Tektronix 2221A User Manual

in Detail
Displaying Signals ............................ — ........... 3-1
Applying Signals to the Vertical inputs ..................... 3-1
Connecting Signals................................................................ 3-1
Coupling Signals ................................................................... 3-2
Precharging the Signal Input ........................... 3-2
Building a Basic Display . .............................. 3-3
Presetting the Controls................................. 3-3
Selecting the Display Mode (STORE/NON-STORE) ............. 3-3
Selecting the Trigger Mode . ................................................... 3-4
Selecting the Horizontal Mode and Scale ............................. 3-4
Selecting the Vertical Mode and Scale ................... 3-5
Setting the Display intensity and Focus ............................... 3-6
Finding “Lost’’ Displays ......................................................... 3-7
Digitizing Signals ................. 3-8
Selecting the Acquisition Mode ............................................ 3-9
Selecting the High-Speed Storage M ode ............................. 3-9 /
Selecting Siow-Speed Storage Modes ................................. 3-9 '
Viewing Slowly Occurring Events .............................................. 3-10
Capturing Random Events ........................................................ 3-12
Accumulating Signal Peaks (ACCPEAK) ................................... 3-13
Detecting Signal Glitches ............................................... 3-13
Averaging Signals ....................................................................... 3-14
Sampling Signals ...................................................................... 3-14
Clocking Acquisitions ................................................................ 3-15
Selecting the Acquisition Record Length (1K/4K) ................ 3-15
Compressing the Acquisition Record Length
(4K Compress) .................................................................... 3-16
Positioning the Acquisition Record ........................................... 3-17
Preventing Signal Aliases ......................................................... 3-18
Displaying Magnified Sweeps ......... . . ............ 3-19
Using the X10 Magnifier............................................................. 3-19
Displaying Two Channels . ........................................................ 3-20
Comparing Two Signals . ................................................. 3-20
Adding Tvyq Signais , . ?.r. 3-20 k.J
Subtracting Signals or Signal Components
{Common Mode Rejection) ........................................... 3-20
Displaying X-Y Patterns . ...................... 3-22
Limiting Bandwidth ........ 3-24
Modulating the Display Intensity . ................................ 3-24
Triggering on Signals . . ........ 3-25
Triggering on Repetitive Signals ................................................ 3-25
Triggering on Low-Frequency Signals . .................................. 3-26
Triggering on Random or Infrequent Events . ....................... 3-26
Triggering on Complex or Non-Repetitive Signals ............... 3-27
Triggering on Line Frequency.................................................... 3-27
Triggering with an External Signal ........................... 3-28
Triggering on TV Signals .......... 3-28
iv
2221A User Manual

Tektronix 2221A Specifications

General

Brand	Tektronix
Model	2221A
Category	Test Equipment
Language	English