SIT8208AI-83-18E-16.369000T

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Oscillators

Oscillators are electronic devices designed to produce a waveform at a certain frequency. Generally, they use either an electronic circuit or an acoustical one. The use of oscillators enables us to generate a frequency of our choice, often in the range of a few kHz to several GHz. The SIT8208AI-83-18E-16.369000T is a voltage-controlled oscillator (VCO) with a specified frequency for use in PCM-based communications systems and subsystems.

The SIT8208AI-83-18E-16.369000T is a type of voltage-controlled oscillator, which is a type of oscillator whose frequency is dependent on the applied voltage. This type of oscillator is typically found in modern computers and other controllers and is used for precise timing signals. Its application field is wide, from terrestrial radar systems to satellite communications.

The SIT8208AI-83-18E-16.369000T has a wide range of operation frequencies, up to 3.369GHz. The frequency of operation can be controlled by applying an analog voltage on the oscillator\'s pin #7 while its other pins are connected to ground. This type of oscillator is typically used in PCM communication systems due to its high frequency range.

The working principle of the SIT8208AI-83-18E-16.369000T is based on the tunnel diode, a semiconductor device with negative resistance, implying that at certain values of voltage and/or current, the device will change its output current. This feature of the tunnel diode makes it an ideal component in oscillators. In the tunnel diode oscillator configuration, the tunnel diode is connected between the oscillator feedback network and the oscillator output. When a bias voltage is applied to the tunnel diode, the resistance of the junction in the diode will lower, decreasing the amount of gain in the feedback loop. This causes the oscillator to enter an oscillating state, and the frequency of oscillation is proportional to the applied bias voltage.

For the SIT8208AI-83-18E-16.369000T, the bias voltage can be varied from 0.7 volts up to 6.0 volts. Changing the external bias voltage will result in a change of the oscillator\'s frequency, making it a programmable voltage-controlled oscillator (PVCO). Since the tuning range of the oscillator is wide, its application field is also wide, from radar systems to satellite communication.

To conclude, the SIT8208AI-83-18E-16.369000T is a voltage-controlled oscillator (VCO) with a specified frequency that can be adjusted by an external voltage. Its application field is wide and ranges from terrestrial radar systems to satellite communications. Its working principle is based on the tunnel diode and on the concept of negative resistance.

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