Обзор

Особенности и преимущества

  • Full featured evaluation board for the ADMV1014
  • On-board USB for SPI control
  • 5 V operation
  • ACE software interface for SPI control

Подробнее о продукте

The ADMV1014 is a silicon germanium (SiGe) design, wideband, microwave downconverter optimized for point to point microwave radio designs operating in the 24.5 GHz to 43.5 GHz frequency range.

The downconverter offers two modes of frequency translation. The device is capable of direct quadrature demodulation to baseband I/Q output signals, as well as image rejection downconversion to a complex intermediate frequency (IF) output carrier frequency. The baseband outputs can be dc-coupled, but are typically ac-coupled with a sufficiently low, high pass corner frequency to ensure adequate demodulation accuracy. The serial port interface (SPI) allows fine adjustment of the quadrature phase to allow the user to optimize I/Q demodulation performance. Alternatively, the baseband I/Q outputs can be disabled, and the I/Q signals can be passed through an on-chip active balun to provide two single-ended, quadrature, complex IF outputs between 800 MHz and 6000 MHz. When used as an image rejecting downconverter, the unwanted image term is typically suppressed to better than 30 dBc below the desired sideband. The ADMV1014 offers a flexible local oscillator (LO) system, including a frequency quadruple option allowing a range of LO frequencies from 21.6 GHz to 41 GHz to cover a radio frequency (RF) input range as wide as 24.5 GHz to 44 GHz. A square law power detector is provided to allow monitoring of the power levels at the mixer inputs. The detector output can be used to provide closed-loop control of the RF input variable attenuator through an external op-amp error integrator circuit.

The ADMV1014 downconverter comes in a compact, thermally enhanced, 5 mm × 5 mm flip chip CSP package. The ADMV1014 operates over the −40°C to +85°C case temperature range.

The ADMV1014-EVALZ evaluation board incorporates the ADMV1014 with a microcontroller, low dropout (LDO) regulators, and nanoDAC® to allow quick and easy evaluation of the ADMV1014. The microcontroller allows the user to configure the ADMV1014 register map through the Analysis, Control, Evaluation (ACE) software. The LDO regulators allow the ADMV1014 to be powered on by a single supply and offer optimal power supply ripple rejection. The nanoDAC allows the user to attenuate the RF power going into the mixer of ADMV1014 without using an external power supply.

For full details on the ADMV1014, see the ADMV1014 data sheet, which must be consulted in conjunction with this user guide when using the ADMV1014-EVALZ evaluation board.

Применяемые компоненты

Программное обеспечение

ACE Software

ZIP
148 KB
ACE plugin for Board.ADMV1014 0.1.2 [Feb 28 19]
24.5GHz to 43.5GHz, Wideband Microwave Downconverter
EXE
47.8 MB
ACE Installer Software 1.14.2791.1230 [Oct 16 19]
Analysis | Control | Evaluation (ACE) Software. Requires internet access. Run this executable to install ACE onto your computer. Required before installing the plug-in(s) above. Once ACE is installed, double-click on the plug-in package to install the plug-in.

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