User's Manual

SIGMA DESIGNS Windeo Reference Design Module User Guide
Page 9/9
5. Basic Test Procedure
1) Connect the DUT as shown in Fig.7 for TX quality test and Fig. 8 for TX/RX PER test .
a) With RF cable between T/Rx Port and LeCroy/Spectrum Analyzer
b) US blaster cable to JTAG header on DUT
c) DC Power to 5V pin
2) Load program “ XXXX” from computer and follow instructions from screen
Tx Packet Error Rate Tests
The spectral mask tests focus on whether the Tx signal falls within the WiMedia-specified
spectral mask, as determined using the LeCroy or other tester. A simple pass or fail should be
recorded based on the LeCroy measurement.
Tx Packet Error Rate Tests
Tx packet error rate tests require a previously tested reference PHY on the Rx side. As in the
WiMedia PHY test spec, these tests are carried out in a conducted (wired) environment with the
device under test in Tx mode and the reference PHY in Rx mode. The receive level should be set
to -50dBm. Below is a draft template for measurements. It is recommended that all tests be
carried out for packet lengths of 188, 1024, and 4088 bytes as indicated.
PHY data
rate
(Mbps)
Length(bytes) number of
packets
TFC PER, 1500 bytes
pass: < 0.01%
53.3 1500 10000 5
6
106.7 1500 10000 5
6
4) Rx Packet Error Rate Tests
Rx packet error rate tests require a previously tested reference PHY on the Tx side. As in the
WiMedia PHY test spec, these tests are carried out in a conducted (wired) environment with the
device under test in Rx mode and the reference PHY in Tx mode. Below is a draft template for
measurements. As indicated, all tests are to be carried out for Rx signal levels of -55 dBm and -65
dBm.
PHY data
rate (Mbps)
length (bytes) number of
packets
TFC PER, -55 dBm Rx
level
pass: < 1%
PER, -65 dBm Rx
level
pass: < 8%
53.3 1500 10000 5
6
106.7 1500 10000 5
6