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The '''Tektronix 2755AP''' 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.  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.  In addition to conventional digital storage features, non-volatile memory (NVRAM) stores up to 9 separate waveforms with their readouts and markers, for later recall for additional analysis and comparison, and 10 control settings.  Also, store up to 39 preselector peaks and 12 external band peaks.  The instrument can selectively count one particular signal out of several that may be present at its input.

{{BeginSpecs}}

* Coaxial Input Bands: 10 kHz to 21 GHz

* External Waveguide mixers: 18 kHz to 325 GHz }}

{{Spec | RF Input impedance | 50 Ω }}

{{Spec | Maximum Safe Input Power |

* Pulse Power: 75 W peak (1 µS pulse width, 0.1% duty factor) }}

{{Spec | External Mixer Input | 50Ω for IF frequency inputs from external mixers covering 18 to 325 GHz }}

{{Spec | LO Output Power (2 to 6 GHz) | 1st LO: +7.5 dBm to +15 dBm; 2nd LO: -22 dBm to +15 dBm; Must be terminated into 50 Ω when they are not connector to an external device }}

{{Spec | Triggering Modes | Internal, External, Line, Free Run }}

{{Spec | Displayed Average Noise | −125 dBm }}

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