Tektronix TDSUSB2 User Manual

Reference USB2.0 Spec i fi cations
Low Speed
USB Lim its User C onfigure Limits References
1
Measurements Max Min Max. range Min. range
Cross-Over Voltage
2.0 V 1.3 V 1.6-2.4 V 1.04-1.56 V
Chapter 7, Table 7-7,
Section 7.1.2.1
Signal Rate
1.5225 Mbps 1.4775 Mbps 1.5675-
1.881 Mbps
1.146-
1.4325 Mbps
Chapter 7, 7.1.11
Conse-cutive Jitter
<25 ns
N/A
20-30 ns
N/A Chapter 7, 7.1.13.1
Paired Jitter <10 ns
N/A
8-12 ns
N/A Chapter 7, 7.1.13.1
Rising Edge Rate
35.2 V/ μs8.8V/μs
16-24 ns 3.2-4.8 ns
Chapter 7, 7.1.2.1
Falling Edge Rate
35.2 V/ μs8.8V/μs
16-24 ns 3.2-4.8 ns
Chapter 7, 7.1.2.1
EOP Width
1.5e-6 s 1.25e-6 s 1.2-1.8 1-1.5 ns
Chapter 7, 7.1.13.2.1
xxx
1
The References Section refers to the chapter numbers in the ‘Universal Serial Bus Specifications Revision 2.0-2000’.
NOTE. Results within the USB limit lead to a PASS condition. Results within the waiver limits, but outside
USB limits lead to a Conditional PASS. Results within the user configured limits lead to PASS. When user
configure limits is selected, you can view only the result details.
NOTE. Testing at Tier 6 leads t o a PASS. Testing at Tier 5 and 4 leads to a Conditional PASS that is a
Pass within the waiver limits. Testing at Tier 1 to 3 leads to a FAIL .
Full Speed
USB Lim its User C onfigure Limits References
1
Measurements Max Min Max range Min range
Cross-OverVoltage
2.0 V 1.3 V 1.6-2.4 V 1.04-1.56 V
Chapter 7, Table 7-7,
Section 7.1.2.1
Signal Rate
12.03 Mbps 11.97 Mbps 12.15 to
14.8 Mbps
9.48-
11.85 Mbps
Chapter 7,7.1.13.1
Consecutive Jitter
<2 ns
N/A
1.6-2.4 ns
N/A Chapter 7, 7.1.13.1
Paired Jitter <1 ns
N/A
.8-1.2 ns
N/A Chapter 7, 7.1.13.1
Rising Edge Rate
660 V/ μs 132 V/ μs
16-24 ns 3.2-4.8 ns
Chapter 7, 7.1.2.1
Falling Edge Rate
660 V/ μs 132 V/ μs
16-24 ns 3.2-4.8 ns
Chapter 7, 7.1.2.1
EOP Width
175 ns 160 ns 140-210 ns 128-192 ns
Chapter 7, 7.1.13.2.1
xxx
1
References Section refers to the chapter numbers in the ‘Universal Serial Bus Specifications Revision 2.0-2000’.
NOTE. Results within the USB limits lead to a PASS. Results
within the waiver limits, but outside USB
limits lead to a Conditional PASS. Results within the user configured limits lead to a PASS result. If you
select configured limits, you can view only the result details.
152 TDSUSB2 Universal Serial Bus Measurements Package

Tektronix TDSUSB2 Specifications

General

Brand	Tektronix
Model	TDSUSB2
Category	Measuring Instruments
Language	English