Tektronix 2A61 Instruction Manual page 25

Performance Check—Type 2A61
Fig. 5-4, +Gate Attenvator connected to the Test Oscilloscope,
Fig. 5-5. Typical CRT display of decay time,
m. Set the test oscilloscope Time Base A Time/cm to 1s
n. Push the reset button on the test oscilloscope and meas-
ure the decay time of the sweep displayed on the Type 561A
CRT. Decay time, 2.45 to 375s.
9A. Lower Frequency Limited Response (Alter-
nate Method)
Requirement-Display of decays as shown in Fig. 5-6
a, Reset the following controls:
Type 2A61
FREQ RESPONSE
TO 1-3 MHz
FROM
06
Type 2B67
Time/div 5ms
b, Connect a GR to BNC 502 Termination to the Type 106
Square Wave Generator + Fast Rise Output.
c. Connect a BNC female to BNC female adapter to the
GR to BNC termination.
d, Connect the BNC end of the Special Input Cable [with
BNC connector on one end and the 4 pin connector on the
other} to the BNC female to BNC female adapter.
e. Connect the 4 pin connector end of the Special Input
Cable to the Type 2A61 INPUT (INPUT SELECTOR to A).
f. Set the Type 106 Square Wave Generator Repetition
Rate Range switch to 10Hz and the Multiplier to 2.
5-5