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GT 658 |
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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
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. |
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Automatic Test Equipment (ATE) |
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Oscillator stability, clock jitter |
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Motor characterization - speed vs. time |
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Disk drive/tape drive timing analysis |
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Ultrasonics echo delay-time measurements |
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Nuclear physics |
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Geophysical measurements |
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- 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.
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.
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GT658 |
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INPUT SPECIFICATIONS |
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Main Channels |
2 BNC |
External Clock |
1 BNC |
External Arm |
1 BNC |
TIME RESOLUTION |
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Single Shot |
75 ps |
Averaged |
2 ps |
TIMEBASE ACCURACY |
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Temperature |
± 1ppm, 0°C to 50°C |
Aging |
< 1ppm / Year |
Short Term |
< 2x10 -10rms |
MEASUREMENT RATE |
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3.5 MS/s |
Frequency Resolution |
10-12 Digits/Sec |
Time Interval Accuracy |
± 0.5 ns |
MAIN INPUT CHANNELS |
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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 |
EXTERNAL CLOCK AND ARM INPUTS |
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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 |
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Model |
Channels |
Frequency Range |
Meas Rate (MS/Sec) |
Resolution |
GT658 |
2 |
DC - 400 MHz (2 GHz opt) |
3.5 |
0.080 ns (PCI) |
GT658 |
400 MHz Time Interval Analyzer w/ 80 ps resolution 2 Ch. |
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:
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*Specifications are subject to change without notice.
