Basic Circuit

Pseudo-Random Number Generator

Published:2012/12/17 20:24:00 Author:muriel | Keyword: Pseudo-Random, Number Generator

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Isolation and directly driving CW1840 driver MOS tube circuit diagram

Published:2012/12/17 2:36:00 Author:Ecco | Keyword: Isolation , directly driving , driver, MOS tube

Isolation and directly driving CW1840 driver MOS tube circuit diagram is shown as the figure.   (View)

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Field output circuit : TDA3654 circuit diagram

Published:2012/12/15 2:20:00 Author:Ecco | Keyword: Field output

TDA3654 is a field output circuit which can drive deflection angle system, and its current is up to 1.5A ( PP ) with overheating, overload protection.   (View)

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Field output circuit: TA8403 circuit diagram

Published:2012/12/15 2:23:00 Author:Ecco | Keyword: Field output

Pin 1: 0V - groundPin 2: 12.4V-- field outputPin 3: 25V - farm output stage power supplyPin 4: 1.0V-- field excitation signal inputPin 5: 0.6V-- phase compensationPin 6: 24V - powerPin 7: 1.5V - - pump power output   (View)

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Field output circuit: TA8427 circuit diagram

Published:2012/12/15 2:25:00 Author:Ecco | Keyword: Field output

Pin 1: 0V - groundPin 2: 14V-- field outputPin 3: 27V - farm output stage power supplyPin 4: 1.0V-- field excitation signal inputPin 5: 0.6V-- phase compensationPin 6: 27V - powerPin 7: 1.9V - - pump power output   (View)

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Field output circuit: OTL discrete circuit diagram

Published:2012/12/15 2:38:00 Author:Ecco | Keyword: Field output, OTL discrete

The output circuit composed of OTL discrete components is widely used in various brands of machines (generally under 25 or 25-inch machine), the circuits are different, but circuit programs are exactly the same.   (View)

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Field output circuit : LA7838 circuit diagram

Published:2012/12/15 2:17:00 Author:Ecco | Keyword: Field output

Pin 1: 9.2V-VCC1 powerPin 2: 4.8V-vertical trigger inputPin 3: 4.8V-monostable multivibrator oscillation time constant setting endPin 4: 4.8V-field amplitude control terminalPin 5: 0.5V-50/60HZ conversion field amplitude stability control terminal (50HZ: L 60HZ: H)Pin 6: 4.8V-sawtooth voltage form endPin 7: 4.6V-- farm output AC and DC feedback inputpin 8: 24.5V-VCC2 powerPin 9: 1.9V-pump power outputPin 10: 1.5V-anti- self -excited negative feedback inputPin 11: 0V - groundPin 12: 15V - field scanning outputPin 13: 24V - farm output power   (View)

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half-shot circuit

Published:2012/12/14 20:50:00 Author:muriel | Keyword: half-shot circuit

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Digital alarm clock circuit diagram

Published:2012/12/14 0:29:00 Author:Ecco | Keyword: Digital alarm clock

U1 is the 3817 integrated circuit. It has the ability to drive the display directly, and it can display 12h or 24h, schedule alarm sounds, timely and automatically turn on the radio. Display is FND500 light-emitting diode, the input frequency is 50H or 60Hz. U2 is the 7800 series regulator, its rated power can meet the requirements of the radio. Users can select radio playing time length ( the maximum is 59 min), then Q3 will output a low level to automatically turn off the radio.   (View)

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UC3907 one-way buffer replacing diode circuit diagram

Published:2012/12/14 0:23:00 Author:Ecco | Keyword: one-way buffer, replacing diode

This can reduce the impact on the current precision of of the main module from diode forward voltage drop. The circulation between the main module and other modules is reduced to 2.5% or less.   (View)

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popcorn crystal filter

Published:2012/12/13 21:33:00 Author:muriel | Keyword: popcorn crystal filter

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10MHz crystalk bandpass RF filter

Published:2012/12/13 21:32:00 Author:muriel | Keyword: 10MHz, crystalk bandpass, RF filter

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10 MHz, double tuned RF band pass filter

Published:2012/12/13 21:30:00 Author:muriel | Keyword: 10 MHz, double tuned, RF band, pass filter

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Experiments with JFET Biasing

Published:2012/12/13 21:25:00 Author:muriel | Keyword: Experiments, JFET Biasing

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Voltage positive pulse peak holding circuit diagram

Published:2012/12/13 0:51:00 Author:Ecco | Keyword: Voltage, positive pulse, peak holding

Voltage positive pulse peak holding circuit diagram is shown as below:   (View)

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The internal structure schematic diagram of UC3907 IC chip

Published:2012/12/13 1:00:00 Author:Ecco | Keyword: internal structure , IC chip

Operating supply voltage range V (10 feet) is 4.5 ~ 35 V; chip has a reference voltage source VREF, and its value relative to ARTIFICIAL GND (6 feet ) is 1.15 V which can output from VREF (7 feet ); ARTIFICIAL GND is the low resistance ground ( ground reference ) of chip, and its level is higher 0.25V than (-) SENSE (4 feet), and the voltage bias provides loop circuit for the the grounded amplifier current, while the voltage sampling negative terminal ( - ) Sense ( i.e. grounded amplifier inverting input terminal ) has a high input impedance.   (View)

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The FM optical receiver circuit diagram

Published:2012/12/13 0:49:00 Author:Ecco | Keyword: FM , optical receiver

This circuit is applied to the pulse rate modulation system. In this system, the transmitter changes the pulse rate of modulated light speed in optical fiber, so that the vertical variation is around the frequency of 50kHz center. L14G2 phototransistor converts modulated light to RF signal to restore the original audio signal.   (View)

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The connection schematic block circuit diagram of UC3907 and external circuit

Published:2012/12/12 3:27:00 Author:Ecco | Keyword: connection , external circuit

Current signal is sampling by an external shunt, RCS is generally connected with return branch in series, and it is sent to current amplifier by pin 2 and pin 3, the output voltage of the power module input uses by 11 feet and 4 feet differential signal, and it is superimposed with circulation.   (View)

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82C250 functional block circuit diagram

Published:2012/12/12 2:58:00 Author:Ecco | Keyword: functional block

Figure 1 shows a functional block diagram between CAN controller and interface circuit 82C250 of physical bus. 82C250 is able to provide differential receive and transmit functions for bus to achieve electrical isolation between each node on the bus, and the maximum transmission rate is up to 1 Mb / s.   (View)

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Solid State Tesla Coil Circuit

Published:2012/12/12 0:20:00 Author:muriel | Keyword: Solid State , Tesla Coil Circuit

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