Tektronix 2252, Operator'S Manual, Page: 20 / 114

Introduction
The vertical deflection system has four input channels. Two channels have 11
basic deflection factors from 2 mV to 5 V per division, and two channels have
two basic deflection factors of 0.1 V and 0.5 V per division. Basic deflection
factors can be extended with attenuator probes. VOLTS/DIV readouts are
switched to display the correct vertical scale factors when properly coded
probes are connected to the vertical input connectors.
The horizontal deflection system provides single, dual, or delayed sweeps
from 0.5 s to 20 ns per division (delayed sweep, 5 ms to 20 ns per division).
The trigger system provides stable triggering over the fuil bandwidth of the
vertical deflection system.
Alphanumeric crt readouts of the vertical and horizontal scale factors are dis­
played at the bottom of the screen. On-screen vertical and horizontal cursors
provide accurate voltage, time, frequency, and phase measurements;
measurement values are displayed at the top of the crt.
Measurement features include voltage, time, frequency, and phase, counter/
timer measurements, and risetime/falltime or propagation delay. Voltage
measurements include positive peak, negative peak, peak--to-peak, and
average dc levels, measured over the entire display or a selected portion
(gated measurements).
Counter/timer measurements include frequency, period, width, totalize,
frequency ratio, gated frequency, gated period, gated width, gated events,
delta time, one-over-delta time, phase, rise/fal! time, and propagation delay,
using an interna! or external frequency standard. Counter/timer measure­
ments can be averaged to increase the number of displayed digits, and
measurement trigger points can be indicated with cursors on screen.
Positionabie cursors allow absolute voltage, voltage difference, time
difference, frequency, and phase measurements. SmartCursors® visually
track voltage measurements, trigger levels and ground and may be
selectively displayed with the waveforms. Time, frequency, and phase
measurements referenced to the trigger event or between two user-selected
events are available in ALT and B horizontal modes.
By pressing a single button (AUTO SETUP), the front-panel controls can be
set up to produce a usable waveform display based on the voltage and time
characteristics of the input signals.
The Store/Recall system lets you store and recall up to 20 different front-
panel setups. Stored setups can be arranged in sequences as required for
specific applications.
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2252 Operator
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