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  • TDA7429S integrated block typical application circuit

    2017-01-07 11:18:4463

    2. Pin functions and dataThe TDA5112 is in the 15-pin single row package, and the pin functions and data is as shown in table 24, the data is from the ...

  • Electronic Combination Lock using IC LS 7220

    2017-01-07 11:17:2069

    Electronic Combination Lock Circuit Description This is the circuit diagram of a simple electronic combination lock using IC LS 7220.This circuit can b...

  • TDA9860 integrated block internal box circuit

    2017-01-07 11:13:0863

    2. Pin functions and data The pin functions and data circuit of the DTA8172 is as shown in table 45. The DTA8172 is in the 7-pin single in-line package...

  • TDA8351AQ integrated block typical application circuit

    2017-01-07 11:01:1962

    Table 33 The pin functions and data of the TDA8351AQ...

  • Digital electric clock circuit diagram

    2017-01-07 10:56:5760

    As shown in figure, digital electric clock circuituses electronic horologe special integrated circuit KD482FCas seconds time-base signal. Through the d...

  • The room light, cigarette lighter and clock principle circui

    2017-01-07 10:34:5060

    The fuse of F8 links with the battery fire wire, and it controls the room light(742), trunk(389), cigarette lighter and clock(685). The room light can ...

  • FASTER_PHASE_LOCK

    2017-01-07 09:57:5361

    Circuit was developed to reduce the normally long acquisition time of phase-locked loops when measuring frequency of short signal bursts. Synchronizati...

  • 220_MHz_PHASE_LOCKED

    2017-01-07 09:39:2561

    Fairchild 95H90 divide-by-10 counter U3 is used to divide 221.86-MHz VCO output frequency by 10. Resulting 22-MHz output of U3 is compared in phase wit...

  • The Phase-Locked Loop

    2017-01-07 09:04:4062

    How a Phase-Locked Loop Works The phase-locked loop (PLL) is a device with many interesting applications, including frequency synthesis, FM demodulatio...

  • PLL_LOCK_DETECTOR

    2017-01-07 09:03:1862

    When the loop is locked, the waveforms at pins 1 and 2 of CD4046B are almost identical, differing only in polarity. This holds the output of the NOR ga...

  • SX-6 Human sensor switch block diagram and circuit schematic

    2017-01-07 08:57:0261

    SX-6 Human sensor switch is the follow-up model of SX-3 human sensor switch. The function of SX-6 is more complete functional and more reliable perform...

  • Intelligent lock control balcony alarm bell circuit diagram

    2017-01-07 08:56:0460

    Figure 1 is a transmitter circuit which is installed at the gate. AN is the doorbell button, and K is the lock control switch; when all the family goes...

  • Braking、electronic differential lock and TCS electronic con

    2017-01-07 08:52:2061

    FAW bora (1.8L) saloon car braking、electronic differential lock and TCS electronic control unit circuit diagram as shown...

  • Vizi saloon car quartz clock, radio-cassette player and rear

    2017-01-07 08:49:2360

    The Vizi saloon car quartz clock, radio-cassette player and rear window defrosting circuits:...

  • LOW_FREQUENCY_CLOCK

    2017-01-07 08:38:4462

    The LM3090 is an LED flasher IC that is designed to oscillate at low frequencies. The clock out-put of the first circuit can be changed by changing the...

  • ADJUSTABLE_CLOCK_WITH_MEMORY_READY

    2017-01-07 08:10:2760

    Additional timing resistor is switched in or out of MC8602 pulse-width generator for phade-2 clock to provide memory-ready feature along with variable ...

  • 555 time limiting lock alarm device circuit

    2017-01-07 07:54:4261

    As the figure 15-21 shows, the door lock alarm device is composed of the monostable trigger circuit, the timer and the alarm sound circuit.etc. It has ...

  • The internal block circuit diagram of LA4505 IC

    2017-01-07 07:41:3667

    LA4505 IC contains a pair of preamp with input level, low ripple constant current bias, over-temperature protection (TSD), audio mute, popping sound su...

  • Phase Locked Loop IC

    2017-01-07 07:36:4363

    MONOLITHIC PHASE-LOCKED LOOP (PLL) ICS Although the evolution of thePLLbegan in the early 1930s but its cost outweighted its advantage in the beginning...

  • freezer and cooling pump interlock control circuit

    2017-01-07 07:30:3561

    The freezer and cooling pump interlock control circuit is as shown. It can be started through starting frozen pump, cooling pump and opening the freeze...

  • Digital lock 4

    2017-01-07 07:19:1161

    The digital lock circuit is composed of the timing trigger circuit, trick lock circuit, sound and alarm circuit and control implementation circuit, and...

  • Circuit diagram of electronic code lock with self-locking fu

    2017-01-07 07:18:0161

    The circuit is shown as in the above picture. Silicon controlled rectifiers SCR5, SCR6, and SCR7 are the main control components of the code lock. If t...

  • TDA9332H integrated block internal box circuit

    2017-01-07 07:12:4260

    TDA8133--Dual polarity voltage regulator circuitThe TDA8133 is designed as one kind of dual polarity voltage regulator circuit which is produced by the...

  • Eight-way lock electronic switch circuit diagram

    2017-01-07 07:02:1465

    The 8-way lock electronic switch circuit is composed of the regulator filter circuit, input control circuit, latch circuit and control implementation c...

  • A.M. Receiver Tutorial - Block Diagrams

    2017-01-07 06:47:4760

    Most of these blocks are discussed individually, and in more detail, on other pages. See filters, mixers, frequency changers, am modulation and amplifi...

  • THREE_DIAL_COMBINATION_LOCk

    2017-01-07 06:32:3160

    Here's an effective little combination lock that you can put together in one evening's time. To open the lock, simply dial in the correct combination o...

  • 25_NSEC_O5_AMP_CLOCK_PULSE_GENERATOR

    2017-01-07 06:27:5761

    Used in computer circuits to set timing for array of circuits.Mvbr Q1-Q2 triggers pulse generator Q3-Q4.- Transistoy Manual, Seventh Edition, General E...

  • AVR Microcontroller Digital Clock with ATtiny 2313

    2017-01-07 06:24:0068

    Usually we see Digital clock on LCD or 7 segmen. But, this AVR Digital Clock which is designed by Ficara Emilio displayed on Oscilloscope. The project ...

  • RUN_DOWN_CLOCK_SOUND_GENERATOR

    2017-01-07 06:20:0261

    Used in electronic roulette or dice games, this circuit produces a clock signal that initially is several tens of kHz (depending on C2) and gradually d...

  • Calendar clock circuit

    2017-01-07 06:06:1262

    FCM CT7001 clock chip is produced by Fairchild, it can make 7 paragraphs LED of 6 bits display 12h or 24h, and it also has the functions of 28/30/31 ca...

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