-
Phone Flasher circuit diagram
2014-11-29 22:09:50145When the phone rings, the BG2 makes IC1A output high, and in one NAND gate end of IC2B, R4, C1 forms the differential circuit to generate spike pulse a...
-
1958 - V8's Electrical Wiring Diagram
2014-11-29 21:43:20140The circuit principle is the 1958 V8 series cars. We recommend that you carefully read and understand the circuit and then trying to do the electrical ...
-
Low_distortion_bridge_audio_power_amplifier
2014-11-29 20:41:38175This circuit is capable of 40-W into an 8-Ω speaker, or 28-W into a 16-Ω speaker, with a voltage gain of 3 and a full-power bandwidth from dc to 100 ...
-
SSB_CW_DEMODULATOR
2014-11-29 18:11:20229LM373 communication IC uses balanced mixer as product detector, with reinserted carrier reapplied to pin 6. CW or SSB output is taken from pin 7. If de...
-
Video_amplifier_dc_stabilizer_servo_controlled_FET
2014-11-29 16:02:45180This circuit is a wideband, highly stable, gain-of-10amplifier with high input impedance. Input capacitance is about 3 pF. A2 provides a 100-MHz bandwi...
-
Industrial electronic ignition circuit diagram
2014-11-29 15:59:09227The industrial electronic ignition circuit is composed of the power supply circuit, ignition starter control circuit and boost ignition circuit, and it...
-
Telephone Automatic Answering Device Circuit Diagram
2014-11-29 15:00:24179Telephone automatic answering device circuit is shown in the above picture. The recording telephone device has strong ability of anti-disturbance, whic...
-
Star Trek Doorbell
2014-11-29 11:37:35113In the Star Trek ?Next Generation? TV series, the doorbell outside the private quarters of a crew member makes a particular ?beep-boop? sound. The 3v b...
-
65_KV_TWIN_TRIODE_A_F_OSCILLATOR_CRT_SUPPLY
2014-11-29 11:12:30189Oscillator develops square wove because of saturable square-loop core materical of transformer. Diodes eliminate extra load placed on oscillator by hig...
-
TUNNEL_DIODE_SWITCHING_TIME_TESTER
2014-11-29 10:56:23189With values shown, will light only if tunnel diode under test switches within 0.5.nsec.-J. E. Gersbach and I. Lieber, Switching-Time Tester for Tunnel ...
-
Noninverting_amplifier_for_gains_less_than_10
2014-11-29 10:50:55162This circuit shows an AH0014 connected as a noninverting wideband amplifier, where gains must be less than 10, but more than 1. The characteristics are...
-
Visitors identifying electronic doorbell
2014-11-29 09:58:01168The electronic doorbell circuit is composed of the short pulse identification circuit, long pulse identification circuit and circuit music generating c...
-
SERVO_DRIVE
2014-11-29 07:55:42231Combination of Fairchild μA795 multiplier and μA741 opamp generates AC error signal for driving two-phase servo-motor. Phase-shifted signal from R1-C...
-
TONE_DIALING_TELEPHONE
2014-11-29 06:08:29205This circuit shows the TP5700 directly interfacing to a low-voltage DTMF generator.VREG1 supplies the necessary 2-V minimum bias to enable the TP5380 t...
-
What are semiconductors
2014-11-29 05:05:5687Resistors, capacitors and inductors are known as passive components . Electronic components which produces changes in circuit conditions by reacting to...
-
Single end normal shock converter circuit principle diagram
2014-11-29 04:50:20102As shown in the diagram, when switch tube V1 is turn-on, input voltage Uin totally adds to justified of converter primary coil W1', induction voltage g...
-
Pulse_width_modulator_using_an_ECG955M_timer_oscillator_chip
2014-11-29 04:49:16173Pulse width modulator using an ECG955M timer/oscillator chip. The flip-flop is connected in a monostable mode. The circuit is triggered with a continuo...
-
Great Wall programmed box fan circuit
2014-11-29 04:42:1277Great Wall FS36-40 fan uses programmable technology, and it has three wind species, three wind speeds and four-time segment timing shutdown function. I...
