Deskew and Gain Cal Fixture Instructions
2
Deskew Fixture Instructions
2.
Discharge the static voltage from your body by wearing a grounded antistatic
wrist strap while handling or servicing the deskew fixture. Do service only at
a static-free work station.
Specifications
H
USB load,
ᇓ
60 mA typical, from the 5 V supply.
H
Deskew Fixture output voltage, V
ol
ᇓ
1V, V
oh
ᇓ
2 V.
H
Deskew Fixture Risetime and frequency, <600 ps,
p
= 10 MHz.
H
Gain Cal input and output is less than
±
10 V
Table 1: Certifications and compliances
Category
Standards or description
EC Declaration of Conformity --
EMC
Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was
demonstrated to the following specifications as listed in the Official Journal of the European Union:
EN 61326 1,2,3
EMC requirements for Class A electrical equipment for measurement, control
and laboratory use1
EN 61000--3--2 4
AC power line harmonic emissions
1 Radiated emissions may exceed the levels specified in EN 61326 when this instrument is
connected to a test object.
2 Exposed circuitry on the Deskew Fixture may be damaged by electrostatic discharge. IEC
61000--4--2 is not applicable to the circuit board area.
3 Immunity performance is dependent on the device supplying power via the USB connection.
4 Compliance to EN 61000--3--2 is dependent on the device supplying power via the USB
connection. Compliance is assured when powered by a TDS6000 or TDS7000 series instrument.
Australia/New Zealand Declara-
tion of Conformity -- EMC
Complies with EMC provision of Radiocommunications Act per the following standard(s):
AS/NZS 2064.1/2 Class A limits for Industrial, Scientific, and Medical Equipment: 1992
Powering the Deskew Fixture for Skew Adjust
The Deskew Fixture is powered from a USB port. Using a USB cable (supplied
with the fixture) you can connect the fixture to the USB port on the rear panel of
the oscilloscope or to a USB port on the Tektronix recommended USB keyboard.
You can use an external USB hub or PC.
Connect the Deskew Fixture to a USB power source.