525R-11LF

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The 525R-11LF is a stationary frequency synthesizer which is designed for numerical control applications. It is a compact, low-cost, and low-power device with a highly reliable design that enables robust and dependable operation in industrial, military, and space applications. The 525R-11LF provides a single stabilized clock output, which is derived from a reference frequency source. This reference frequency source is typically a fixed frequency crystal oscillator, although other frequency sources could be used. The frequency of the output signal can be adjusted over a wide range, from DC to 500MHz, with the setting determined by voltage controlled current source integrated into the device.

The 525R-11LF is also a low-power device, operating at a typical supply current of only 10mA and achieving a power dissipation as low as 7mW. It also incorporates an internal temperature compensated reference circuit to provide accurate and stable output frequency when operated over a wide range of environmental conditions. The circuit also provides excellent immunity to reference frequency jitter, temperature and supply voltage effects, making it ideal for applications where accuracy and reliability is essential.

The 525R-11LF consists of three main blocks. The first is a voltage controlled crystal oscillator (VCXO) that is used as the reference frequency source. The VCXO is used to provide a highly stable reference frequency and is typically a quartz crystal oscillator or some other type of frequency-stabilized oscillator. The second is a voltage-controlled amplifier (VCA) that provides the actual frequency control of the synthesizer. The VCA is used to control the magnitude of the output signal frequency and can be adjusted using voltage control signals. Finally, the last block is an output amplifier board that provides isolation between the synthesizer and the output frequency. This board is used to provide isolation between the VCXO, the VCA, and the output frequency.

The 525R-11LF is primarily used in military and industrial applications requiring low-frequency outputs that are highly adjustable and accurate. It is designed to provide reliable and repeatable operation in harsh environments, making it ideal for applications involving harsh radiation, extreme temperatures and varying supply voltages. The device also provides immunity from jitter, temperature and supply voltage effects, thus ensuring a reliable output. The 525R-11LF is also designed for use in time and frequency control applications, including timing systems for telecommunications, base stations, and meter readings. Other applications include frequency synthesizers for radio receivers and communication links.

In conclusion, the 525R-11LF is a robust, low-cost, and low-power frequency synthesizer which is ideal for applications requiring a high degree of frequency accuracy and stability. It is particularly well-suited for military and industrial applications in harsh environments, and is also suitable for use in communications and other timing applications. The device offers excellent immunity to reference frequency jitter, temperature and supply voltage effects, and incorporates an internal temperature compensated reference circuit to ensure accurate and stable output frequency. Thus, the 525R-11LF is an ideal choice for a wide range of clock and time control applications.

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