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ADMV4530ACCZ-RL7 +BOM

High-frequency converter for satellite communications applicatio

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

ADMV4530ACCZ-RL7
Datasheet:

ADMV4530ACCZ-RL7 Datasheet (PDF)
Series:

ADMV4530
Function:

Upconverter
Frequency:

27GHz ~ 31GHz
RF Type:

General Purpose
EDA/CAD Models:

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ADMV4530ACCZ-RL7 General Description

The ADMV4530 is a highly integrated upconverter with an in-phase/quadrature (I/Q) mixer that is ideally suited for next generation Ka band satellite communications.

An integrated low phase noise, fractional-N phase-locked loop (PLL) with a voltage controlled oscillator (VCO) and internal 2× multiplier generate the necessary on-chip local oscillator (LO) signal for the I/Q mixer, eliminating the need for external frequency synthesis. The VCO uses an internal autocalibration routine that allows the PLL to select the necessary settings and locks in approximately 100 µs.

The single-ended reference input to the PLL operates up to 500 MHz and features internal reference dividers and a multiplier for added flexibility. Additionally, the phase frequency detector (PFD) comparison frequency can be up to 250 MHz for integer mode and 160 MHz for fraction-N mode.

The upconverter consists of an I/Q mixer that can operate in either I/Q mode with 500 MHz of bandwidth or in IF mode up to 3 GHz of bandwidth, which allows various radio architectures and backward compatibility with legacy systems.

Immediately following the I/Q mixer are stages of gain and variable attenuation. The configuration can achieve a minimum 1 dB compression point (P1dB) compression point of 19 dBm, eliminating the need for external stages of gain.

A programmable 4-wire serial port interface (SPI) allows adjustment of the quadrature phase for optimum sideband suppression. In addition, the SPI allows nulling of LO feedthrough in IF mode. In I/Q mode, the LO feedthrough can be nulled by applying external dc offset to the differential baseband I/Q inputs.

An IF automatic gain control (AGC) adjusts the IF variable gain amplifier (VGA) to compensate for input power variations. During normal operation, this AGC feature can be enabled or disabled via the SPI. When disabled during normal operation, the AGC feature only works on a test tone during power-down mode to track temperature variations.

The ADMV4530 upconverter comes in a RoHs compliant, 6 mm × 6 mm, 40-terminal land grid array (LGA) package. The ADMV4530 operates over the −40°C to +85°C case temperature range.

Applications

Key Features

RF output frequency range: 27 GHz to 31 GHz
Two upconversion modes
Direct upconversion from differential baseband I/Q (I/Q mode)
Single upper sideband upconversion (IF mode)
1 dB bandwidth: 500 MHz (I/Q mode)
Input frequency range: 2 GHz to 3 GHz (IF mode)
Matched, 50 Ω, single-ended RF output
Matched, 50 Ω, single-ended IF input
Direct upconversion from differential baseband I/Q (I/Q mode)
Single upper sideband upconversion (IF mode)
Programmable baseband I/Q common mode-voltage
Sideband rejection and carrier feedthrough optimization
Combined RF and IF gain dynamic range: 70 dB
Programmable automatic IF gain control
Programmable via 3-wire or 4-wire SPI
40-terminal, 6 mm × 6 mm, RoHS compliant LGA

Application

Satellite communication
Point to point microwave communication

Specifications

Category	RF and WirelessRF Misc ICs and Modules	Series	ADMV4530
Function	Upconverter	Frequency	27GHz ~ 31GHz
RF Type	General Purpose	Secondary Attributes	Integrated PLL and VCO
Mounting Type	Surface Mount	Base Product Number	ADMV4530