Showing posts with label diagram. Show all posts
Showing posts with label diagram. Show all posts
Tuesday, December 24, 2013
Super Universal Battery Charger Circuit Diagram
The Super Universal Battery Charger Circuit Diagram output voltage is adjustable and regulated, and has an adjustable constant-current charging circuit that makes it easy to use with most NiCad batteries. The charger can charge a single cell or a number of series-conoected cells up to a maximum of 18 V.
Power transistors Ql and Q2 are conoected as series regulators to control the battery charger`s output voltage and charge-current rate. An LM317 adjustable voltage regulator supplies the drive signal to the bases of power transistors Ql and Q2. Potentiometer R9 sets the output-voltage level. A current-sampling resistor, R8 (a 0.1-!J, 5-W unit), is conoected between the negative output lead and circuit ground. For each amp of charging that flows through R8, a 100 mV output is developed across it.
The voltage developed across RS is fed to one input of comparator U3. The other input of the comparator is connected to variable resistor RIO. As the charging voltage across the battery begins to drop, the current through RS decreases. Then the voltage feeding pin 5 of U3 decreases, and the comparator output follows, turning Q3 back off, which completes the signal`s circular path to regulate the battery`s charging current. The charging current can be set by adjusting RlO for the desired current. The circuit`s output voltage is set by R9.
Super Universal Battery Charger Circuit Diagram
Saturday, December 21, 2013
Build a Inexpensive Isolation Transformer Circuit Diagram
Build a Inexpensive Isolation Transformer Impromptus Setup Circuit Diagram. Using two 12-V filament or power transformers, an impromptu isolation transformer can be made for low-power (under 50 W) use in testing or servicing. SOI is an ordinary, duplex ac recept-able. Use heavy-wire connections between the 12-V windings because several amperes can flow.
Inexpensive Isolation Transformer Circuit Diagram
Monday, October 7, 2013
14W CLASS A AMPLIFIER USING 2N3055 ELECTRONIC DIAGRAM
14W CLASS A AMPLIFIER USING 2N3055 ELECTRONIC DIAGRAM
Why Class A ? Because , when biased to class A, the transistors are always turned on, always ready to respond instantaneously to an input signal. Class B and Class AB output stages require a microsecond or more to turn on. The Class A operation permits cleaner operation under the high-current slewing conditions that occur when transient audio signal are fed difficult loads. His amplifier is basically simple, as can be seen from the block diagram.
Friday, October 4, 2013
Video Tracer Circuit Diagram
This circuit was designed as an aid to installers and maintainers of video systems. It is basically a video sync separator (IC1) followed by a LED and buzzer driver (IC2, Q1 & Q2). In use, the device is connected to a video cable and if there is video present, the LED will flash at about 10Hz. If there is no video, the LED flashes briefly every couple of seconds. A buzzer can also be switched in to provide an audible indication. The buzzer is particularly useful when tracing cabling faults or trying to find a correct cable amongst many, where it is difficult to keep an eye on the LED.
Another use for the buzzer option is to provide a video fault indication. For example, it could be inserted in bridging mode, with switch S1 in high impedance mode (position 2) across a video line and set to alarm when there is no video present. If someone pulls out a cable or the video source is powered off, the alarm would sound. IC1 is a standard LM1881 video sync separator circuit and 75Ω termination can be switched in or out with switch S1a. The other pole of the switch, S1b, turns on the power. The composite sync output at pin 1 is low with no video input and it pulses high when composite sync is detected.
Circuit diagram:
These pulses charge a 100nF capacitor via diode D1. When there is no video at the input, oscillator IC2b is enabled and provides a short pulse every couple of seconds to flash the LED. The duty cycle is altered by including D2, so that the discharge time for the 10μF capacitor is much shorter than the charge time. The short LED pulse is used as a power-on indicator drawing minimal average current. When video is present at the input, IC2b is disabled and IC2d is enabled. The output of IC2d provides a 10Hz square wave signal to flash the LED. The buzzer is controlled by switch S2. In position 2 the buzzer will sound when there is video at the input and in position 1 the buzzer will sound when there is no video at the input.
