User Manual

Overview
2.3 MAX2828 5GHz (802.11a) Transceiver
The VDU has five MAX2828 chips embedded in it. The MAX2828 is a single-chip, RF transceiver IC designed
specifically for single-band 4.9GHz to 5.875GHz, OFDM, 802.11 WLAN applications. It includes all the circuitry
necessary to implement the RF transceiver function, providing a fully integrated receive path, transmit path, VCO,
frequency synthesizer and baseband/control interface. Only the PA, RF switches, RF bandpass filters (BPF), RF
BALUNs and a small number of passive components are required to form the complete RF front-end solution.
AMIMON's WHDI
TM
technology uses the low cost and high availability of the 802.11a/n RF to allow low-cost RF
for the video modem. Future generations of the WHDI modem will use an AMIMON-designed, cost-efficient,
single-chip, integrated RFIC for multiple transmits on the transmitter side and a single-chip integrated RFIC for
multiple receivers on the receiver side.
2.4 Power Amplifier (PA)
In order to extend the operating range for the HM501 upstream, the RF transmitter uses a power amplifier. The
power amplifier has an output power detector for TPC purposes. Amimon has implemented Anadigics
AWL6951 PA on the HM501.
2.5 Board Connector (WHDI
TM
Connector)
For information regarding the connector specification and pin-outs see following section.
2.6 EEPROM
The EEPROM is currently a system option, enabling mating and authentication in a
multipoint design environment.
2.7 40MHz Clock Gen
An on-board 40MHz TCXO is connected to the MAX2828 chipsets and the AMN2210 baseband. The clock is
then divided by two by the AMN2210 and supplied to the STM32F103RBT6 uC.
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