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The '''Tektronix 2782''' is a 100 Hz - 33 GHz spectrum analyzer.
{{Instrument Sidebar
|manufacturer=Tektronix
|model=2782
|class=Spectrum Analyzer
|summary=33 GHz Spectrum Analyzer
|image=Tek 2782 2.jpg
|caption=Tektronix 2782
|introduced=1990
|discontinued=1995
|manuals=
* [[Media:070-8244-02.pdf|Tektronix 2780 Series Service Manual]]
* [[Media:070-8067-00.pdf|Tektronix 2782 Installation and Performance Verification]]
* [[Media:070-6799-00.pdf|Tektronix 2782 Module Level Service Manual]]
* [[Media:Tek 2782 specifications ordering information.pdf|Tektronix 2782 Specifications Ordering Information]]
* [[Media:Tek 2780 vol1.pdf|Tek 278x Documentation with Schematics, Volume 1]]
* [[Media:Tek 2780 vol2.pdf|Tek 278x Documentation with Schematics, Volume 2]]
* [[Media:Tek 2782 schematics scan2.pdf|Tektronix 2782 Schematics (alternative scan)]]
* [[Media:Tek 2782 engineering change orders.pdf|Tek 2782 Engineering Change Orders]]
* [[Media:Tek 2782 color brochure.pdf|Tek 2782 Brochure]]
* [[Media:26W-7051.pdf|Tek 2782 Brochure "Expanding your microwave measurement window."]]
* [[Media:Tek 2782 news release.pdf|Tek 2782 News Release]]
* [[Media:Tek 2782 technology backgrounder.pdf|Tek 2782 Technology Backgrounder]]
}}
The '''Tektronix 2782''' is a spectrum analyzer with a frequency range of 100 Hz to 33 GHz in coax, to 325 GHz with external waveguide mixers.  


{{MissingSpecs}}
It has digital storage including non-volatile memory for storing up to 20 separate waveforms with readouts and markers, and up to 20 front-panel control setups.
The instrument can selectively count one particular signal out of several that may be present at its input.


Single and delta markers provide direct readout of frequency and amplitude information


{{BeginSpecs}}
{{Spec | Frequency Range | 100 kHz to 33 GHz (to 325 GHz with external waveguide mixer }}
{{Spec | Resolution Bandwidth | 6 dB bandwidths from 3 Hz to 10 MHz (1–3–10) }}
{{Spec | RF Input impedance | 50 Ω, max. +30 dBm CW with ≥10 dB attenuation; max. +47 dBm (50 W) peak pulse, 1 µs and <0.005 duty factor with ≥50 dB attenuation; DC: 0 V, <100 mA continuous with 0 dB attenuation }}
{{Spec | External Mixer Input | –40 dBm full screen, –20 dBm reference Level, 20 dB mixer conversion loss, 50 Ω with VSWR <1.9:1 at 525 MHz, and <2.2:1 at 3.525 GHz }}
{{Spec | RF Attenuator | 0 dB to 70 dB, 10 dB steps }}
{{Spec | Reference Level | –140 dBm to +30 dBm; range extends to +60 dBm in overdrive mode }}
{{Spec | Marker Frequency | 100 Hz to 1.2 THz }}
{{Spec | LO Output Power | ≥15 dBm at 8.105 Ghz to 17.9 GHz }}
{{Spec | Sweep Speed | 200 s to 2 µs, 1–2–5 }}
{{Spec | Video Bandwidth | 0.03 Hz to 300 kHz (1–3–10), and 10 MHz, ±25% }}
{{Spec | Triggering | * Internal: AC coupled; 10 Hz to 1 MHz;  External: DC coupled; 0 Hz to 5 MHz, or 0 Hz to 1.5 kHz; Line}}
{{Spec | Displayed Average Noise | −85 dBm to −135 dBm; w/WM782 Waveguide Mixer Series: -75 dBm to -115 dBm }}
{{Spec | Phase Noise Performance | –105 dBc/Hz at 10 kHz offset up to 21 GHz }}
{{Spec | Display Dynamic Range | 100 dB }}
{{Spec | Power | 90 − 132 V<sub>AC</sub>, 47 to 440 Hz or 180 – 250 V<sub>AC</sub>, 47 to 63 Hz; 250 W max. (25 W standby) }}
{{Spec | Weight | 20 kg (44 lbs) with std accessories, cover, and no manuals}}
{{EndSpecs}}
<small>
Front panel: RF INPUT, [[Planar Crown connector]], 50 Ω (Compatible with K or type N connectors);
EXTERNAL MIXER, [[SMA connector]] (50 Ω) , LO OUTPUT, [[SMA connector]] (>+4 dBm, must be terminated);
REF SIGNAL OUT, [[SMA connector]] (100 MHz  20dBm phase locked to reference oscillator);
ACCESSORY IN (general purpose serial data port);
PROBE POWER


{{MissingPics}}
Rear panel inputs: FREQ REF (IN/OUT), [[BNC connector]] (50 Ω, 10 MHz ±5 Hz, 0 to +15 dBm;
TRIG/HORIZ IN, [[BNC connector]] (0.5 V<sub>p-p</sub> trig / 0 to +10 V sweep);
ACCESSORY, female [[DB15 connector]];
INSTRUMENT BUS, female [[DB9 connector]];


[[Category:Spectrum Analyzers]]
Rear panel outputs:
V OUT, H OUT, Z OUT ([[BNC connectors]]);
IF OUT, [[BNC connector]] (50 Ω); PORT 1, PORT 2 – [[GPIB interface]]s
</small>
 
