Tektronix 1910 - External VITS Input Specifications

Specification-1910 Operators
Table 1·3
EXTERNAL VITS INPUT
Performance
Supplemental
Perf. Ck.
Characteristics Requirements Information Step No.
Maximum Input
±1Vpeak
Ac plus dc.
Input Impedance
75
n nominal
Return Loss
At least 40 dB to 5 MHz Power on and off.
53
Insertion Level
±5mV
Referenced to External VITS
42
In blanking level.
Insertion Gain
Unity ± 1%
43
Frequency Response
Flat within 1% to 5 MHz
-3dBat8MHz
44
Pulse-to-Bar Ratio
2T
100% ±1% 45
T
100
±2% 45
Pulse and Bar Aberrations
2T
Less than 0.5%
45
T
Less than 1%
45
Differential Phase
0.5
0
or less 10 to 90% APL. Blanking at
OVdc.
48
Differential Gain
0.5% or less 10 to 90% APL.
Blanking at
OVdc.
49
Amplitude Non-linearity
0.5%
or less 47
Line-Time Tilt
1% or less
46
External Input Isolation Greater than 60 dB to 5 MHz
50
Switching Transients Less than 10 mY p-p to 5 MHz (Switching transient at insertion
51
time.)
Less than 5 mY above 5
MHz
(Generator clock noise.) 51
1-6 Revised JUL 1984