF510 Capacitor Discharge Ignition(CDI) Circuit and explanation – Circuit Schematic
MOSFET IRF510 Capacitor Discharge Ignition(CDI) Circuit and explanation
A 2uF capacitor is charged to regarding 340 volts and also the discharge is controlled by an SCR. A Schmitt trigger oscillator (74C14) and MOSFET (IRF510) are u...