Tektronix 2230 Service Manual

Section 1— 2230 Service
GENERAL INFORMATION
INTRODUCTION!
The TEKTRONIX 2230 Oscilloscope! is a combination
nonstorage and digital storage dual-channel 100 MHz
bandwidth instrument. It is a rugged, lightweight oscillo
scope featuring microprocessor operation and
alphanumeric crt readout of many of the front-panel con
trols. In the digital storage mode, up to three waveform
sets (CH 1 and/or CH 2) may be stored in a SAVE REF
memory and recalled for display at a later time. The verti
cal system provides calibrated deflection factors from
2 mV per division to 5 V per division. The horizontal sys
tem provides calibrated sweep speeds from 50 ns per divi
sion to 0.5 s per division for nonstorage mode with three
slower sweep speeds (1 s, 2 s, and 5 s per division) added
for store mode operation. A X I0 magnifier extends the
maximum sweep speed to 5 ns per division.
The digital storage sampling rate is 20 megasamples
per second maximum, and the acquired record length is
4K samples (IK may also be selected) for a single channel
or 2K samples for dual-channel (CHOP or ALT) displays.
Any contiguous IK sample of an acquired record is
displayable. The fast sampling rate can capture a glitch
with a pulse width of at least 100 ns. A 4K compress
feature enables a 4K record length acquisition to be
compressed to IK in length for ease in viewing or storing
in the SAVE REF memory. If compression is not desired,
all 4K or any IK portion of a 4K record may be stored in
the SAVE REF memory. The SAVE store mode stops the
waveform acquisition in progress, allowing a particular
display to be stored or examined before further acquisi
tions cause a waveform update.
Cursors may be used to obtain voltage measurements,
time difference measurements, and delay-time measure
ments on any of the store mode waveform displays. Delta
volts, delay time, delta time, and 1/delta time (either delta
time or 1/delta time is selectable via the MENU) are
displayed in the crt readout for ease in obtaining precise
measurement results. The cursors are positioned to any
displayed store mode waveform to make measurements.
An alternate use of the cursor-positioning control is to hor
izontally position the IK display window to any location
within a 4K record length waveform acquisition. The
displayed portion of a 4K acquisition is stored when the
SAVE REF feature is used.
The instrument is shipped with the following standard
accessories:
1 Operators Manual
1 Users Reference Guide
2 Probe =ackages
1 Front Panel Cover
1 Accessory Pouch
1 Power Cord
1 Fuse
1 DB-9 Male Connector and Connector Shell
1 Loop Clamp
1 Flat Washer
1 Self-Tapping Screw
For part numbers and further information about both
standard and optional accessories, refer to "Options and
Accessories" (Section 7) of this manual. Your Tektronix
representative, local Tektronix Field Office, or Tektronix
products catalog can also provide additional accessories
information.
SPECIFICATION
The following electrical characteristics (Table 1-1) are
valid when :he instrument has been adjusted at an
ambient temperature between +20°C and +30°C, has
had a warm-up period of at least 20 minutes, and is
operating at an ambient temperature between 0°C and
+50°C (unless otherwise noted).
Items listed in the "Performance Requirements” column
are verifiable qualitative or quantitative limits that define
the measurement capabilities of the instrument.
Environmental characteristics are given in Table 1-2.
This instrument meets the requirements of MIL-T-28800C
for Type III, Class 5 equipment, except where noted other
wise.
Physical characteristics of the instrument are listed in
Table 1-3.
1-1

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English