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  • Electronic Metronome Electrical Circuit Diagram (BAT43)

    2014-11-15 08:06:0969

    This article describes the Electronic Metronome Electrical Circuit Diagram (BAT43). The content is very simple, very helpful. Components in this articl...

  • Flashing electronic doorbell

    2014-11-15 07:06:28124

    The flashing electronic doorbell circuit is composed of the power supply circuit, audio input trigger circuit, multivibrator, and it is shown in Figure...

  • ELECTROEXPLOSIVE_PULSER

    2014-11-15 06:54:29126

    Used in determining energy required to fire 50% of devices being tested. Uses thyratron as pulse generator, transistor for pulse shaping, and power tra...

  • TV_video_IF_amplifier_and_synchronous_detector_for_cable_rec

    2014-11-15 06:19:35102

    This circuit shows the external connections for an LM1823, which is a video IF amplifier that is designed to operate at intermediate carrier frequencie...

  • Proportional derivative regulator D furnace circuit

    2014-11-15 05:48:1269

    This circuit has nothing to do with heating speed, the water temperature can be limited in given value. The operational amplifier connectedas thederiva...

  • PC_TEMPERATURE_INTERFACE

    2014-11-15 02:56:24108

    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...

  • CCTV_10_MC_CARRIER_TRANSMITTER_TERMINAL

    2014-11-15 02:47:56162

    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...

  • Transcutaneous Electrical Nerve Stimulator (BC556)

    2014-11-15 00:09:34141

    This article briefly describes the Transcutaneous Electrical Nerve Stimulator (BC556). Although this circuit is very easy to understand, but also very ...

  • MYOELECTRIC_STIMULATOR

    2014-11-14 23:40:43102

    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...

  • Using computer-controlled electrical principle explanation

    2014-11-14 22:35:2264

    This article is the use of computer-controlled electrical principle explanation. The principle is simple but effective. For your grasp this principle m...

  • Inductor, inductance basics theory

    2014-11-14 20:35:5676

    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...

  • PULSE_CROSS_DISPLAY_GENERATOR

    2014-11-14 19:17:04111

    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

    2014-11-14 18:37:0069

    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...

  • Cars Basic Heavy Duty Electrical System Circuit Diagram

    2014-11-14 17:39:44109

    What you see in below diagram is a basic heavy-duty electrical system which commonly used in todays automotive fundamentals of electricity. This basic ...

  • Fuda Brand ZL130-81 Dry And Wet Vacuum Cleaner Circuit

    2014-11-14 16:35:0371

    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...

  • RN5RG Series Voltage Regulator Internal Diagram And Basic Ap

    2014-11-14 16:03:1690

    The RN5RC series is the low-voltage-drop voltage regulator with surface-mount small SOT23 package and externally connecting with a PNP transistor. The ...

  • JFET_BIPOLAR_CASCODE_VIDEO_AMPLIFIER

    2014-11-14 15:05:03162

    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...

  • Unity_gain_inverting_wideband_amplifier

    2014-11-14 14:45:37131

    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,...

  • POLICE_SIREN_USES_FLASHER

    2014-11-14 14:09:32152

    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...

  • HEART_PACER

    2014-11-14 13:25:20119

    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 diagram

    2014-11-14 12:44:45121

    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

    2014-11-14 12:21:05129

    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...

  • General_purpose_amplifier_with_FET_AGO_circuit

    2014-11-14 11:43:47145

    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

    2014-11-14 10:43:38141

    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...

  • Homemade fast hand dryer circuit

    2014-11-14 10:17:0972

    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

    2014-11-14 08:55:48137

    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_m

    2014-11-14 08:25:28118

    Vector computation circuit for n variables using three 434 multiplier/dividers and two AD741 op amps (courtesy Analog Devices, Inc.)....

  • Ring current generator circuit diagram

    2014-11-14 07:49:46136

    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 circuit diagram

    2014-11-14 04:19:20134

    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...

  • Passive filters design

    2014-11-14 03:41:17240

    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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