SA5217D/01,112

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Linear - Amplifiers - Special Purpose

The SA5217D/01,112 is a linear amplifier that is considered special purpose because of its dedicated applications. This type of amplifiers is used in RF signal amplification at UHF frequencies and is a popular choice for both commercial and military applications. It is designed to provide low frequency and wideband operation to give access to a wide range of signal types. This amplifier also offers signal-to-noise ratio that is both stable and reliable.

Applications

The SA5217D/01,112 is designed to be used in a wide variety of applications in the UHF field, including communications systems, direct connection of A/D and D/A converters, signal processing, signal transmission, and frequency synthesis. This amplifier also works well for signal reception and signal tracking. Additionally, this amplifier has found applications in a wide range of military systems for signal processing and transmission. These applications include missile guidance, tracking, and control systems, radar systems, and electronic warfare systems.

Working Principle

The SA5217D/01,112 is a two-stage, direct coupled, DC-coupled amplifier with a single-ended input and output. The input and output resistors are used to terminate the signal connections. The amplifier is designed to produce a wide bandwidth over a wide range of frequencies, with diminishing gain at higher frequencies. The first stage is designed to give a high gain at low frequencies, while the second stage is designed to give maximum gain at high frequencies and a high stability factor.

The first stage and the second stage operate with different biasing voltages, which control the operating points of the amplifier. The gate bias voltage, and the emitter supply voltage are set to provide the desired gain and stability. The resistor network that connects the input and output of the amplifier to the external circuit is used to suppress noise and provide instability protection.

The two operating points of the amplifier are set to temperature by the offset trim circuit. This circuit also allows for manual adjustment of the gain. The oscillator at the output of the amplifier is used to provide low frequency stabilization and to suppress spurious signals. The amplifier is designed to operate from a single power supply, with a voltage range of 6 to 24V.

Conclusion

The SA5217D/01,112 is a special purpose amplifier designed for use in RF signal amplification at UHF frequencies. It has found applications in both commercial and military systems, and is designed to provide low frequency and wideband operation. The amplifier is designed to give a high gain at low frequencies, while the second stage provides maximum gain at high frequencies and stability. The offset trim circuit allows for manual adjustment of the gain, and the oscillator at the output is used to provide low frequency stabilization and to suppress spurious signals.

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