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Description:

The ADMV4530ACCZ from ADI is a highly integrated upconverter with a in-phase/orthogonal mixer ideal for next generation Ka-band satellite communications.

The integrated low-phase noise, fractional N-division phase-locked loop, and voltage-controlled shaker and internal doubler generate the necessary on-chip local oscillator signal for the I/Q mixer without the need for external frequency synthesis. The VCO uses an internal automatic calibration routine so that the phase-locked loop can select the necessary Settings and lock in about 100 seconds.

The single-ended reference input of the phase-locked loop operates at frequencies up to 500 MHz and employs an internal reference divider and frequency multiplier for greater flexibility. In addition, comparison frequencies of phase frequency detectors can be up to 250 MHz and 160 MHz.

The upconverter contains an I/Q mixer that can operate in both I/Q mode with a bandwidth of 500 MHz and IF mode with a bandwidth of up to 3 GHz, enabling a variety of RF architectures and backward compatibility with legacy systems.

The gain and variable attenuation stage follow the I/Q mixer. This configuration enables a minimum 1dB compression point of 19 dBm, P1dB, eliminating the need for an external gain stage.

ADMV4530ACCZ block diagram:

Applications:

Satellite communication

Point-to-point microwave communication

Features:

Rf output frequency range: 27GHz to 31GHz

Two upturn conversion modes

Direct up-conversion from differential baseband I/Q (I/Q mode)

Single upper sideband conversion

1 dB bandwidth: 500 MHz (I/Q mode)

Input frequency range: 2GHz to 3GHz (IF mode)

Matched 50Ω single-ended RF output

Matched 50Ω single-ended IF input

Programmable baseband I/Q common mode voltage

Sideband suppression and carrier feedthrough optimization

Combined RF and IF gain dynamic range: 70dB

Programmable automatic IF gain control

Can be programmed via 3-wire or 4-wire SPI

Operating temperature range: -40 °C to +85 °C

40 pin, 6 mm x 6 mm LGA package

Meet RoHS requirements