SIT1602BI-11-18E-40.500000E

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Oscillators are circuits that produce continuous output signals in the form of steady electromagnetic waves or periodic electrical signals, with accuracies up to or exceeding 1 ppm.

SIT1602BI-11-18E-40.500000E is an exemplary oscillator belonging to this class of devices. It is a temperature compensated crystal oscillator (TCXO), with an output frequency of 40.500000 MHz and a frequency stability of ±1.0 ppm at temperatures varying from -20°C to +127°C.

The oscillator is constructed around the direct-drive attitude of a highly frequency-stable crystal element. It also has the harmonic suppressing circuit which provides harmonic suppression to meet the fundamental-only-output requirements for most of the modern communications systems. In addition, its thermal compensation circuit has been developed to prevent aging and ambient temperature effects.

SIT1602BI-11-18E-40.500000E is typically used in well-controlled radio networks, such as those using WiMAX or other wide area networking standards, where accuracy in timing and synchronization are critical. The oscillator can provide an electrical signal with high accuracy, even in variable temperatures and under varying temperature gradients. It has also been used in air-ground communication systems, navigation systems, broadcast radio systems, cellular base station systems, and other equipment requiring precise and repeatable timing.

The working principle behind the SIT1602BI-11-18E-40.500000E oscillator is based on the use of the crystal element. The crystal element generates an electrical signal with the frequency of the crystal in response to a current fed into its electrodes. This current in turn is generated by the amplifier circuit used in the TCXO. The amplifier stabilizes the frequency of the output signal from the crystal element by controlling the magnitude and direction of the current.

The thermal compensation circuit, on the other hand, acts to stabilize the output signal from the crystal element even in the presence of temperature variations. It uses special capacitors to maintain a constant level of capacitance in the oscillator circuits. This helps to keep the oscillator’s output frequency and amplitude unchanged even under changing temperature conditions.

SIT1602BI-11-18E-40.500000E thus offers excellent stability and accuracy in frequency over various temperatures. Its harmonic suppressing circuitry and thermal compensation mechanisms make it ideal for applications where precision and accuracy are required.

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