TDS 420A, TDS 430A & TDS 460A Service Manual
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Product Description
This Chapter begins with a general description of the traits of the TDS 400A
Digitizing Oscilloscopes. Three sections follow, one for each of three classes of
traits: nominal traits, warranted characteristics, and typical characteristics.
General
The TDS 400A Digitizing Oscilloscopes are portable, four-channel instruments
suitable for use in a variety of test and measurement applications and systems.
Table 1--1 lists key features.
Table 1- 1: Key Features of the TDS 400A Oscilloscopes
Feature Description
Digitizing rate, maximum 100 MS/s on each channel simultaneously
Analog bandwidth TDS 460A: 400 MHz
TDS 420A: 200 MHz
TDS 430A: 400 MHz
Channels TDS 460A: Four, each with 8-bit resolution
TDS 420A: Four, each with 8-bit resolution
TDS 430A: Two, each with 8-bit resoluti on
Record lengths, maximum 30,000 samples (120,000 with option 1M)
Acquisition modes Sample, envelope, average, high-resolution, and peak-detect
Trigger modes Edge
With Option 05, video trigger modes include:
NTSC, SECAM, PAL, and Custom
Display Modes Infinite and variable persistence, roll , fit to screen, and dual
waveform zoom
Storage A 1.44 Mbyte, 3.5 inch, DOS 3.3-or-later floppy disk and
NVRAM storage for saving waveforms, hardcopies, and setups
I/O Full GPIB programmability
Hardcopy output using GPIB and, with Option 13, RS-232 or
Centronics ports
Math Including: invert, add, subtract, multiply, and with Option 2F,
integral, differential, and FFT
User interface A graphical user interf ace, on-line help. and a logical
front-panel layout