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  • TOUCH_TONE_DIALER

    2014-11-27 13:53:27135

    Single Motorola 4410 chip requires only two external components and 2-of-8 keyboard to generate two sine waves simultaneously for Touch-Tone dialing an...

  • ColorTV_demodulator_with_color_amplifiers

    2014-11-27 12:51:49173

    Color TV demodulator with color amplifiers. The ECG1131s shown are chroma signal amplifiers. The ECG1130 is a 16-pin DIP (courtesy GTE Sylvania Incorpo...

  • Eggs hatching incubator circuit diagram 1

    2014-11-27 12:42:08139

    The eggs hatch incubator circuit is composed of the power supply circuit, temperature detection control circuit and indication circuit, and it is shown...

  • Analog_video_switch_and_amplifier_with_direct_coupled_output

    2014-11-27 12:25:28119

    This circuit shows a CA3256 switch/amplifier connected for a direct-coupled output. One of four channels can be selected in parallel with channel 5. Th...

  • The Electrical Wiring Diagram of Toyota Camry 1993 (ADS822E)

    2014-11-27 09:42:15200

    This article describes The Electrical Wiring Diagram of Toyota Camry 1993 (ADS822E). The content is very simple, very helpful. Components in this artic...

  • Complete_FM_TV_45_MHz_sound_channel_using_an_ECG1045_14_pin_

    2014-11-27 09:07:29120

    Complete FM/TV 4.5 MHz sound channel using an ECG1045 14-pin DIP. Audio power output is 1.5 watts. The ECG1045 contains a three-state high-gain directi...

  • Telephone Operating Power Flash Electrical Switch

    2014-11-27 07:24:1375

    A telephone operated electrical switch for selectively energizing an electrical load in response to dialing of a predetermined telephone number. The el...

  • Touching eight-sound five-flash dynamic toy circuit diagram

    2014-11-27 06:31:24123

    Touching eight-sound five-flash dynamic toy circuit diagram is shown in the diagram. It consists of HFC3018 module, and it can generate eight kinds ofd...

  • Measurement of electrical energy consumption today

    2014-11-27 05:20:2178

    Electromechanical energy counters were popular for more than 50 years, but today you can find them only in older houses or in low budget appliances bec...

  • Chicken male and female discriminator 1

    2014-11-27 03:40:47136

    The chicken male and female discriminator circuit is composed of the audio detection circuit, active band-pass filter and LED display circuit, and it i...

  • LASER_TV

    2014-11-27 02:02:23182

    Audio driver delivers 300 v peak. to peak to KDP optical modulator controlling gas laser.-C. J. Peters et al., Laser-Television System Developed With O...

  • EXTENSION_PHONE_RINGER

    2014-11-27 01:34:40111

    The ac ringing voltage (typically 40 to 90 V at 26 Hz) is rectified by U1, the tone-ringer IC, and is used to drive that IC's internal tone-generator c...

  • Low input current low power consumption peripheral driver ci

    2014-11-27 00:47:14105

    SN75436/75437A/75438 is low input current, low power consumption monolithic four-channel, OC, inverted output peripheral driver, which is used ashigh c...

  • Practical Switch Voltage Regulator Power Supply Circuit With

    2014-11-27 00:24:34124

    The practical switch voltage regulator power supply circuit is shown in the picture. The positive incentives convertor method's main features are:1.The...

  • Color_TV_AFT_circuit

    2014-11-26 23:11:01108

    Color TV AFT circuit. The supply is +30 volts, resistor Rs is 1.5K, the bypass capacitor between pin 10 and ground is 0.001 μF, the capacitor across L...

  • ARTIFICIAL_LARYNX

    2014-11-26 20:32:27147

    Output is negative pulse whose repetition frequency is varied from 100 to 200 cps by rheostat to change pitch of voice while speaking. Modified telepho...

  • 1_of_15_cascaded_video_mux

    2014-11-26 20:08:01100

    In this circuit, two MAX455s are cascaded to form a 1-of-15 video MUX by connecting the output of one MUX to one input of the input channels of a secon...

  • Logic Signal Long Time Delay Circuit

    2014-11-26 18:41:10103

    If you want to make the serial input logic signal Vtoutputafter thedelay time, it could use the circuit shown in the picture. This circuit uses a RAM a...

  • Basic_SCR_phase_control

    2014-11-26 18:34:12137

    This circuit shows a basic phase-control scheme using an SCR and relaxation oscillator. The capacitor is charged through the resistor until the breakov...

  • FET_MIXER_FOR_UHF_TV_TUNER

    2014-11-26 17:41:26208

    Uses strip transmission lines. Ground-plane conductors divide circuit into three shielded cubicles, for r-f input, local oscillator output, and i-f out...

  • 20_MHz_video_log_amplifier

    2014-11-26 17:39:01114

    This circuit shows a 2920 in the basic log-amplifier configurations, using a minimum of external components. The offset pot between pins 9 and 10 is ma...

  • Optocoupler_driven_SCR

    2014-11-26 17:34:45130

    This circuit shows a 4N26 driving an SCR, which, in turn, is used to control an inductive load. The SCR is a sensitive-gate device ( 1 mA of gate curre...

  • HOURS_OF_DELAY

    2014-11-26 17:06:04132

    Capacitor starts charging from -12 v to +12 v when switch is opened.Diode begins conducting at ground potential, and operational trigger trips when dio...

  • SLAVE_FLASH

    2014-11-26 15:15:51135

    Remote fiashtube having no connection with camera is fired by light-activated SCR (LASCR) when triggered by main fiash of camera. Used to provide illum...

  • High temperature disinfection cabinet

    2014-11-26 15:14:11131

    The high temperature disinfection cabinet circuit is composed of the power supply circuit, control circuit and indication circuit, and it is shown in F...

  • Video Preamplified Circuit Diagram

    2014-11-26 11:42:3671

    SID2141X is a kind of video preamplifier IC and it is widely used in a variety of domestic and imported color monitors. The SD2141X integrated circuit ...

  • 1959 -- V8 Electrical Wiring Diagram

    2014-11-26 11:13:4782

    This article presents the 1959 Chevrolet V8 electrical wiring diagram. We recommend wiring work steps are: first carefully read after you finish wiring...

  • Audio frequency therapeutic apparatus circuit

    2014-11-26 11:06:42146

    Audio frequency therapeutic apparatus circuit principle is shown in the diagram. It consists of RC oscillator, preamplifier, push-pull power amplifier ...

  • Automobile AM radio circuit

    2014-11-26 09:38:0880

    This circuit shows the high and mid part of car radio, and the medium wave band I is 520 ~ 950kHz, Poland II is 900 ~ 1640kHz. Loop tuning uses tunable...

  • Sickroom calling device circuit

    2014-11-26 07:46:23116

    This circuit is composed of two ICs, its features are that it can use a pair of wires toreplace the calling wires in ten rooms. Every room number uses ...

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