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Posts tagged Door

Electronics Circuit Refrigerator Door Alarm

Electronics Circuit Refrigerator Door Alarm Parts: R1______________10K 1/4W Resistor R2_____________Photo resistor (any type) R3_______________2M2 1/4W Resistor R4_______________1M 1/4W Resistor C1______________10µF 25V Electrolytic Capacitor C2_____________100nF 63V Polyester Capacitor D1____________1N4148 75V 150mA Diode IC1,IC2_________7555 or TS555CN CMos Timer ICs BZ1___________Piezo sounder B1____________3V Battery

Schematic Diagram hp – MAX2338 Mixer IF SAW Filter Match at 183.6MHz for CDMA

The design and simulation of the impedance match between the MAX2338 mixer stage and a 183.6MHz SAW filter in a CDMA application. The SAW filter S-parameter is used to simulate the interface with the mixer. A worked example is provided with a SAWTEK 855893 SAW filter. An optimum impedance matching circuit between the MAX2338 mixer […]

Is it possible to create an “all-penetrating EYEBEAM”?

SorrY asked: just by looking at an object and querying a database it produces a list of attributes of that object in your “inside window” of the eye – that is an artificial eye transplant that associates existing attributes with defined custom attributes that you can add and delete over time – for example if […]

Circuit diagram 500mW FM PLL transmitter 88-108MHz using LMX3206 – PIC16F870

500mW PLL FM transmitter 88-108MHz This PLL transmitter is controlled and the frequency is very stable and can be programmed digitally. Transmitter will work 88-108 MHz and output power up to 500mW. With a small change can set the frequency of 50-150 MHz. The output power is often set to several watts with transistors. So […]

TDA1521A stereo audio amplifier circuit

TDA1521A stereo audio amplifier circuit TDA1521A stereo audio amplifier circuit which will deliver 15W audio power output on each channel. TDA1521A stereo audio amplifier circuit is a dual hi-fi audio power amplifier encapsulated.

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