Author: Leon Williams - Copyright: Silicon Chip Electronics
Thursday, October 3, 2013
1993 VW Passat Electrical Circuit Diagram
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| 1993 VW Passat Electrical Circuit Diagram |
The Part of 1993 VW Passat Electrical Circuit Diagram: automatic control unit, fuse/relay panel and
emergency lights, fuse/relay panel and fresh air blower switch, Engine control module and ignition coil, console switch, power windows, ABS control unit and ABS hydraulic unit, fuse relay panel and instrument cluster, and taillight, fuse/relay panel and headlight switch, automatic sol, fuse/relay panel and ignition switch, Engine control module.
emergency lights, fuse/relay panel and fresh air blower switch, Engine control module and ignition coil, console switch, power windows, ABS control unit and ABS hydraulic unit, fuse relay panel and instrument cluster, and taillight, fuse/relay panel and headlight switch, automatic sol, fuse/relay panel and ignition switch, Engine control module.
Tuesday, October 1, 2013
Fuse Box BMW 318i 1991 Diagram
Fuse Box BMW 318i 1991 Diagram - Here are new post for Fuse Box BMW 318i 1991 Diagram.
Fuse Panel Layout Diagram Parts: seat heating, high beam headlight, auxiliary fan, sliding roof, flashing turn indicator, mirror control, wiper, washer, horn, brake light, cruise control, heated rear window, GLOVEBOX, LUGGAGE COMPARTMENT LIGHT, ON BOARD COMPUTER.instruments, on board computer, reversing light, fuel supply pump, radio, check control and instrument, fog light, fog light, cigar lighter, central locking, door lock heating, hazard warning flasher, parking light, license plate light.
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Fuse Box BMW 318i 1991 Diagram
Fuse Panel Layout Diagram Parts: seat heating, high beam headlight, auxiliary fan, sliding roof, flashing turn indicator, mirror control, wiper, washer, horn, brake light, cruise control, heated rear window, GLOVEBOX, LUGGAGE COMPARTMENT LIGHT, ON BOARD COMPUTER.instruments, on board computer, reversing light, fuel supply pump, radio, check control and instrument, fog light, fog light, cigar lighter, central locking, door lock heating, hazard warning flasher, parking light, license plate light.
Monday, September 23, 2013
IR Remote Control Tester Circuit Diagram
Here’s a simple, low cost, and easy to construct infrared remote control tester. The tester is built around an easily available infrared receiver module (TSOP 1238).
Circuit Diagram:
IR Remote Control Tester Circuit Diagram
Normally, data output pin 3 of the IR receiver module is at a high level (5 volts)and as such driver transistor T1 is in cut-off state. Whenever the IR receiver module receives a valid (modulated) infrared signal, its data output pin goes low in synchronism with the received infrared bursts. As a result, transistor T1 conducts during negative pulse period and the.LED blinks to indicate reception of signals from the remote such as TV remote control. A miniature active buzzer is connected at the collector of transistor T1 for audio indication.
The 5V DC for energizing the circuit is directly derived from the 230V AC mains supply. Unlike the conventional resistive voltage divider, a capacitive potential divider is used here, which does not radiate any heat and makes the tester quite compact. Another advantage of this tester is no false triggering due to the ambient light or electronic ballast-operated tubelights. A suggested enclosure for the circuit is shown in Fig. 2.
Author : T.K. Hareendran : Copyright :Electronics For You September 2002
Sunday, September 22, 2013
SCAN TOOL OBD II INTREPRETER MODULE ELACTRONIC DIAGRAM
SCAN TOOL OBD-II INTREPRETER MODULE ELACTRONIC DIAGRAM
The interface is fully compatible with the popular ELM327 command set and supports all legislated OBD-II communication protocols, as well as the heavy-duty SAE J1939. It features automatic protocol detection, a large memory buffer, a UART interface capable of speeds of up to 10 Mbps, and a bootloader for easy firmware updates. The microOBD draws less than 1 mA in Standby mode, which makes it suitable for permanent in-vehicle installations. The host can force the module to enter the lowpower state by sending it an explicit “sleep” command or pulling the digital “host present” pin low. The module can also put itself in Standby automatically on UART inactivity or by sensing that the engine is off. Typical applications include diagnostic scan tools, code readers, data loggers, digital dashboards, fleet management, and vehicle tracking.
