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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 […]

Circuit electronics Carrier Oscillator

Carrier oscillator is a crystal controlled oscillator using two numbers of BC548. The circuit does not use any coils or turned circuits. First BC548 is used as oscillator second BC548 is used as buffer. The carrier oscillator frequency is offset by 1.5 KHz above ladder filter (IF) frequency. The carrier oscillator frequency can be varied […]

LM555 Data sheets Timer Current Draws part 1

LM555 Data sheets Timer Current Draws part 1

Making Electronic Circuits Alarm for anti-fire

Making Electronic Circuits Alarm for anti-fire This circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire. When this smoke passes between a bulb and an LDR, the amount of light falling on the LDR decreases. This causes the resistance of LDR to increase […]

NiMH CHARGER Circuit diagram

9V – 12V ENERGY LIGHT CIRCUIT DIAGRAM NiMH CHARGER Circuit diagram using ADM66A 9V – 12V ENERGY LIGHT CIRCUIT DIAGRAM Here is it short electronic schematic circuit diagram description about NiMH CHARGER Circuit diagram for laptop backlight , Li-ion charger , lighting , using ADM66A

tube amplifier Circuit

tube amplifier Circuit using LT1065, EL34, 1N4007, B40C3700, 1N4001

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