Rx Control Tab; Rx Registers Tab - Analog Devices ADAR1000-EVALZ User Manual

ADAR1000-EVALZ

Rx CONTROL TAB

The Rx Control tab (see Figure
phase of each of the four receive channels.
To use the Rx Control tab, take the following steps:
1. Click the Rx Initalise.
2. Select the Attenuation check box for each channel to add
in or remove the 15 dB step attenuation.
3. Adjust the Gain Index and Phase Angle settings of each
channel using the corresponding dropdown menus.
4. After adjustments, click Load All to write the settings to
the device registers.

RX REGISTERS TAB

The RX Registers tab provides control for all the receive
function registers in the device (see Figure 12).
In the Rx Gain Control section, the user sets the gain register
for each receive channel.
User Guide
) allows setting the gain and
11
In the Rx Phase Control section, the user sets the in-phase (I)
and quadrature phase (Q) gain registers for each channel in the
corresponding vector modulator (VM).
In the Memory Index section, if the SPI Ctrl check box is
selected, the beam position settings for the corresponding
channel are recalled from memory into the channel work
registers, according to the value (the memory address) in the
RAM INDEX window for each channel. If the SPI Ctrl check
box under RX CHX RAM INDEX is selected, data for all four
channels are pulled according to the value in the RX CHX
RAM INDEX window.
In the Bias Current section, the user selects a bias setting for
each of three receive stages (the settings are common to all four
receive channels).
Click Write Gain Values, Write Phase Values, and Write
Memory Values to send the corresponding register setting to
the ADAR1000-EVALZ evaluation board.
Figure 11. Rx Control Tab
Figure 12. RX Registers Tab
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