BlockDiagram and Description

0327-EX-PL-2010 Text Documents

BridgeWave Communications, Inc.

2010-08-10ELS_109351

FlexPort™- 23 Block Diagram Digital Board Signal Processing Unit (SPU) Radio Frequency Unit (RFU) Control µP RX LO PLL, µP Interface RX Channel Selection RX IF Down ADC AMP Converter Framing, LNA Ethernet Coding & Digital Antenna Diplexer Switch Configuration Signal Processing Reference Circuit Modulator-Demodulator Oscillator Circuit TX Amp x5 ports TX IF UP DAC AMP Converter TX LO PLL, Main TX Channel Selection Power Power Power Supply Supply Ethernet & Supply SFP Ports Traffic Interface DC Input BridgeWave CONFIDENTIAL

FP-23 Technical Description TX 1. Ethernet traffic payload enters the TX side through transceiver interfaces. Ethernet traffic goes into the managed Ethernet switch on the Digital board. The Ethernet switch passes the data to the framing, coding & configuration circuit. 2. The framed and coded traffic data is then sent to the SPU board. 3. The digital traffic data is modulated in the SPU and then Digital to Analog Converted (DAC) , producing the TX IF signal. 4. The TX IF signal is then passes through a TX IF AGC and is for up-converted and amplified in the Radio Frequency Unit (RFU). 5. The RF TX signal then passes through the Diplexer and out the Antenna. RX 1. The RF Receive signal comes through the antenna and diplexer into the LNA and is down-converted to IF Frequency 2. The RX IF signal then passes through a RX IF AGC amplifier in the RFU. 3. The RX IF signal is Analog to Digital Converted (ADC) on the SPU and demodulated. 4. The RX demodulator then outputs the framed and coded data to the DIGITAL board. 5. The DIGITAL board removes framing and coding and then the traffic then goes to the Ethernet switch 6. The Ethernet traffic payload exits the system via transceiver interfaces. BridgeWave CONFIDENTIAL


Document Created: 2010-08-10 15:36:17
Document Modified: 2010-08-10 15:36:17
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