-
MUSCIE_SIGNAL_AMPLIFIER
2014-11-29 03:35:24171Differential input amplifier Q1-02 accepts myoelectric signals of 10 to 1,000 microvolts from stump muscles of amputee. Stagger-tuned interstage trans-...
-
100_MODULAIION_OF_LIGHT_EMITTING_DIODE
2014-11-29 02:50:53179Inpt of 0.35 v rms at 1 kc gives 100% modulation. Useful operating range of circuit is 30 cps to 25 kc for light-beam communication.-E. t. Bonin, Drive...
-
Percussion electronic doorbell 2
2014-11-29 01:57:10202The percussion electronic doorbell circuit is composed of the percussion detection circuit, voltage doubling rectifying circuit, lamp trigger delay con...
-
NONINVERTING_SAMPLE_AND_HOLD
2014-11-29 01:33:52129Matched pair of FETs gives high input resistance for analog input signal greater than 1012 ohms, while output resistance of FET pair is under 12K. Opam...
-
Yamaha Generator EF1000iS Electrical (T8A820M)
2014-11-29 01:32:31121Yamaha Generator EF1000iS This article describes a Yamaha Generator EF1000iS Electrical (T8A820M). The principle is very simple, very practical. The ci...
-
Capacitor_discharge_SCR_ignition_system
2014-11-29 01:02:34179Capacitor discharge SCR ignition system. The circuit draws less than 1 ampere at high RPM (courtesy General Electric Company)....
-
PHOTOGRAPHIC_DRYER_CONTROL
2014-11-29 00:37:12164Copper drum, serving as single-turn shorted secondary of transformer, is heated by several thousand amperes of induced current. As drum heats up, trans...
-
Voice electronic doorbell circuit diagram
2014-11-28 23:53:44105The circuit consists of integrated circuit IC, resistor R, capacitors C1, C2 and button SB, speaker BL, power supply and other components. When people ...
-
TV_AFT_system_using_an_EGG1096_14_pin_DIP_with_tab
2014-11-28 22:03:53147TV AFT system using an EGG1096 14-pin DIP with tab. This type of AFT is for a double-ended system, where both positive and negative correction voltages...
-
Color_TV_chroma_demodulator_with_tint_control
2014-11-28 21:22:09202Color TV chroma demodulator with tint control. The color demodulators consist of two sets of balanced detectors that receive their reference subcarrier...
-
Highly sensitive wireless Snoop device circuit
2014-11-28 20:46:25135The circuit is shown in the figure, it is composed of highly sensitive microphone amplifier and wireless transmitter unit, and the amplifier consisits ...
-
LOW_POWER_FM_TELEPHONE_BUG
2014-11-28 19:15:06254Q1 (2N3904) is an oscillator tuned to a quiet spot in the FM broadcast band. D1 through D4 (1N914) ensure proper polarity. Dc from the line powers the ...
