This article describes the Relay Toggle Switch (74HC04). The principle is very simple, very practical. The circuit components can help you understand b...
Switching regulatorsrapidly switch a series device on and off, it offers higher power conversion efficiency and design flexibility, that is why they ar...
The circuit provides unambiguous LED + or - bar readout with steps of 0.1%. The reference frequency is multiplied by the PLLIC1 and divider IC9 to outp...
Description This simple circuit will energize and de-energize a relay at the push of a button. Any type of momentary action push-to-make switch can be ...
This article briefly describes the Switchless NiCd-NiMH Battery Charger (LM317). This principle is easy to understand, but also very practical. Depth u...
Switching regulators are introduced in these pages is the kind of down and is one to get the output voltage lower than input voltage. As for regulators...
For checking resonances, tuned circuits, antennas, etc., this circuit covers the 2-to 20-MHz range. Ql serves a s an oscillator tunable over this range...
The LTC10432 switched-capacitor building block provides nonoverlapping complementary drive to the Ql to Q4 power MOSFETs. The MOSFETs are arranged so t...
This article describes the Petrol Gas Switch For A Pajero (LM324). The principle is very simple, very practical. The circuit components can help you un...
A basic circuit to trigger an SCR is shown in Fig. 67 -lA. This circuit has the disadvantage that the blocking voltage of the photon-coupler output dev...
This article describes the Remote On-Off Switch through Small Transformer (SC41B). The content is very simple, very helpful. Components in this article...
Transmitt/Receive Switch (T/R Switch) Circuitis appeared in the diagram below. Transmit / Receive Antenna Switches are commonly used to connect the tra...
This switch mode regulator circuit has higher current output than? our previous switch mode regulator, but it uses same controller IC. Up to 10A can be...
View Full Size Image View Original Datasheet The LTC6943 is a monolithic, charge-balanced, dual switched capacitor instrumentation building block. A pa...
The article describes the touch switch circuit. The circuit is very simple, very helpful. The circuit uses a 555 timer as a base for a touch switch. Wh...
Figure 1 The circuit illustrates the function of a switch that responds sensitively by means of a touching mechanism with the utilization of two CMOS w...
Analog switch (74HC4052) The 74HC4052 is a dual 4-channel analog multiplexer/demultiplexer with common select logic. Each multiplexer has four independ...
Circuit diagram Important Note: This circuit should only be used with the solenoid type chime doorbells, the electronic type that play tunes will not w...
The SCR coupler circuit provides higher sensitivity to input signals as illustrated. This allows the lower cost 4N39 (H11C3) to be used with the >7 mA ...
SI and S2 must be depressed within 200 ms of each other to activate Kl. The hold Lime is adjustable via K7. SI and S2 overlap time can be changed by ch...
This article describes the Radio Buttons Using Push On Switch Latching Circuit (U4083B). The content is very simple, very helpful. Components in this a...
Switch mode circuits can implement the lead acid battery charger with a more efficient. It can be constructed using bq24105 battery charger controller....
This article describes the Wireless On-Off Switch (CA3140). The principle is very simple, very practical. The circuit components can help you understan...
Description. In application level this circuit is similar to that of the circuit given previously. The only difference is in the approach. This circuit...
Description: This circuit will remove the transient spikes and contact bounces from a non-latching push button switch. Notes: Using a 555 timer as a mo...
Friends that seek 5V 10A power supply circuit small-sized and build easy. I begs for to advise this circuit. It is 10A switching regulator by use IC L4...
All regular voltage regulators (like 7805) have several disadvantages like output voltage is always lower than input and some power is dissipated in co...
Installing the camera in office, home, or the shop becomes economically feasible because the price of security camera going down. It is not efficient i...
This article describes the Computer Off Switch (BSS295). The principle is very simple, very practical. The circuit components can help you understand b...
This voltage regulator circuit operates in switch mode. Using the configuration shown in the schematic diagram, this circuit has variable switching fre...
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