CAT3603 is a three channel charge pump LED driver IC from Catalyst Semiconductors that can be operated in either LDO mode or fractional mode. The IC can deliver 30mA per channel and can be operated from an input voltage range of 3 to 5.5V DC. CAT3063 has a quiescent current as low as 0.1uA and this...
Simple Inverter Circuit Diagram
Have you ever wanted to run a TV, stereo or other appliance while on the road or camping? Well, this inverter should solve that problem. It takes 12 VDC and steps it up to 120 VAC. The wattage depends on which tansistors you use for Q1 and Q2, as well as how "big" a transformer you use for T1. The inverter...
Build a 12v to 5v DC high efficiency SMPS buck converter using 34063 IC
This project converts 12v DC to a regulated 5v DC at up to 1.8 amps, suitable for driving a tablet computer from a 12v car battery in a power blackout etc.The circuit for this buck converter is nothing original, basically it is the circuit from the 34063 IC datasheet, and all I did was to use an...
The emission power of five bands of mobile phone jammer
The emission power of five bands of mobile phone jammer can be smoothly adjusted. This phone is in the end how to design and manufactured it? So today we try to use a technical objective perspective, a brief description of the relationship between the structure of the mobile phone design department...
Loudspeaker Protector Monitors Current
This circuit uses a 0.1O 1W resistor connected in series with the output of a power amplifier. When the amplifier is delivering 100W into an 8O load, the resistor will be dissipating 1.25W. The resulting temperature rise is sensed by a thermistor which is thermally bonded to the resistor. The thermistor...
Variable PSU
A variable power supply with adjustable voltage and current outputs made with the L200 regulator. Using the versatile L200 voltage regulator, this power supply has independent voltage and current limits. The mains transformer has a 12volt, 2 amp rated secondary, the primary winding should equal the...
Audio Booster Circuit
Small and portable unit, Can be built on a veroboard The amplifiers gain is nominally 20 dB. Its frequency response is determined primarily by the value of just a few components-primarily C1 and R1. The values of the schematic diagram provide a response of ±3.0 dB from about 120 Hz to better than 20,000...
Hydrophone Booster Amplifier HA2
The HP series Hydrophone Booster Amplifier (HA2) amplifies low-level hydrophone signals over a wide range of frequencies. It has a minimum gain of 25dB and an input and output impedance of 50Ω. The HA2 is designed for use with either Precision Acoustics membrane hydrophone or Precision Acoustics HP...
Luggage Security System
While traveling by a train or bus, we generally lock our luggage using a chain-and-lock arrangement. But, still we are under tension, apprehending that somebody may cut the chain and steal our luggage. Here is a simple circuit to alarm you when somebody tries to cut the chain. Transistor T1 enables...
Audio Level Threshold Control
This circuit was originally designed for use in detecting discharges from individual neurons, where the infrequent discharges are difficult to separate from dominant background noise. It may also prove useful in other applications that need to detect infrequent low-level audio signals against a noisy...
L200 VOLTAGE REGULATOR SOFT START MECHANISM ELECTRONIC DIAGRAM
L200 VOLTAGE REGULATOR SOFT START MECHANISM ELECTRONIC DIAGRAMThe Vo follows the voltage at pin 2 at less than 0.45 V since a voltage of more than 0.45 V cannot be produced between pins 5 and pins 2.Constant current ic is charge capacitor C, whereic= Vsc/RAfter the time ton, the output reaches it’s...
12 V Bidirectional Motor Control Circuit
This simple circuit drives DC motors with a maximum current of 1 A and can be built with readily available components.The output voltage is adjustable between 0 and 14 V and the polarity can be changed so that not only motor speed but also rotation direction can be adjusted by turning a knob. The circuit...
Pills Reminder
4 - 6 - 8 - 12 - 24 - 48 hours setting LED or Beep Alert - 9V Battery Supply Circuit purpose: A Pills Reminder is a device that operates a flashing LED (and/or a beeper) at a fixed hour interval. A choice of time-intervals as wide as possible is available with this circuit, namely 4, 6, 8, 12, 24...
Broken Charger Connection Alarm
Detects if a device is not properly connected to its supply Suitable for battery chargers, portable appliance supplies etc.The above circuit can be useful to detect if the load of any battery charger or plug-in adapter supply is not properly connected. The load can be a set of batteries to be charged...
1994 Lumina APV Van Wiring Diagram
1994 Lumina APV Van Wiring DiagramThe Part of 1994 Lumina APV Van Wiring Diagram: camshaft position sensor, hall effect, sensor ground,amplifier, instrument cluster, red wire, bypass switch, control reference, ignition module control, electronic ignition module, powertrain control module, spark reference...
I O Experimenter Board PCB Version
If you are tired of connecting the same I/O devices every time you prototype a new project then this board could save you a lot of time. All the necessary pins of the devices on the board are accessible through headers that allows easy connection of the board to a breadboard circuit or other development...
LV8741V PWM Stepping Motor
Using the LV8741V PWM stepping motor driver IC can be designed a very simple and efficiency DC motor driver electronic project . As you can see in the circuit diagram , this electronic project require few external electronic parts . The maximum output current that can be provided by this PWM current-control...
Headphone Amplifier with IR Communication
This low cost project can be used to reproduce an audio from TV without creating any disturbance from other people. No wire will be used by the circuit between the TV and the headphone because instead of using wires, it utilizes the invisible infrared light for the transmission of audio signals from...
Battery Charger Using LTC4078
Using the LTC4078 standalone linear charger circuit you can design a very simple single-cell battery charger circuit for Li-Ion Li-Polymer battery . This LTC4078 battery charger circuit works from both wall adapter and USB inputs. This charger can detect power at the inputs and automatically select...
Automatic Loudness Control Circuit
This is a simple design for automatic loudness control in audio. A simple approach to this problem can be done inserting a circuit in the preamplifier stage, capable of varying automatically the frequency response of the entire audio chain in respect to the position of the control knob, in order to...
1995 Volvo 850 Turbo Replacing the Radiator Fan Belt on the 1995 Volvo 850 Turbo
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 ...
Bipolar Power supply for Battery Instruments Circuit Diagram
Bipolar Power supply for Battery Instruments Circuit Diagram. To generate regulated ± 5-V supplies from a pair of dry batteries, the circuit of Fig. 1 is commonly used. In order to give protection from inadvertent reverse connection of a battery, a diode in series with each battery would produce...
Drawing Software Building Wire Diagrams Ladder Diagrams
Drawing Cad Software For Building Wire Diagrams And Ladder Diagrams.Wiring Diagram Software Download The Best Free.Windows Xp 2000.Volvo Wds Wiring Diagram Service Repair Manual Ecufactory Com.Software Busch Script Lettering Software Installation And Operating.Wiring Diagram Software.Related...
78S09 9 Volt 2 Amp Power Supply
All the work is done by the regulator. The 78S09 can deliver up to 2 amps continuous output whilst maintaining a low noise and very well regulated supply. The circuit will work without the extra components, but for reverse polarity protection a 1N5400 diode is provided at the input, extra...
Sub Woofer and Controller Rise
Sub woofers are popular, with home theater being of the driving forces. However, a nice sub adds considerably to normal hi-fi program material, & so if it is predictable & has nice response characteristics. all of sub woofers use a immense speaker driver in a immense box, with tuning vents...
