e r

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FDM Kit For Q8000

Load Board Kits

SRC - Signal Routing Card

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Universal Load Board

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Q2/52 & Q2/62

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Loadboard kits

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Q8000

140/142/A/AX

 


 

GT 658
PC-BASED TIME INTERVAL ANALYZER

The GT658 PCI is an ultra-fast, high resolution, DC - 400 MHz Time Interval Analyzer (TIA) and is ideal for most PC-based lab bench (timing) test applications.

For more information please click: GT658 Spec Sheet

Ordering Information:    Qst P/N: 1014xx - GT658 TimeIntervalAnalyzer
                                         Qst P/N: 1014xx - GT-2G 2GHz RF Channel Option

PRICING:         $ Call                 In Stock at Quest

Features

Measure Frequency vs Time, Time-Interval vs Time, Phase vs Time

DC to 400 MHz, 75 ps resolution (GT658)

150K Meas./sec continuously to PC memory

Up to 10M Measurement per Second

2 Channel or 16 Channel models

ATEasy Virtual Panel & Driver available

The GT65X Series Time Interval Analyzers (TIA's) are super high speed time and frequency measurement instruments that can make up to 10 million measurements per second at a resolution of 0.075 ns for each measurement (2 ps with averaging). Compared to traditional time interval counters, the fast measurement rate gives you the new capabilty to analyze dynamic changes in frequency or time intervals.

GT658
GT658

Applications

Automatic Test Equipment (ATE)

Oscillator stability, clock jitter

Motor characterization - speed vs. time

Disk drive/tape drive timing analysis

Ultrasonics echo delay-time measurements

Nuclear physics

Geophysical measurements

Measurement Modes

- Frequency vs. Time
- Phase vs. Time
- Time Interval vs. Time

In addition to the functions offered by traditional time interval and frequency counters, the GT65X Series Time Interval Analyzers open an exciting new world of measurements that can be applied in a large variety of fields. Unlike voltmeters and digital scopes, resolution is not given up for speed when using time interval analyzers. When measurements are taken over the same time, the exact same resolution is obtained as a precision counter. For example, when operating at maximum rate, the GT658 can take 3.5 million frequency measurements in one second. Each of these measurements have 3 digits of resolution. However, by using the first and last samples, the frequency can be determined to 10 digits of resolution. The best of both worlds is achieved - fast measurements and high resolution in a single pass.

Programming

The GT65X family is supplied with software drivers to support development environments such as: Microsoft Visual C++, Borland C, ATEasy, Microsoft Visual Basic, Borland Pascal, Borland Delphi, and more. A virtual panel is provided for standalone applications and debug mode.

32-bit MS-Windows DLL - used with a WIN32 application running under Windows 95 and Windows NT.

16-bit MS-Windows DLL (Dynamic Link Library) - used with a 16-bit Windows application running under Windows 3.1.

DOS static libraries - Microsoft format and Borland format - used by DOS applications compiled with Microsoft or Borland development tools

GT65X Time Interval Analyzer
GT65X Time Interval Analyzer

Specifications

GT658

INPUT SPECIFICATIONS

Main Channels

2 BNC

External Clock

1 BNC

External Arm

1 BNC

TIME RESOLUTION

Single Shot

75 ps

Averaged

2 ps

TIMEBASE ACCURACY

Temperature

± 1ppm, 0°C to 50°C

Aging

< 1ppm / Year

Short Term

< 2x10 -10rms

MEASUREMENT RATE

 

3.5 MS/s

Frequency Resolution

10-12 Digits/Sec

Time Interval Accuracy

± 0.5 ns

MAIN INPUT CHANNELS

Frequency Range

DC - 400 MHz

Min. Pulse Width

1.5 ns

Sensitivity

50-150 mV rms

Input Impedance

1 M-ohm / 20 pF

Coupling

AC, DC

Threshold Setting

-5 V to +8 V
in 3.5 mV Step

EXTERNAL CLOCK AND ARM INPUTS

Clock Frequency

10 MHz±10 ppm

Arm Frequency

DC - 80MHz

Min. Pulse Width

6 ns

Sensitivity

50mV rms

Input Impedance

1 k-ohm

Coupling

DC

Threshold Setting

-5 V to +5 V in 2.5 mV Step

Memory

128Kbyte to 2Mbyte


STANDARD MODELS

Model

Channels

Frequency Range

Meas Rate (MS/Sec)

Resolution

GT658

2

DC - 400 MHz (2 GHz opt)

3.5

0.080 ns (PCI)

 


Ordering Information

GT658

400 MHz Time Interval Analyzer w/ 80 ps resolution 2 Ch.
100 ps resolution, 3.5 MS/s

GT-2G

2 GHz RF Channel Option

Contact Geotest for 512Kbyte and 4Mbyte Memory Option prices for all models

Product Benefits:

Resolution, Accuracy, and Measurement Rate:

Interface to the PC:

Service Warranty:

Time Res. -- Single Shot

75 pS

Time Res. -- Averaged

10 pS

Freq. Res. (Digits/S)

Up to 12

Time Interval Accuracy (Channel A to B)

+/- 0.5 nS

Max. Meas. Rate (MSa/S)

3.5


*Specifications are subject to change without notice.