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  • AUTOMATIC_SENSITIVITY_CONTROL_FOR_VIDICON

    2014-11-24 21:54:19136

    Positive-going blanked video on grid of video amplifier output stage V3A serves to produce negative agc voltage that increases with camera signal, to r...

  • NEON_LAMP_OSCILLATOR

    2014-11-24 20:52:46146

    The neon lamp has negative dynamic resistance-the voltage across it falls while conduction is increasing. As a result, it flashes on and off.The freque...

  • Electrical Tester

    2014-11-24 19:52:5998

    The electrical circuit tester to check the vehicle is very useful. The device is powered by a car battery. Two LED indicates whether the clip is connec...

  • CB92's and CA95's Electrical Wiring Diagram

    2014-11-24 19:37:2572

    Below, you can learn CB92 and CA95 electrical wiring diagram. Read before cabling diagram is wise. In the CB92 and CA95 electrical wiring diagram we wi...

  • Simplified Long-Distance Call Lock Circuit Diagram

    2014-11-24 19:25:3973

    Simplified long-distance call lock is shown in the above picture. The lock can lock out the long-distance call without affecting the original function....

  • Honda Magna VF750C Electrical (TDA7375A)

    2014-11-24 18:35:13176

    1994 Honda Magna Review This article describes the Honda Magna VF750C Electrical (TDA7375A). The principle is very simple, very practical. The circuit ...

  • FM_FOR_INSTRUMENTATION

    2014-11-24 18:20:43132

    Frequency modulator-demodulator circuit using IC and opamp converts ordinary low-cost tape recorder into instrumentation recorder. Signetics NE565 phas...

  • Infrared reflectance automatic hand dryer circuit diagram

    2014-11-24 18:19:26134

    Infrared reflectance automatic hand dryer schematic circuit diagram:...

  • Color_TV_complete_video_amplifier_system_featuring_DC_contra

    2014-11-24 16:33:52127

    Color TV complete video amplifier system featuring DC contrast and brightness, DC restorer for black-level clamping, ganged contrast and color controls...

  • Boost Voltage Convertor Circuit Composed Of LTC1700

    2014-11-24 14:45:32119

    The picture shows the convertor circuit composed of LTC1700. This is a simple circuit to convert the 3.3V voltage to 5V voltage. The LTC1700 is a PWM i...

  • Circuit diagram of constant-current-source type power supply

    2014-11-24 13:04:58167

    Circuit diagram of constant-current-source type power supply and off-hook detectionThe circuit is used for HJD05 –type switching board. The direct cu...

  • Convertor Circuit Composed Of TPS54610

    2014-11-24 12:55:21117

    The picture shows the low input voltage to low output voltage DC-DC convertor. It uses the PWM comtrol method and the oscillation frequency is set to b...

  • MAGNETIC_TAPE_FLAW_DETECTOR

    2014-11-24 09:56:18135

    Transistor oscillator records steady test lone on tape. Machine stops during playback when repro-duced level indicates law that would make tape unsuita...

  • UM95088 Telephone Circuit Diagram

    2014-11-24 09:24:10190

    UM95088 telephone circuit diagram is shown in the above picture. UM95088 is specialized integrated module of dual tone multiple frequency for telephone...

  • BALANCED_MODULATOR_DEMODULATOR

    2014-11-24 09:19:30130

    Achieves high carrier and modulation suppression by using closely matched diodes and providing R1 for amplitude adjustment and coaxial line for phase a...

  • Electronic imitation sound pest quitter circuit diagram

    2014-11-24 05:48:2570

    R2 is a 10k Ω fine-tuning resistor; R3 is a 130kΩ fine tuning resistor; R3 is a 200Ω resistor; R5 is a 510k Ω fine-tuning resistor; C1 uses 330u/16...

  • LINEAR_READOUT_CIRCUIT

    2014-11-24 05:44:09110

    Thermistors have found their way into a number of temperature-sensing applications. However, their resistance is a nonlinear function of temperature. I...

  • PORTABLE_TV_TUNER

    2014-11-24 05:13:19156

    Three transistors in vhf tuner provide 19 db power gain even for channel 13, with 12 db noise factor. V. Mukai and P. V. Simpson, Transistorized Tuners...

  • Analog_video_switch_and_amplifier_with_ac_coupled_input

    2014-11-24 05:12:39106

    This circuit shows a CA3256 switch/amplifier connected for an ac coupled input. One of four channels can be selected in parallel with channel 5. The an...

  • PHOTOMULTIPLIER_TIMER_FOR_ENLARGER

    2014-11-24 04:28:46118

    Quartet-watt neon lamps regulate dynode potentials. Graded-capacitor voltage divider across string of neons makes them fire in sequence, to eliminate v...

  • The application circuit of driving 5 white light LEDs

    2014-11-24 01:49:33139

    TPS60230 can drive 5 25mA white light LEDs at most; TPS60231 can drive 3 25mA white light LEDs at most; the main technology features of TPS60230/TPS602...

  • ELECTRONIC_CROWBAR

    2014-11-24 00:13:56152

    Where it is desirable to shut down equipment rather than allow it to operate on excessive supply voltage, an electronic crowbar circuit can be employed...

  • Two-tone electronic doorbell 1

    2014-11-23 22:50:06132

    The two-tone electronic doorbell circuit is composed of the input trigger circuit and audio output circuit, ans it is shown in Figure 3-107. The input ...

  • Home-use fan IR remote control circuit

    2014-11-23 17:38:06184

    The diagram is home-use fan IR remote control circuit. This remote controller includes emitter and receiver controlling parts. The nucleus of IR emitte...

  • 10_MHz_universal_counter_using_the_Intersil_ICM7216B_28_pin_

    2014-11-23 17:10:29206

    10 MHz universal counter using the Intersil ICM7216B 28-pin DIP. This circuit can use input frequencies up to 10MHz at input A and up to 2 MHz at input...

  • Video_amplifier_dc_stabilizer_differentially_sensed_techniqu

    2014-11-23 16:16:41118

    In this circuit, sensing is done differentially, preserving access to both fast amplifier inputs. A1 measures the dc error at the A2 input, and biases ...

  • AT Commands

    2014-11-23 16:14:2280

    AT commands are a group of commands that can be sent by a terminal or host computer to control the ISU  (Iridium Subscriber Unit ) in Command mode. Wh...

  • TV_low_level_video_detector

    2014-11-23 15:41:16132

    TV low-level video detector. Typical voltage output is 7.5 volts peak to peak. The 14-pin DIP contains a double balanced detector circuit (courtesy GTE...

  • Light comparator circuit

    2014-11-23 15:38:03120

    In order to adjust two light source to the same brightness, itcan use this circuit as light compare standard. PC1 and PC2are solar batteries. At the st...

  • COLOR_BURST_GATING_SIGNAL_GENERATOR

    2014-11-23 12:06:00106

    Provides burst gating pulses for operating balanced-diode pate used in studio switching of color tv programs.-J. O. Schroeder, Holding Video levels Whi...

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