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{{ | {{Instrument Sidebar | ||
|class=Spectrum Analyzer | |||
summary=Spectrum Analyzer | |manufacturer=Tektronix | ||
image= Tek 492 3.jpg | | |model=492 | ||
caption=Tektronix 492 | | |summary=21 GHz Spectrum Analyzer | ||
introduced=1980 | | |image=Tek 492 3.jpg | ||
discontinued=1993 | | |caption=Tektronix 492 | ||
manuals= | |introduced=1980 | ||
|discontinued=1993 | |||
|designers= | |||
|manuals= | |||
* [[Media:070-2726-03.pdf| Tektronix 492 & 492P Operator Manual (PDF, OCR)]] | * [[Media:070-2726-03.pdf| Tektronix 492 & 492P Operator Manual (PDF, OCR)]] | ||
* [[Media:070-3783-01.pdf| Tektronix 492 & 492P Service Manual – Volume 1 (PDF)]] | * [[Media:070-3783-01.pdf| Tektronix 492 & 492P Service Manual – Volume 1 (PDF)]] | ||
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* [[Media:Tek_490-Series_Final Spec_1991.pdf| Tektronix 492 Final Spec (PDF, OCR)]] | * [[Media:Tek_490-Series_Final Spec_1991.pdf| Tektronix 492 Final Spec (PDF, OCR)]] | ||
}} | }} | ||
The '''Tektronix 492''' is a spectrum analyzer with a frequency range of 10 kHz to 21 GHz in coax, and up to 325 GHz with external waveguide mixers (492PGM N/A). The '''P''' suffix designation indicates GPIB '''P'''rogrammability. The minimum resolution bandwidth is 100 Hz, and provides measurement resolution proportional to the frequency accuracy or span. With non-volatile memory (NVRAM) you can save up to 9 waveform displays, up to 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines. | The '''Tektronix 492''' is a spectrum analyzer with a frequency range of 10 kHz to 21 GHz in coax, and up to 325 GHz with external waveguide mixers (492PGM N/A). The '''P''' suffix designation indicates GPIB '''P'''rogrammability. The minimum resolution bandwidth is 100 Hz, and provides measurement resolution proportional to the frequency accuracy or span. With non-volatile memory (NVRAM) you can save up to 9 waveform displays, up to 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines. | ||
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{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Frequency | {{Spec | Frequency | | ||
* Coaxial Input Bands: 10 kHz to 21 GHz | * Coaxial Input Bands: 10 kHz to 21 GHz | ||
* External Waveguide mixers: 10 kHz to 325 GHz (applies to 492BP not 492PGM) }} | * External Waveguide mixers: 10 kHz to 325 GHz (applies to 492BP not 492PGM) }} | ||
{{Spec | Frequency Span | {{Spec | Frequency Span (plus 0 Hz and MAX) | 492BP: 100 Hz/div to 10 GHz/div; 492PGM: 200 MHz to 1 GHz; both in 1, 2, 5 sequence }} | ||
{{Spec | Resolution Bandwidth | {{Spec | Resolution Bandwidth (-6 dB bandwidth) | 492BP: 100 Hz to 3 MHz; 492PGM: 1 kHz to 3 MHz; both in decade steps }} | ||
{{Spec | RF Input impedance | | {{Spec | RF Input impedance | 50 Ω }} | ||
{{Spec | Maximum Safe Input Power | CW: +30 dBm (1 W); Pulse: 75 W Pk (1 µS pulse, 0.1% duty factor) }} | {{Spec | Maximum Safe Input Power | CW: +30 dBm (1 W); Pulse: 75 W Pk (1 µS pulse, 0.1% duty factor) }} | ||
{{Spec | RF Attenuator | {{Spec | RF Attenuator | 0 dB to 60 dB, 10 dB steps }} | ||
{{Spec | Reference Level | {{Spec | Reference Level | -117 dBm to +30 dBm }} | ||
{{Spec | Sweep Speed | {{Spec | Sweep Speed | 10 sec/div to 20 µs/div in 1, 2, 5 sequence }} | ||
{{Spec | Video Bandwidth | {{Spec | Video Bandwidth | 492BP: 0.3 Hz to 30 kHz; 492PGM: 3 Hz to 30 kHz }} | ||
{{Spec | Triggering Modes | Free Run, Line, Video, Single, External }} | {{Spec | Triggering Modes | Free Run, Line, Video, Single, External }} | ||
{{Spec | Displayed Average Noise | −30 dBm to −131 dBm }} | {{Spec | Displayed Average Noise | −30 dBm to −131 dBm }} |