SIT1602BC-13-30S-74.175824D

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Oscillators are electronic circuits that generate a periodic waveform, often a sine wave or square wave. SIT1602BC-13-30S-74.175824D is an oscillator created to provide a high-stability signal reference for various communication transmitter applications. It is basically a voltage controlled oscillator (VCO) with a temperature compensated reference oscillator (TCXO) and frequency synthesizer integrated combined with an amplifier.

The SIT1602BC-13-30S-74.175824D operating frequency range is 13-30MHz, with a stability level of ±6.0PPM or less across the temperature range of -40~85°C. This oscillator has a high immunity to the influence of shock, vibration, surface mount technology SMT and reflow process.

The structure of SIT1602BC-13-30S-74.175824D consists of a VCO, a frequency divider, a temperature-compensated TCXO and an amplifier. The VCO is based on a Gilbert cell topology and uses a reference oscillator normally set at 10MHz as the reference frequency. The frequency divider divides the reference oscillator signal into a stabilizing frequency. This stabilizing frequency is provided to the VCO, thereby preventing fluctuations in the VCO output frequency.

The VCO is usually designed to begin oscillation at a frequency lower than the target oscillation frequency. A voltage-controlled tuning device, such as a varactor diode, is incorporated within the VCO circuit to raise the VCO oscillation frequency to the target frequency. The output of the VCO is then fed into the frequency divider. The output of the frequency divider is then compared with the reference frequency, and the difference is used to control a voltage-controlled oscillator (VCO) to adjust the VCO frequency up or down and an amplifier also known as phase locked loop which carries out this adjustment.

The SIT1602BC-13-30S-74.175824D has been designed to provide a cost-effective, low power signal reference for high stability applications. It can be used in various communication systems, such as Global Positioning System (GPS) receivers, cellular base stations, digital receivers, and more. The device is especially useful in base stations with multiple antennas used for improved accuracy of signal processing.

With its high stability and low power consumption, SIT1602BC-13-30S-74.175824D is suitable for use in a variety of communication applications. Its internal frequency synthesizer allows for a broad operating frequency range and eliminates the need for external frequency dividers. Its temperature compensation capabilities provide stable performance over a wide temperature range, making it an ideal choice for applications where environmental conditions vary.

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