TDSUSBF Test Fixture
2
TDSUSBF USB 2.0 Compliance Test Fixture Instructions
Test Equipment
The following test equipment is recommended for use with the fixture:
H
A DPO7254 or TDS7254B or greater bandwidth oscilloscope is required to
test the high-speed USB hosts, devices, or hubs
H
A DPO7054 or TDS5034B or greater bandwidth oscilloscope is required to
test low-speed and full-speed USB devices and hubs
H
A P6248 1.7 GHz differential probe or greater bandwidth probe
1
H
A P6245 1.5 GHz 10X Probe (3 each)
1
or TAP1500 1.5 GHz Active Probe
(3 each) for use with the DPO7000 series oscilloscopes
H
A TCP202 current probe
1
or TCP0030 current probe for use with the
DPO7000 series oscilloscopes
1
Requires TPA to BNC adapter for use on DPO7000 series oscilloscopes
Table 1: Probe type and Compatible oscilloscopes
Probe type
TDS series oscilloscopes
DPO series oscilloscopes
High Bandwidth Differential Probe
P6248 or greater bandwidth probe
P7300 series compatible with TDS7254B or
greater bandwidth and TDS6000B/C series
The P6248 probe requires TAP BNC
adapter. P7000 series probes are not
compatible with the DPO7000 series
High Bandwidth Single--Ended Active
Probe
P6245
P6245 requires TAP BNC adapter or
TAP1500 Active probe.
Current Probe
TCP202
TCP202 requires TAP BNC adapter or
TCP0030
H
A TDS8200 oscilloscope with an 80E04 TDR sampling module.
A USB TDR test utility is available at the following link:
http://www.tek.com/site/sw/detail/1,1059,2207,00.html
H
An AWG615 or AWG710B Arbitrary Waveform Generator or
a DTG5274 or DTG5078 mainframe with optional DTMG21
H
High quality SMA cables ~ 30.48 cm (12 in) and 12 dB attenuators (4 each
Tekronix part number 011-0069-03). For receiver sensitivity testing, use
attenuators to increase the channel amplitude resolution.