Tektronix 2221A - Appendix B: Specification; Table A-4: Electrical Characteristics (Cont.)

Appendix 8: Specification
Table A»4: Electrical Characteristics {Cent.)
Characteristics Performance Requirements
REPETITIVE Store Mode
SAMPLE and AVERAGE
0.05 |js per division
0.1 ms Per division
0.2 ps per division
to 2 ms per division
(5% maximum amplitude
uncertainty)
ACCPEAK
0.05 ms per division Same as NON-STORE Bandwidth
to 5 s per division
AVERAGE Mode
Sweep Limit Adjustable from 1 to 998,000 or NO LIMIT. May be set in incre
ments of 1 from 1 to 200; 2 from 202 to 1,000; 10 from 1,010
to 2,000; 20 from 2,020 to 10.000; 100 from 10,100 to 20,000;
200 from 20,200 to 100.000; 1,000 from 101,000 to 200,000;
2,000 from 202.000 to 998.000.1
Weight of Last Acquisition
M> /2> /4> Me- 3^4- M281 or /f>56 (MENU selections). /
AVERAGE mode default weight is
NON-STORE CHOP Mode Switching Rate
500 kHz ± 30%'
A/D Converter Linearity
Monotonic with no missing codes1
Analog CH1/CH2 Delay Match
±1.0 ns1
NON-STORE Common-Mode Rejection Ratio
(CMRR)
At least 10 to 1 at 50 MHz.
Checked at 10 mV per division for common-mode signals of
six divisions or less with the VOLTS/DIV Variable control ad
justed for the best CMRR at 50 kHz.
Input Current
1 nA or less (0,5 division or less trace shift when switching
between DC and GND input coupling with the VOLTS/DIV
switch set to 2 mV per division).1
Input Characteristics
Resistance
1 MO ± 2%1
Capacitance
20 pF ± 2PF1
1 Performance requirement not checked in manual.
3One hundred MHz bandwidth derated for temperatures outside 0° C to +35° C and at 2 mV VOLTS/DIV setting as for NON-STORE.
Single Trace
CHOP/ALT
100 MHz (-3 dB)3
100 MHz (-3 dB)3
100 MHz (-3 dB)1’3
50 MHz (-3 dB)1
10 LJtH 5 ....... H,i
SEC/DIV setting ~
SEC/DIV setting "
2221A User Manual
A-11