Tektronix TDS6404, Service Manual

Page: 116 / 252

Performance Tests
4- 60
TDS6000 Series Service Manual
Equipment
required One 50
Ω
, precision coaxial cable (Item 4)
One Connector, BNC “T”, male BNC-to-dual female BNC (Item 6)
One Pulse Generator, Wavetek 9500 or equivalent (Item 20)
Two 50
Ω
, coaxial cable, male-to-male SMA connectors (Item 21)
One SMA female to BNC male connector (Item 23)
One BNC elbow connector (Item 24)
One SMA “T”, male to two SMA female connectors (Item 22)
Two SMA terminator connectors, short circuit, (Item 25)
One SMA male-to-female BNC adapter (Item 19)
One 2X attenuator, 50
Ω
, female BNC-to-male BNC (Item 26)
Prerequisites See page 4--17
This procedures checks the “sample rate” portion of the Delta Time Measure-
ment Accuracy as listed in
Specifications. The previous procedure, Check
Accuracy for Long-Term Sample Rate and Delay Time Accuracy and Reference ,
see page 4--56, verified the “PPM” portion of the delta time specification.
TDS6000 Series
Pulse
Generator
50
Ω
Cable
Output
20
I
50
Ω
Cable
20
I
50
Ω
Cable
SMA
male-to-male
SMA short
SMA
male-to-male
SMA short
BNC “T”
connector
2X Attenuator
BNC 90
°
female-to-male adapter
SMA “T”
connector
BNC-to-SMA
adapter
Figure 4- 23: Delta time accuracy test hookup
1. Install the test hookup and preset the instrument controls:
a.
Initialize the oscilloscope:
Press the DEFAULT SETUP button.
Check Delta Time
Measurement Accuracy