Electronics Circuit Diagram

Below schematic illustrates a Low Power Supply Op Amp Circuit using LM101A for IC Testing. The LM101A series are general purpose operational amplifiers featuring 3 mV maximum offset voltage, 100 nA maximum input current, 20 nA maximum offset current. It is also guaranteed over a temperature range of -55°C to +125°C.

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This servo system controller is designed to control a servo motor remotely. The heart of this device is NE544 Servo Amplifier and 555 Timer. The servo system controller receive a control signal that represents a desired output position of the servo shaft. Below schematic illustrates the Servo System Controller Circuit Diagram using NE544 Servo Amplifier.

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Below schematic depicts Simple Sound Trigger Circuit Diagram using 2N2222. The microphone is a piezoelectric buzzer element such as #273-073 available from Radio Shack. According to jonbeard.com, sound trigger is a very simple device that emits an electrical charge when it detects a loud noise.

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Simple Track Detector Circuit Diagram using NE556 IC. This Track Detector circuit design uses an Infrared LED Emitter and Photo Transistor Detector to sense movement of traffic on a track. The NE556 timer consists of two voltage comparators, a bistable flip-flop, a discharge transistor, and a resistor divider network.

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Here is circuit design of a Simple DC to DC Converter Circuit Diagram using DS3906 and MAX5025 IC. The output voltage, VOUT, is determined by the ratio of fixed resistors R1 and R2. The MAX5025 IC are capable of generating low-noise, high output voltages required for varactor diode biasing in TV tuners, set-top boxes, and PCI cable modems.

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