595CH44M7360DG

Oscillators

Oscillators are a class of electronic and circuit modules that produce a regular, repetitive and alternating signal waveform that is inexhaustibly useful in both electronic and digital common applications. Designed for short signal pulse generation or steady-state signal waveforms, oscillators can be so tuned and adjusted to precisely match specific frequency ranges. They are important in many areas, such as data transfer and transmission, and for wireless communication in remote and mobile sensing systems.

595CH44M7360DG Application Field and Working Principle

The 595CH44M7360DG is a high precision oscillator designed to generate a stable clock signal of frequency 44.7KHz to 60MHz. This oscillator is used in a wide range of applications such as temperature, frequency, pressure, signal generation, and test equipment. Its main feature is its wide frequency range and small size. The circuit design offers low power dissipation, miniature size, fewer components, and high frequency stability.

The 595CH44M7360DG oscillator circuit is composed of an input inverting terminal, a voltage control terminal, an output terminal, and a feedback resistor (RF). It uses two operational amplifiers as a “butterfly” configuration to generate the sine wave output. The operational amplifiers use a frequency-compensation technique that holds the circuit’s peak-to-peak output relatively flat over the frequency range of operations.

The first operational amplifier’s non-inverting input is connected to a resistor-capacitor network. The capacitor is adjusted through the voltage control terminal, so that the required frequency is set. The output of the first operational amplifier is connected to the inverting input, thereby forming a positive feedback loop. This causes the oscillator to start oscillating and generating a signal of the given frequency. The signal is then transferred to the output terminal.

The second operational amplifier amplifies the signal and sends it out to the other two terminals (VCT and RF). The VCT terminal charges the capacitor in the frequency-determining network whereas the RF terminal is connected to a resistor that sets the oscillator’s frequency. The combination of the two terminals determine the output frequency of the oscillator.

The 595CH44M7360DG oscillator is ideal for applications where size and power dissipation are of the essence. The wide frequency range makes it suitable for controlling and/or monitoring the tiniest of signal changes, while the impedance controlled frequency range ensures reliable operation on diverse operating voltages.