Saturday, September 21, 2013
Fuse Box BMW 318is 1994 Diagram
Fuse Box BMW 318is 1994 Diagram - Here are new post for Fuse Box BMW 318is 1994 Diagram.
Fuse Panel Layout Diagram Parts: comfort relay, crash control module, park ventilation relay, transmitter, receiver module.
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Fuse Box BMW 318is 1994 Diagram
Fuse Panel Layout Diagram Parts: comfort relay, crash control module, park ventilation relay, transmitter, receiver module.
Friday, September 20, 2013
Fuse Box BMW 2000 328i Engine Compartment Diagram
Fuse Box BMW 2000 328i Engine Compartment Diagram - Here are new post for Fuse Box BMW 2000 328i Engine Compartment Diagram.
Fuse Panel Layout Diagram Parts: interior light, light module, make up mirror light, navigation, on board computer, outside mirror, parking aid, passenger compartment, radio, rain sensor, rear wiper, roller sun blind, secondary air pump, side airbag, socket, speed control, starter interlock, telephone, trailer coupling, window lift, windscreen washer.
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Fuse Box BMW 2000 328i Engine Compartment Diagram
Fuse Panel Layout Diagram Parts: interior light, light module, make up mirror light, navigation, on board computer, outside mirror, parking aid, passenger compartment, radio, rain sensor, rear wiper, roller sun blind, secondary air pump, side airbag, socket, speed control, starter interlock, telephone, trailer coupling, window lift, windscreen washer.
Wednesday, September 11, 2013
Switch ON OFF Touch or with Push Button Circuit Diagram
Here we have three choices, with which we can make electronic switches that use our touch or pressing (push button). We thus exploit the very big resistance of entry, that present the gates CMOS. In the fig.1 we have two gates NAND or NOR (IC1), connected as R-S flip-flop. Just as we press the switch S1, the exit 3 it becomes [H], even it is maintained in this situation.
To change the situation, it should we press switch S2. Now exit 3, takes price (L), reversely exit 4 becomes (H). In order to we maintain the situation that we want, we can connect at parallel with the corresponding switch, a capacitor C=100nF. This entry will always drive the corresponding exit to logic (L), immediately afterwards the benefit of supply to the circuit.
Switch ON-OFF Touch or with Push Button Schematic
To change the situation, it should we press switch S2. Now exit 3, takes price (L), reversely exit 4 becomes (H). In order to we maintain the situation that we want, we can connect at parallel with the corresponding switch, a capacitor C=100nF. This entry will always drive the corresponding exit to logic (L), immediately afterwards the benefit of supply to the circuit.
Switch ON-OFF Touch or with Push Button Schematic
In the fig. 2, we have a circuit of inverter CMOS, in the entry of which is applied logic situation (H), from the resistance R, which the other end of, is in the supply. Exit 2 has situation (L).
When we press switch S2, in the entry of 3 IC2, we have situation (L), this it goes to the ground, the exit now becomes (H). This situations are maintained as long as we keep pressed switch S2 and they change immediately hardly the touch. If we want opposite logic operation then it will be supposed we connect the resistance R, in the ground and switch S2, in the supply. The same logic we will have if we replace gate IC2, with a gate NAND or NOR, as it appears in the fig. 3, the result is the himself.
Because the situation in the case of fig.1 and 3, does not remain constant and change when we pull our finger , in order to him we retain, it should we connect a J-K or D flip-flop as T, after the IC2 and IC3. Thus the flip-flop, will change situation, each time where we will touch the switch or will touch the contacts and him it will retain.
