Product Description
1–2
TDS 500B, TDS 600B, & TDS 700A User Manual
Differences by Model
Table 1–1 lists some key TDS features and relates them to the different TDS
models that this manual covers.
Table 1–1: Key Features and Differences of Models
Feature 520B 540B 620B 644B 680B 684B 724A 744A 784A
No. of channels 2+2
1
4 2 + 2
1
4 2 + 2
1
4 2 + 2
1
4
Digitizing rate, max. 1 GS/s 2 GS/s
2
2.5 GS/s 5 GS/s 1 GS/s 2 GS/s
2
4 GS/s
No. of Chs. @ max. rate 1 2 4 2 4 1
Analog Bandwidth 500 MHz 1 GHz 500 MHz 1 GHz
Record Lengths, max. To 50K/Channel
3
To 15K/Channel To 50K/Channel
3
InstaVu Acquisitions Yes No Yes
Hi Res Acquisitions Yes No Yes
Advanced DSP Math
4
Opt. 2F Opt. 2F Opt. 2F Std. Opt. 2F Std.
Storage, Floppy Disk Opt. 1F Opt. 1F Std. Opt. 1F Std.
I/0 includes RS–232 and
Centronics
5
Opt. 13 Opt. 13 Std. Opt. 13 Std.
Display Mono Color Mono Color
1
Two plus Two channel operation allows two of four channels to be displayed simultaneously. Channels not displayed can
be used to couple a triggering signal to the oscilloscope.
2
This TDS model can be purchased with Option 1G, which limits the maximum digitizing rate to 1GS/second. This option
allows sales in export–controlled countries. See Option 1G on page A–1.
3
This TDS model can be purchased with Option 1M, which adds longer record length settings. See Option 1M on
page A–2.
4
Includes advanced digital signal processing to produce FFTs, integrals, and differentials of waveforms. Some models
require Option 2F; see Option 2F on page A–2.
5
GPIB I/O included with all models.
Product Specification
The product specification is found in the technical reference TDS 500B,
TDS 600B, & TDS 700A Technical Reference (Performance Verification and
Specifications) that is shipped as a standard accessory with the TDS Oscillo-
scope.
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