Common-Mode Rejection - Tektronix 2213A Instruction Manual

1
1
Characteristics
1
Common-Mode Rejection Ratio
(CMRR)
1
Trace Shift with Attenuator Rotation
1
Trace Shift as VOLTS/DIV
Variable Control is Rotated
Trace Shift with Invert
Channel Isolation
1
TRIGGER Sensitivity
1
P-P AUTO/TV LINE and NORM
Modes
Internal
External
Lowest Useable Frequency in P-P
AUTO Mode
TV FIELD Mode
EXT INPUT
Maximum Input Voltage
Input Resistance
Input Capacitance
AC Coupled
LEVEL Control Range (NORM)
INT
EXT, DC
EXT, DC -= - 10
VAR HOLDOFF Control
u
REV DEC 1983
Table 1-1 (cont)
Performance Requirements
VERTICAL DEFLECTION SYSTEM (cont)
At least 20 to 1 at 25 MHz.
0.75 division or less.
1.0 division or less.
1.5 division or less.
Greater than 100 to 1 at 25 MHz.
TRIGGER SYSTEM
5 MHz 60 MHz
0.3 div 1.0 div
40 mV 150 mV
20 Hz with 1.0 division internal
or 100 mV external.
1.0 division of composite sync.
400 V (dc + peak ac) or 800 V ac p-p
at 10 kHz or less.
1 Mfl ±2%.
20 pF ±2.5 pF.
10 Hz or less at lower - 3 dB point.
Can be set to any point of the trace
that can be displayed.
At least ± 1.6 V, 3.2 V p-p.
At least ± 16 V, 32 V p-p.
Increases Sweep holdoff time by at
least a factor of 10.
General Information— 2213A Operators
Supplemental Information
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.
VOLTS/DIV Variable control in CAL
detent.
External trigger signal from a 50 Q
source driving a 50 Q coaxial cable
terminated in 50 Q at the input connector.
See Figure 1 -1 for derating curve.
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