==Options==
* Opt. 16: 49X/275X/279X Series GPIB Language
* Opt. 18: WM782 Bands Q, U, V, E, and W (freq coverage from 33-110 GHz)
* Opt. 19: WM782 Bands A, U, E, F, G, and J (freq coverage from 26-325 GHz)
* Opt. 20: Utility software for PC, includes GPIB card
 
==Software==
* [[Media:063-0227-00.zip|2782 Performance Verification Software Ver. 4.0 Tek Part #063-0227-00]] (ZIP)
* [[Media:063-0228-01.zip|2782 Flatness, Calibration and Performance Verification Software Ver. 1.0 Tek Part #063-0228-01]] (ZIP)
 
==Links==
{{Documents|Link=2782}}
 
==Pictures==
<gallery>
Tek 2782 1.jpg
Tek 2782 2.jpg
Tek 2782 3.jpg
Tek 2782 4.jpg
Tek 2782 5.jpg
Tek 2782 6.jpg
Tek 2782 7.jpg
Tek 2782 8.jpg
Tek 2782 9.jpg
</gallery>
 
==Components==
{{Parts|2782}}
 
[[Category:Spectrum analyzers]]

Latest revision as of 14:19, 7 June 2024

Tektronix 2782
33 GHz Spectrum Analyzer
Tektronix 2782

Produced from 1990 to 1995

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 2782 is a spectrum analyzer with a frequency range of 100 Hz to 33 GHz in coax, to 325 GHz with external waveguide mixers.

It has digital storage including non-volatile memory for storing up to 20 separate waveforms with readouts and markers, and up to 20 front-panel control setups. The instrument can selectively count one particular signal out of several that may be present at its input.

Single and delta markers provide direct readout of frequency and amplitude information

Key Specifications

Frequency Range 100 kHz to 33 GHz (to 325 GHz with external waveguide mixer
Resolution Bandwidth 6 dB bandwidths from 3 Hz to 10 MHz (1–3–10)
RF Input impedance 50 Ω, max. +30 dBm CW with ≥10 dB attenuation; max. +47 dBm (50 W) peak pulse, 1 µs and <0.005 duty factor with ≥50 dB attenuation; DC: 0 V, <100 mA continuous with 0 dB attenuation
External Mixer Input –40 dBm full screen, –20 dBm reference Level, 20 dB mixer conversion loss, 50 Ω with VSWR <1.9:1 at 525 MHz, and <2.2:1 at 3.525 GHz
RF Attenuator 0 dB to 70 dB, 10 dB steps
Reference Level –140 dBm to +30 dBm; range extends to +60 dBm in overdrive mode
Marker Frequency 100 Hz to 1.2 THz
LO Output Power ≥15 dBm at 8.105 Ghz to 17.9 GHz
Sweep Speed 200 s to 2 µs, 1–2–5
Video Bandwidth 0.03 Hz to 300 kHz (1–3–10), and 10 MHz, ±25%
Triggering * Internal: AC coupled; 10 Hz to 1 MHz; External: DC coupled; 0 Hz to 5 MHz, or 0 Hz to 1.5 kHz; Line
Displayed Average Noise −85 dBm to −135 dBm; w/WM782 Waveguide Mixer Series: -75 dBm to -115 dBm
Phase Noise Performance –105 dBc/Hz at 10 kHz offset up to 21 GHz
Display Dynamic Range 100 dB
Power 90 − 132 VAC, 47 to 440 Hz or 180 – 250 VAC, 47 to 63 Hz; 250 W max. (25 W standby)
Weight 20 kg (44 lbs) with std accessories, cover, and no manuals

Front panel: RF INPUT, Planar Crown connector, 50 Ω (Compatible with K or type N connectors); EXTERNAL MIXER, SMA connector (50 Ω) , LO OUTPUT, SMA connector (>+4 dBm, must be terminated); REF SIGNAL OUT, SMA connector (100 MHz  20dBm phase locked to reference oscillator); ACCESSORY IN (general purpose serial data port); PROBE POWER

Rear panel inputs: FREQ REF (IN/OUT), BNC connector (50 Ω, 10 MHz ±5 Hz, 0 to +15 dBm; TRIG/HORIZ IN, BNC connector (0.5 Vp-p trig / 0 to +10 V sweep); ACCESSORY, female DB15 connector; INSTRUMENT BUS, female DB9 connector;

Rear panel outputs: V OUT, H OUT, Z OUT (BNC connectors); IF OUT, BNC connector (50 Ω); PORT 1, PORT 2 – GPIB interfaces

Options

  • Opt. 16: 49X/275X/279X Series GPIB Language
  • Opt. 18: WM782 Bands Q, U, V, E, and W (freq coverage from 33-110 GHz)
  • Opt. 19: WM782 Bands A, U, E, F, G, and J (freq coverage from 26-325 GHz)
  • Opt. 20: Utility software for PC, includes GPIB card

Software

Links

Documents Referencing 2782

Document Class Title Authors Year Links
26W-7044.pdf Application Note Pulsed Signal Spectrum Analysis 1989 Spectrum Analyzers • 492BP • 494AP • 2782
26W-7051.pdf Application Note Expanding Your Microwave Measurement Window 1989 2782

Pictures

Components

Some Parts Used in the 2782

Part Part Number(s) Class Description Used in
Intel 8086 Monolithic integrated circuit 16-bit microprocessor 1240 • 2220 • 2221 • 2230 • 2246 • 2232 • 2245A • 2782 • 4114 • 4115
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