Tektronix 2230, Service Manual

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General Information— 2230 Service
Table 1-1 (cont)
Characteristics
Performance Requirements
HORIZONTAL DEFLECTION SYSTEM
NON STORE Sweep Rates
Calibrated Range
A Sweep
0.5 sec per division to 0.05
ms
per division in a 1-2-5 sequence of
22 steps.0
B Sweep
50 ms per division to 0.05
ns
per division in a 1-2-5 sequence of
19 steps.0
STORE Mode Ranges
REPETITIVE 0.05 ns per division to 2 ns per division.8- d
RECORD
5
ms
per division to 50 ms per division.8- d
ROLL/SCAN 0.1 s per division to 5 s per division (A sweep only)8- d
NON STORE Accuracy
+ 15°C to +35°C
0 cC to +50°C
Unmagnified Magnified
Within ±2% Within ±3%
Within ±3% a Within ±4% a
Sweep accuracy applies over the center eight divisions. Exclude
the first 40 ns of the sweep for magnified sweeps and anything
beyond the 100th magnified division.
STORE Accuracy
See Horizontal Differential Accuracy and Cursor Time Difference
Accuracy.8
NON STORE Sweep Linearity
±5%.
Linearity measured over any two of the center eight divisions.
Exclude the first 25 ns and anything past the 100th division of the
X I0 magnified sweeps.
Digital Sample Rate
SAMPLE
(5 MS/div to 5 s/div)
PEAKDET or ACCPEAK
(20 MS/div to 5 s/div)
REPETITIVE Store
0.05 MS/div to 1 MS/div
2 MS/div
Single Trace CHOP/ALT
100 50
----------- Hz* ------------ Hz8
SEC/DIV SEC/DIV
10 MHz8 10 MHz8
(50% duty factor on each channel in CHOP)
20 MHz8 20 MHz8
10 MHz8 10 MHz8
External Clock
Input Frequency Up to 1 kHz.
Digital Sample Rate
10 MHz in ACCPEAK and PEAKDET, otherwise it is equal to the
input frequency.8
Store Rate
One data pair for every second falling edge.8
Duty Cycle
10% or greater (100
ms
minimum hold time).8
Ext Clock Logic Thresholds TTL Compatible.8
Maximum Safe Input Voltage / \ 25 V (dc + peak ac) or 25 V p-p ac at 1 kHz or less.8
Input Resistance
>20 k£1.a
‘ Performance Requirement not checked in Service Manual.
°Tha X10 MAS control extends the maximum sweep speed to 5 ns per division.
dThe X10 MAG control extends the maximum sweep speed to 5 ns per division. The 4K COMPRESS control multiplies the SEC/DIV
by 4.
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