lm358 circuit

This circuit illustrates an automatic unattended burglar alarm system designed primarily for residential use, warehouses, and similar applications. The circuit features a pyroelectric infrared sensor integrated with a light control mechanism. It comprises components such as resistors (RG, RP2,...

The TDA2822 is a low-power stereo operational amplifier commonly utilized in Walkman devices and headphones. It is capable of delivering an output power of 250 milliwatts. This operational amplifier is particularly suitable for low-volume production applications and serves as...

Any standard oscillator, such as a Colpitts or Hartley configuration, can be utilized to generate the local oscillator (LO) frequency required by the NE602. The NE602 is a versatile integrated circuit commonly used in radio frequency applications, particularly in mixer...

The adjustable current power supply circuit operates at 6V and 9V, utilizing a minimal number of components, which facilitates easy assembly. The circuit can deliver an adjustable output current of up to 100mA, serving as a suitable alternative to...

The remote control transmitter consists of a DTMF generator and an FM transmitter circuit. A UM91214B phone-specific integrated circuit (IC) is utilized to generate the DTMF signal, with a 3V power supply provided by a 3V zener diode (D1)....

The circuit utilizes a type J RTD (Resistance Temperature Detector), where the resistance value is directly related to the temperature. Calibration of the zero point is facilitated by a 20-ohm adjustment potentiometer as specified by the manufacturer. The schematic features...