All the switches can be replaced with contacts, it is enough we replace also resistances R with the price of 10MΩ. The Resistances R when we use pressing switches can are, from 100KΩ until 1MΩ. Because when we use contacts instead of switches, the noise can turn on the gates of fig. 2 and 3, then can place a capacitor 100nF, parallel with the contacts.[via]
Monday, August 5, 2013
Overload Speaker Protection Circuit Diagram
Overload Speaker Protection Circuit Diagram input is taken from the terminal loudspeaker or amplifier output jacks. If the right channel is large enough to charge C1 to a potential which exceeds the breakdown voltage of the emitter of Ql, a voltage pulse appears in R7. Similarly, if the left channel signal is large enough to charge C2 to a voltage that is greater than the breakdown voltage of the emitter of Q2 `, a pulse appears in R7. The pulse triggers in R7 5CRI. A door sensitive SCR (LGT less than 15 RNA or IGT is the gate-trigger current) that locks in a conducting state and energizes Ryl. The action of the relay will interrupt the speaker circuit. and silence follows you must alert on the problem.
Overload Speaker Protection Circuit Diagram
Reduce the volume on your amplifier, then press and release 51 to reset the circuit and restore normal operation. The circuit can be set to go off at any level of 15 watts RMS to 150. To calibrate . deliberately over-power signal at the entrance of the right speaker protection and adjust R3 until RY1 boosts. Do the same with the left channel, this time adjusting R4. The circuit is now calibrated and ready employment.
Saturday, August 3, 2013
MOUSE REPELLENT ELECTRONIC CIRCUIT DIAGRAM
MOUSE REPELLENT ELECTRONIC CIRCUIT DIAGRAM
When the circuit at its close state, the IC will control the buzzer time using the resistor and capacitor. The buzzer sounds like alarm in the different frequencies.
- Resistor R1 : 1.8k ohm
- Resistor R2 : 1k ohm
- Resistor R3 : 5.6k ohm
- Resistor R4 : 480 ohm
- Capacitor C1 : 2.2 nF
- Polar Capacitor C2 : 0.022uF/6V
- IC1 timer : NE555
- Speaker SP1 : Tweeter 8 ohm
- Power supply : 5V
Wednesday, July 31, 2013
Bazooka Subwoofer Wiring Diagram
Subwoofer Wiring Diagrams Hip Hop Universe.
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Monday, July 29, 2013
Toyota 4runner Hilux Surf Wiring Diagram Electrical System Circuit
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Friday, July 5, 2013
Simple 600W Audio Amplifier Circuit Diagram
The 600W Audio Amplifier Circuit Diagram is based around {LM4702}manufactured by NATIONAL semiconductors&{MJ11029-MJ11028} by ON semiconductors It is a high fidelity audio power amplifier. Designed for demanding consumer and pro-audio applications. You can also use this circuit with AV receivers, Audiophile power amps, Pro Audio High voltage industrial applications etc Amplifier output power maybe scaled by changing the supply voltage and number of output devices. The circuit includes thermal shutdown circuitry that activates when the die temperature exceeds 150°c. CIRCUIT’s mute function, when activated, mutes the input drive signal and forces the amplifier output to a quiescent state.
Simple 600W Audio Amplifier Circuit Diagram
Power:
Maximum Output power @ 8ohms : 300watt
Absolute max power supply voltage :±38V to ±40V
Recommended power supply voltage :±30V to ±35V
Maximum Output power @ 8ohms : 300watt
Absolute max power supply voltage :±38V to ±40V
Recommended power supply voltage :±30V to ±35V
Sunday, June 2, 2013
2003 Toyota Matrix Wiring Diagram Electrical System Troubleshooting
About 1995 Chevrolet Tahoe Blazer Electrical Wiring Diagram.
Kenwood Kna Dv3100 Dvd Navigation System Wiring Harness Diagram.
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Friday, April 12, 2013
1997 Chevy 2500 Pick Up 5 7l engin Wiring Diagram
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| 1997 chevy 2500 pick up 5.7l engin Wiring Diagram |
The Part of 1997 chevy 2500 pick up 5.7l engin Wiring Diagram: fuel pump oil pressure switch, fuel
pump prime connector, power distribution cell, fuel pump and sender, dual tanks, fuel pump balance relay, vahicle control module, underhood fuse relay, ECM fuse.
pump prime connector, power distribution cell, fuel pump and sender, dual tanks, fuel pump balance relay, vahicle control module, underhood fuse relay, ECM fuse.
Saturday, April 6, 2013
Cat5 Wiring Diagram
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