Tektronix 5441 Instruction Manual page 65

Performance Check Procedure-5441lR5441
Equipment Required
Time-base unit Time-mark generator
Amplifier unit
42 inch bnc cable
Pulse generator 50 R termination
Medium-frequency signal generator Calibration generator
NOTE
f l
d. CHECK-The generator for a reading of at least
The 5A48 amplifier is used for the horizontal system
2 MHz.
adjustment procedure. When a different amplifier
plug-in is used to verify horizontal specifications, the
e. Press the POWER switch to turn off the oscilloscope,
amplifier frequency must be considered.
and interchange the amplifier and the time-base units in their
respective compartments. Pull the POWER switch to on.
1. Check Horizontal Gain
a. Press the POWER switch to turn off the oscilloscope
3. Check 10 ns Timing
and interchange the amplifier and the time-base units in their
respective compartments. Pull the POWER switch to on.
NOTE
A 5842 time-base or a time-base having a 10 ns
b. Connect a 1 kHz square-wave signal from the calibra-
sweep must be used.
tion generator to the amplifier input connector, using a 42
inch bnc cable.
a. Disconnect the bnc cable and 50 R termination from
the amplifier input connector and connect the time-mark
c. Set the amplifier and generator controls to obtain a
generator signal to the input connector.
five-volt reference signal. Center the display between the
.
-
second and seventh iertical graticule lines.
b. Set the time-mark generator for 10 ns markers. Set
the deflection factor of the amplifier so the markers are at
d. CHECK-The crt display for a horizontal deflection of
least five divisions in amplitude.
5 div, k0.15 div.
c. Set the time-base unit for a sweep rate of 10 nsldiv.
e. the bnc cable
the amplifier input
Adjust the time-base triggering control for a stable display.
connector.
2. Check Horizontal Bandwidth
d. CHECK-For one 10 ns marker per division over the
center eight graticule divisions of the display (position as
a. Connect a 50 kHz sine-wave signal from the MF sig-
necessary). Sweep accuracy is
*
5% over the entire sweep,
rial generator to the amplifier input, using a 42 inch bnc ca-
excluding the first 30 and the last 100 ns of the magnified
ble and 50 Q termination.
sweep.
b. Set the amplifier and generator controls to obtain a
6-div display. Center the display between the second and
4m
Check ns Timing
eighth vertical graticule lines.
-
a. Set the time-mark generator for 5 ns markers.
c. Without changing the output amplitude, increase the
generator frequency until the displayed amplitude is reduced b. Adjust the time-base triggering control for a stable
to 4.2 div. display.
REV MAY 1982