- AUTOMATIC_CHROMA_CONTROL
- Great Wall programmed box fan circuit
- FSK_GENERATOR_FOR_CASSETTE_DATA
- LT1766 Application Circuit
- 163_MHz_oscillator_for_low_side_injection_in_CB_operation_us
- Low input current low power consumption peripheral driver ci
- Automatic refrigerator protector
- Wireless two-tone electronic doorbell circuit diagram
- The commutating pole circuit of DC motor
- APERTURE_CORRECTING_CIRCUIT
- Logarithmic_limiting_amplifier
- TV_IF_amplifier_with_video_detector_and_sound_takeoff_using_
- 1998 Mitsubishi FTO Electrical Wiring Diagram (STTH810FP)
- SCR_control_circuit_with_dc_output_that_uses_an_SBS
- HEART_RATE_REGULATOR
- Inductor, inductance basics theory
- CIRCUIT_MONITORS_BLINKING_PHONE_LIGHTS
- Ac_coupled_video_amplifier_with_single_supply
- GLITCH_CANCELLATION
- The bridge type T circuit of reducing the components of Notc
- High_gain_video_amplifier
- TEMPERATURE_COMPENSATED_MILLIVOLT_REFERENCE
- AFC_FOR_COLOR_TV_KLYSTRON
- Electronically_programmed_counter_using_the_Intersil_8240_50
- The improvement of 555 Great Wall floor fan electronic selec
- Inductive electronic doorbell 3
- MC-1496 Arithmetic Product Wave Detector Circuit
- PULSE_DIALING_TELEPHONE
- PHOTOMULTIPLIER_TIMER_FOR_ENLARGER
- TWO_COLOR_TV
- HYDROGEN_THYRATRON_INDUCTION_HEATER
- Cumulative timer circuit diagram
- CAMERA_CONTROL
- M1040 centerless grinding machine circuit
- Industrial degaussing device circuit diagram
- Electronically_programmed_timer_using_an_Intersil_8240_50_60
- MYOELECTRIC_STIMULATOR
- Telephone Automatic Answering Device Circuit Diagram
- Keyer dimmer table lamp circuit
- Highly sensitive wireless Snoop device circuit
- Off_channel_leakage_tests
- Telephone Automatic Recording Control Device Circuit Diagram
- The Superior Electrical Waveforms Generator ? FunGen v2 Kit
- Color_TV_chroma_demodulator_with_direct_output
- FAHRENHEIT_CENTIG_RADE_LED_THERMOMETER
- Sequential_UJT_SCR_timer_circuit
- TV_AFT_AFC_circuit_for_three_types_of_systems_using_an_ECG10
- Time_delay_circuit_using_a_UJT
- The Accelerometer LIS302DL Datasheet and Electrical Connecti
- HY8040 Typical Working Principle Circuit
- 1_kHz_WlEN_BRIDGE
- SIREN_WITH_MUTING
- SHB6605 Power-Drive Integrated Circuit Diagram
- THERMOELECTRIC_COOLING_CONTROL
- The sound circuit diagram of electronic lark
- Earphone_radio
- NERVE_STIMULATOR
- HIGH_ISOLATION_TELEPHONE_RINGER
- Farm and sideline products autoregulation drying box circuit
- 460_KC_F_M_RECEIVER_FOR_WIRELESS_MICRO_PHONE
- RN5RG Series Voltage Regulator Internal Diagram And Basic Ap
- CCTV_10_MC_REPEATER
- BLOOD_PRESSURE_MONITOR
- TV lightning protection circuit
- TL431 Basic Application Circuit
- Eggs hatching incubator 4
- COLOR_SYNC_SEPARATOR
- ColorTV_horizontal_self_regulating_scan_circuitry_fora_19_in
- ORGAN_VOICING_PANEL
- Wideband_amplifier_for_test_equipment_applications_high_gain
- THERMOCOUPLE_MULTIPLEXER
- ARTIFICIAL_LARYNX
- Electrono_tuner_contror_memory_for_radio_and_TV
- REMOTE_RINGER
- TV_video_processor
- Two-way telephone password device circuit diagram
- HEART_STIMULATING_PULSE_OUTPUT_STAGE
- New degaussing principle circuit
- ATV_LINE_SAMPLER
- TOUCH_TONE_ENCODER_1
- Star Trek Doorbell
- EEG_WAVEFORM_ANALYZER
- Automatic series reactance starting three-phase motor 1
- TOUCH_TONE_DIALER
- Switching_time_tests
- MEASURING_SCR_TURNOFF_TIME
- Multiplier_circuit_using_an_AD533
- Simple water detector circuits
- Simple_dc_power_control
- SID2141X Video Preamplified Circuit Diagram
- Absorbing Capacitor Charging And Discharging Control Circuit
- Chicks hatched informing device 2
- Optoisolator_driver_for_resistive_loads
- Circuit diagram of electronic code lock with self-locking fu
- Visitors identifying electronic doorbell
- 45_MHz_TV_sound_channel_with_audio_output_stages
- 20_METER__DIRECT_CONVERSION
- 10_MHz_universal_counter_using_the_Intersil_ICM7216B_28_pin_
- 8_to_1_video_switch_amplifier
- Boost and output practical circuit