Tektronix 2236 - Page 9

General
Information
-
2236
Operators
Table
1-1 (
cont
)
ก
Characteristics
Performance
Requirements
Supplemental
Information
VERTICAL
DEFLECTION
SYSTEM (
cont
)
Bandwidth
Limiter
Upper limits ( -3 dB ) bandpass at
20 MHz + 10 %
.
Chop Mode Switching Rate
500 kHz + 30 % .
Input
Characteristics
Resistance
7
Channel 1
1
ΜΩ +
0.2 % .
Channel 2 1 ΜΩ +
2 %
n
22
pF
+0.5
pF
.
Capacitance
(
Channels 1 and 2 )
Maximum
Safe
Input
Voltage
DC
Coupled
?
n
7
400 V (
dc +
peak
ac )
or 800 V
ac p - p
to 10 kHz or
less.a
AC
Coupled
400
V
( dc +
peak ac ) or
800
V
ac p - p
to 10
kHz or
less.a
At least 10 to
1 at 50 MHZ .
Common
-
Mode
Rejection Ratio
( CMRR )
Checked at
10 mV
per
division for
common - mode signals of 6 divisions or
less with
VOLTS / DIV
Variable control
adjusted for best CMRR at 50 kHz .
Input
Current
1.0 nA or less ( 0.5 division trace shift
at 2
mV
per
division
) .
Trace Shift
with
Attenuator
Rotation 0.75
division or
less
.
VOLTS / DIV Variable control in CAL
detent .
1.0
division or
less .
Trace Shift as
VOLTS
/ DIV
Variable Control is Rotated
Trace
Shift
with
Invert
1.5
division or
less
.
Channel
Isolation
ก
7
Greater than 100 to 1
at 50 MHZ
.
POSITION
Control
Range
At
least
+11
divisions from
graticule
center
.
П
asee
Figure 1-1 for
derating
curve
.
1-3
Л