2641: Difference between revisions

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{{Oscilloscope Sidebar |
{{Instrument Sidebar  
title=Tektronix 2641 |
|manufacturer=Tektronix
summary=Fourier Analyzer DC to 100 kHz |
|model=2641  
image= Tek_2641_1.JPG |
|class=Spectrum Analyzer
caption=Tektronix 2641 |
|summary=100 kHz Fourier Analyzer  
introduced=1991 |
|image=Tek_2641_1.JPG  
discontinued=1993 |
|caption=Tektronix 2641  
manuals=
|introduced=1991  
Need User Guide and Service Manual
|discontinued=1993  
|manuals=
* [[Media: Tek_2600_Series_Catalog_1991.pdf| Tektronix 2641 Final Spec (PDF)]]
* [[Media: Tek_2600_Series_Catalog_1991.pdf| Tektronix 2641 Final Spec (PDF)]]
* ''User Guide and Service Manual needed'' [[Category:Manual needed]]
}}
}}
The '''Tektronix 2641''' is a Fourier analyzer that links dedicated signal acquisition and analysis with a personal computer’s mass storage and graphics.   
The '''Tektronix 2641''' is a Fourier analyzer that links dedicated signal acquisition and analysis with a personal computer’s mass storage and graphics.   
It allows measurement solutions for electrical, mechanical, and electromechanical applications in the DC to 100 kHz frequency range.   
It allows measurement solutions for electrical, mechanical, and electromechanical applications in the DC to 100 kHz frequency range.   
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Each of the channel inputs provide simultaneous sampling of all channels utilizing 12 bit ADC standard or 16 bit ADC optionally.   
Each of the channel inputs provide simultaneous sampling of all channels utilizing 12 bit ADC standard or 16 bit ADC optionally.   
Signal processing includes Fourier Transform (FFT) and Spectral Lines.   
Signal processing includes Fourier Transform ([[wikipedia:Fast_Fourier_transform|FFT]]) and Spectral Lines.   
The signal generator has a wide variety of functions, like sine, square, sawtooth, triangle, input, random, adjustable random, chirp, and arbitrary.
The signal generator has a wide variety of functions, like sine, square, sawtooth, triangle, input, random, adjustable random, chirp, and arbitrary.   With the optional TurboPac Application Library and Run-Time License advanced measurement calculations and graphs can be generated from the data collected.
With the optional TurboPac Application Library and Run-Time License advanced measurement calculations and graphs can be generated from the data collected.


The PC’s monitor displays the measurements results – but that’s where the Fourier Analyzer dependence on the PC stops.   
The PC’s monitor displays the measurements results – but that’s where the Fourier Analyzer dependence on the PC stops.   
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It allows one to focus up to 1600 spectral line with a span as small as 10 Hz about the frequency of interest.
It allows one to focus up to 1600 spectral line with a span as small as 10 Hz about the frequency of interest.


To learn more about FFT read '''[[wikipedia:Fast_Fourier_transform|Fast Fourier transform]]''' on at https://en.wikipedia.org/wiki/Fast_Fourier_transform.
Front panel inputs/outputs are: CH1, CH2, CH3, and CH4 each with a [[BNC connector]] (1 MΩ; 200 pF; ±30 V);
and OUTPUT [[BNC connector]] (50Ω; ±10 V; signal general output capable of a variety of pre-defined, as well as user-defined, signals.)
Rear panel inputs/outputs are: SYSTEM INTERCONNECT [[DB9 connector]] (Male connector used for both External triggering, and External sampling inputs. 
All pins TTL-level except Signal ground: Pin 1 triggering signal input; pin 2 trigger sense output; pin 3 external clock input; pins 6 thru 8 signal ground;
pin 9 is the external sampling input); and SERIAL PORT [[BNC connector]] (Female connector used linking to the host computer via a Tektronix supplied serial interface cable).
---------------------------------------------------------
<div style='text-align: center;'>Specifications based on 1991 published documentation, unless otherwise specified.</div>
{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Frequency Ranges | DC to 100 kHz }}  
{{Spec | Frequency Ranges | DC to 100 kHz }}  
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{{Spec | Input Impedance | 1 MΩ; 200 pF }}
{{Spec | Input Impedance | 1 MΩ; 200 pF }}
{{Spec | Max Input Level | ±30 V }}
{{Spec | Max Input Level | ±30 V }}
{{Spec | Included Accessories | User Guide; Instrument Program Software; System Simulator Box; Power Cord; and Serial Interface Cable (please specify) }}
{{Spec | Weight | Standard accessories: 11.8 kg (26 lbs) }}
{{Spec | Weight | Standard accessories: 11.8 kg (26 lbs) }}
{{Spec | Power | 90 − 250 V<sub>AC</sub>, 48 to 66 Hz, >120 W }}
{{Spec | Power | 90 − 250 V<sub>AC</sub>, 48 to 66 Hz, >120 W }}
{{Spec | Operating Atmospherics | Temperatures: 0 °C to +50 °C; Humidity: 95% for five days; Altitude: Up to 4.8 km (15,000 ft) }}
{{EndSpecs}}
{{EndSpecs}}
Front panel:
* CH1, CH2, CH3, and CH4 each with a [[BNC connector]] (1 MΩ; 200 pF; ±30 V);
* OUTPUT [[BNC connector]] (50 Ω; ±10 V; signal general output capable of a variety of pre-defined, as well as user-defined, signals.)
Rear panel:
* SYSTEM INTERCONNECT [[DB9 connector|DB-9 male]] used for both External triggering, and External sampling inputs. 
All pins TTL-level: Pin 1 triggering signal input; pin 2 trigger sense output; pin 3 external clock input; pins 6 thru 8 signal ground;
pin 9 is the external sampling input);
* SERIAL PORT [[BNC connector]] (linking to the host computer via a Tektronix supplied serial interface cable).


==Options==
==Options==
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* Opt. 3H: 4-CH Zoom
* Opt. 3H: 4-CH Zoom
* Opt. 4H: Signal Generator
* Opt. 4H: Signal Generator
 
==Software==
* [[Media:Tektronix-2622,2630,2641,2642,Software_and_app._utilies_for_Tek_26xx_Fourier_Analyzer_2.26-2600.zip|DOS software and applications for 2622, 2630, 2641 and 2642]]
==Pictures==
==Pictures==
<gallery>
<gallery>