Check Analog Bandwidth - Tektronix TDS7054 Service Manual

Check Analog Bandwidth

TDS7104 & TDS7054 Service Manual
H Record the difference of the two mean measurements in the
Difference of Measurement Means column of Table 4- -6.
H CHECK that the Difference of Measurement Mean is within the
limits listed for the current vertical scale/position/offset/generator
settings. Enter measurement mean difference value on test record.
h. Test all channels: Repeat substeps a through g for all four channels.
3. Disconnect the hookup:
a. Set the generator output to 0 V.
b. Disconnect the cable from the generator output and the input connector
of the channel last tested.
Equipment One sine wave generator (Item 12)
required
One level meter and power sensor (Item 13)
One power divider (Item 14)
One female N to male BNC adapter (Item 16)
Four male N to female BNC adapters (Item 15)
Two 50 Ω precision cables (Item 4)
Attenuators (Items 1 and 2)
Optional: One high-frequency leveled sine wave generator and its
leveling head - - replaces items 12, 13, 14, 15, and 16
Prerequisites See page 4- - 27
1. Install the test hookup and preset the instrument controls:
a. Initialize the oscilloscope:
H Press DEFAULT SETUP.
b. Modify the default settings:
H Turn the horizontal SCALE knob to 40 ns.
H From the tool bar, touch Horiz and select the Acquisition tab.
H Touch Average and set the number of averages to 16.
H Touch the Equivalent Time ET button.
H From the tool bar, touch MEAS. Touch Setup Ref Levs; then touch
the Determine Base, Top Form Min-Max button.
Performance Tests
4- 43