This article describes the Electronic Metronome Electrical Circuit Diagram (BAT43). The content is very simple, very helpful. Components in this articl...
The flashing electronic doorbell circuit is composed of the power supply circuit, audio input trigger circuit, multivibrator, and it is shown in Figure...
Used in determining energy required to fire 50% of devices being tested. Uses thyratron as pulse generator, transistor for pulse shaping, and power tra...
This circuit shows the external connections for an LM1823, which is a video IF amplifier that is designed to operate at intermediate carrier frequencie...
This circuit has nothing to do with heating speed, the water temperature can be limited in given value. The operational amplifier connectedas thederiva...
This simple temperature interface covers a range of 0 to 51°C. Dual balanced 12-V supplies were used to power the prototype, but dual 5-V supplies sho...
Uses single tetrode transistor in oscillator to feed four-diode balanced modulator. Peak level of modulator output is 4 db below 1 mw.-L. G. Schimpf, C...
This article briefly describes the Transcutaneous Electrical Nerve Stimulator (BC556). Although this circuit is very easy to understand, but also very ...
Six-transistor amplifier having high-impedance differential input for commercial eeg or emg electrodes and gain of 10,000 from 5 to 10,000 cps drives m...
This article is the use of computer-controlled electrical principle explanation. The principle is simple but effective. For your grasp this principle m...
An inductor is a coil of wire wound according to various designs, with or without a core of ferromagnetic material, to concentrate the magnetic flux re...
Phantastron circuits delay horizontal and vertical sync pulses, when added to monitor or tv receiver, to provide display for checking operation of tv s...
Anti-toll-fraud sound and light annunciator circuit diagram is shown in the above picture. The picture is an anti-toll-fraud sound and light warning ci...
What you see in below diagram is a basic heavy-duty electrical system which commonly used in todays automotive fundamentals of electricity. This basic ...
The picture shows the Fuda Brand ZL130-81 dry and wet vacuum cleaner circuit.The XP is power plug. The S is power switch. The FU is fuse. The T is powe...
The RN5RC series is the low-voltage-drop voltage regulator with surface-mount small SOT23 package and externally connecting with a PNP transistor. The ...
The JFET-bipolar cascade circuit will provide full video output for the CRT cathode drive. Gain is about 90. The cascode configura-tion e liminate s Mi...
This circuit shows the basic connections in a typical unity-gain inverting amplifier. The use of a compensation capacitor Cc is required for the AN104,...
Low-drain circuit operating from 1.5-V cell uses National LM3909 flasher ICs to simulate whooper sounds of electronic sirens used on some city police c...
Supplies pulses that drive heart at desired rate. Output is connected to heart muscles by small wires. Frequency of relaxation oscillator is controlled...
Simple telephone time lock circuit is shown in the above picture. In the circuit diagram, BG1 and BG2 are electronic switches controlled by IC NE555. W...
Complete TV video IF amplifier and detector system. The ECG749 contains two lF amplifiers, an AGC keyer, and an AGC amplifier; The circuit will work fo...
Voltage offset null circuit using an ECG915 operational amplifier. See basing diagram for supply connections. Supply is ±15 volts (courtesy GTE Sylvan...
FM wireless microphone using and ECG1014 and ECG1017. Circuit works well up to 250 to 300 feet. For maximum stability cement coil forms to chassis or b...
When it is illuminated, the IC's pin 1 is in high potential, TWH8751 is cutoff, J loses power, J1-1 disconnects. When the hand gets into and blocks the...
Digital sample-and-hold circuit. When a strobe input is applied the 8240/8250 is first reset, then triggered through the small RC network at pin 11, wh...
Vector computation circuit for n variables using three 434 multiplier/dividers and two AD741 op amps (courtesy Analog Devices, Inc.)....
Ring current generatorThe ring current generator can produce a ringing current voltage of 75-90V and 25Hz±5HZ. It is available to be used for vibratin...
Two-way telephone password device is shown as above, the two-way telephone device is composed of the power circuit, password circuit, * circuit, and se...
In high-fidelity audio systems is necessary to use multiple speakers for clear sound . Because that one speaker can’t play all frequency of the audio...
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