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All inputs are compatible with TTL. Each output consists of a complete totem pole driver circuit, utilizing Darlington transistors and pseudo-Darlington sources. The driver enable signals, labeled as 1,2 EN and 3,4 EN, control the activation of drivers 1...
The following circuit illustrates a Wireless Car Alarm Circuit Schematic Diagram. Features include the ability to detect sounds within a 20-meter radius, a 1/16 wavelength antenna, and the capability to transmit radio signals up to 2 kilometers. Q1 serves...
IC1-c functions as a non-inverting comparator, while IC1-a operates as an inverting comparator. Potentiometer R1 and fixed resistors R2 and R3 create a voltage divider chain that provides slightly different voltages to the two comparators. These voltages establish the...
The DTMF infrared remote control circuit utilizes a DTMF encoded signal that can be decoded by a specialized decoder and the PLL audio decoder LM567. However, a DTMF encoded signal decoded by a single decoder yields only one frequency....
A bridge input circuit utilizing a phototransistor BPY62 and a power operational amplifier is capable of controlling power loads up to 8.5 kW. It features a voltage divider composed of two 10 kΩ resistors, creating a midpoint connection. The...
555 timer circuits LM555 - Astable Oscillator Calculator, Capacitor Calculator, Basic Circuits for the LM555 Timer, Triggering and Timing Helpers for Monostable Timers, Controlling Circuits for LM555 Timers, Advanced Circuits for the LM555 Timer, LM556 Timers with Complementary or...
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