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  • TDA8177F integrated block internal box circuit

    2017-01-07 16:48:4661

    TDA6103Q--Single-chip video magnification integrated circuitThe TDA6103Q is designed as one kind of Single-chip video magnification integrated circuit ...

  • Clock control timing start-up obfuscation guard against thef

    2017-01-07 16:44:5361

    The circuit is as shown. It is composed of clock control timing circuit, SCR control circuit, voice phonation circuit, audio power amplifier circuit an...

  • The remote controlled door lock circuit of Buick-Century

    2017-01-07 16:30:4962

    The left-front lock switch is in parallel with right-front door lock, when the lock switch is at lock position, the lock relay will drive the 4 lock mo...

  • TDA7088T integrated block typical application circuit and in

    2017-01-07 16:23:0561

    2. Pin functions and dataThe pin functions and data of the TDA4866J is as shown in table 14-22.Table 22 The pin functions and data of the TDA4866J...

  • CLOCK_DRIVEN_TRIANGLE_WAVE_GENERATOR

    2017-01-07 15:35:2561

    U2-a, C3 and R2 operate as an integrator. Q2 and Q3 are alternately switched at 256 cycles. U2-b, Q4, Q5, and R8 through R11 are a constant current gen...

  • Block Diagrams Mono TV Receive Tutorial

    2017-01-07 15:26:3062

    The tuner unit converts the incoming sound and vision carriers to their IF frequencies. For more information on how this is done, read the page on AM r...

  • PLL-Phase Locked Loops

    2017-01-07 15:21:5163

    Phase Locked Loops (PLL)Introduction to PLL The concept of Phase Locked Loops (PLL) first emerged in the early 1930’s.But the technology was not deve...

  • CLOCK_PULSE_GENERATOR

    2017-01-07 15:20:3560

    Derives pulse from reading head that scans data track of magnetic-spoke disk memory, eliminating need for separate timing track. Generates pulse for ea...

  • MICROMODULE_FOR_16_MC_CLOCK_RAIE

    2017-01-07 15:06:3160

    Flip-lop arrangement of two standard gales, with capacitor-resistor-diode gates fled to bases for trigger input, operates under worstcase temperature c...

  • Digital lock 7

    2017-01-07 15:01:1761

    The digital lock circuit is composed of the password control circuit and sound and alarm circuir, and it is shown in Figure 3-104. Password control cir...

  • Circuit Of LED Digital Voice Timekeeping Clock

    2017-01-07 14:52:5461

    General dynamics LED digital clock does not have the timekeeping function, but we only need to add a simple circuit to make it achieve the function of ...

  • Digital Electronic Lock

    2017-01-07 14:51:1961

    The digital lock shown below uses 4 common logic ICs to allow controlling a relay by entering a 4 digit number on a keypad. The first 4 outputs from th...

  • LOW_POWER_WIDE_SUPPLY_RANGE_CLOCK

    2017-01-07 14:35:1060

    This 32-kHz, low-power clock oscillator offers numerous advantages over conventional oscillator circuits based on a CMOS inverter.Many times, 32-kHz os...

  • 72 LED Clock

    2017-01-07 14:33:0861

    In the circuit below, 60 individual LEDs are used to indicate the minutes of a clock and 12 LEDs indicate hours. The power supply and time base circuit...

  • Central locking、guard against theft and alarm system and in

    2017-01-07 14:09:4560

    Automatic transmission electronic control unit、manual shift、gear lever lock stop electromagnet and gear lever location display circuit diagram as s...

  • 3_kHz_TONE_LOCK

    2017-01-07 14:02:2960

    Electric door lock opens only when signal voltage of about 3 kHz is applied to two exposed terminals by holding compact single-IC AF oscillator against...

  • OUTPUT_CONTROL_FOR_CLOCK_COMPARATOR

    2017-01-07 13:52:5261

    Circuit triggers 10-A triac when Q output of comparator-driven flip-flop is logic 1. LED in optoisolator is then energized, activating phototransistor ...

  • Southeast Soveran central locking and alarming electrical sy

    2017-01-07 13:08:5861

    ...

  • The electric self-lock/interlock switch circuit

    2017-01-07 13:03:2261

    1.switch featuresThe core part of the switch is made of 4 op-amps LM324, with subtle design, each op-amp has two functions: the voltage comparator and ...

  • RC_CLOCK

    2017-01-07 12:59:0961

    Simple TTL clock generator is suitable for most TTL systems. Requires only half of hex inverter package and three passive com ponents. Clock frequency ...

  • LOSS_OF_LOCK_MONITOR

    2017-01-07 12:54:4961

    Modified digital phase-locked loop includes second phase detector that provides alarm signal when loop gets out of lock. Output may also be used to dis...

  • The typical application circuit and internal block diagram o

    2017-01-07 12:43:3961

    Features of functionLAG668B IC contains two high fidelity pre-amplifier and power amplifier within subwoofer excitation circuit and motor circuit with ...

  • Chang antelope car central locking system circuit diagram

    2017-01-07 12:43:2160

    1. Battery 2. The total fuse 3. Fuse 4. The the key / button switch of driver side 5. Front passenger key switch 6. The main switch 8. Car door lock co...

  • Square wave clock circuit

    2017-01-07 12:42:5160

    Square wave clock: The HA-4900/4905 high precision comparator integrated circuit which is produced by the Harris company has four comparators, you ca...

  • 74 Series digital circuit of 74LS362 four-phase clock genera

    2017-01-07 12:14:4163

    It is used as TMS9900 or other microprocessor clock generator/ driver; high four-phase output; complementary TTL four-phase output; it is the self-supp...

  • AVR Microcontroller Digital Clock with ATtiny2313

    2017-01-07 12:06:4063

    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 ...

  • A digital clock standard 60HZ time-based circuit

    2017-01-07 12:06:0561

    CD4060 is a 14-bit binary serial counter / oscillator frequency divider. Oscillator and External crystal R1, C1, C2 constitute the 30720Hz oscillator c...

  • TDA4660, TDA4660V2 integrated block internal box circuits

    2017-01-07 12:02:3560

    2.Pin functions and dataThe TDA4472 is in the 28-pin dual in-line package, the pin functions and data is as shown in table 10.Table 10 The pin function...

  • The door lock alarm with the time recognition function

    2017-01-07 11:38:4061

    The circuit is shown in figure 1, which is composed of the 555 time-based integrated circuit and alarm integrated circuit. The time-based circuit IC1 c...

  • Current Blocking Switch Machine Power Supply

    2017-01-07 11:24:5060

    The Current Blocking type of switch machine supply is a widely used device and is well documented. It is reliable and practical design. Simply stated; ...

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