HP 70911A Ultra-Wide Bandwidth IF Module

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The HP 70911A ultra-wide bandwidth IF module adds receiver functionality to certain HP 70000 series spectrum analyzers. Designed specifically to work with the HP 71209A option 001 analyzer, it adds receive bandwidths of 10 MHz to 100 MHz in 10% increments. When the HP 70911A is added to the HP 71209A option 001, the combination constitutes the HP 71910A wide-bandwidth surveillance receiver.

Options are available to provide 70 MHz or 140 MHz IF outputs, demodulated FM out, or analog I/Q demodulated outputs. Also available are channel filters for the 70 MHz IF to selected any required bandwidth and shape. (A maximum of 15 filters can be configured.)


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The HP 70911 IF section is intended to work with the HP 71209A Option
001 spectrum analyzer to form the HP 71910A receiver.  Aside from this
combination, there is no specified performance.

The following specifications indicate performance which is realized when
configured into the HP 71910A receiver.


IF Bandwidth Specifications

Range: 10 MHz to 100 MHz in 10% steps Accuracy: 321.4 MHz output

IF Gain

Range: 0 to 70 dB in 1 dB steps Accuracy 20 °C to 30 °C 0 °C to 55 °C 10 dB to 40 dB: ±0.25 dB ±0.75 dB 50 dB to 60 dB: ±0.30 dB ±1.0 dB 0 dB to 70 dB: ±0.75 dB ±1.0 dB

Outputs (Characteristics)

Video Output: Front panel, BNC Bandwidth: Selected by IF and video bandwidth Level: 0-1 V VSWR: <1.5:1 Risetime: <10 ns 70 MHz IF Output (optional): Rear panel, SMB(m) VSWR: <1.5:1 Maximum Bandwidth: 40 MHz (may be limited by RF section) Group Delay Variation: 25 ns Amplitude Variation: 2.0 dB Symbol Error Rate (measured with 64 QAM signal at 150 Mbit/s): l x 10-6 for Eb/Nb>25 dB Noise Power Ratio: >40 dB, asymptotic Channel Filters 70 MHz, 6-pole, Chebyshev Number of Filters: 5 per board Standard Bandwidths (Custom filters available): 1.25, 5, 10, 20, and 36 MHz 140 MHz IF Output (optional): Rear panel, SMB (m) VSWR: < 2.0:1 Maximum Bandwidth: 70 MHz (may be limited by RF section) Group Delay Variation: 25 ns Amplitude Variation: 4.5 dB Symbol Error Rate: l x l0-6 for Eb/Nb>25 dB (measured with 64 QAM signal at 150 Mbit/s) Noise Power Ratio 40 dB, asymptotic I/Q Outputs (optional): Front panel, BNC Level: ±0.5 V Bandwidth (-3 dB): 50 MHz, each channel Quadrature Error: 6° I/Q Gain Imbalance: 1.25 dB Total Harmonic Distortion: <1% (<-40 dBc) Spurious Emissions: -70 dBc, non-harmonic Rise Time (10-90%): 10 ns Residual dc Offset: ±25 mV VSWR: <1.5:1 FM Video Output (optional): Front panel, BNC Level: ±0.5 V VSWR: <1.5:1 Modulation Frequency: 12 MHz, maximum Spurious Emissions: -35 dBm Peak-Peak Deviation 10 MHz 40 MHz FM Sensitivity: 0.1 V/MHz 0.025 V/MHz Linearity: ±0.5% ±0.15%

Declarations of Conformity


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HP 70911A	Ultra-Wide Bandwidth IF Module

Output Options (Four slots are availabe for output options)
   Opt 001	70 MHz IF output (requires 1 option slot)
   Opt 002	140 MHz IF output (requires 1 option slot)
   Opt 004	Analog I/Q output (requires 2 option slots)
   Opt 005	FM output (requires 1 option slot)
   Opt 007	70 MHz IF channel filters (requires opt. 001 and
                1 option slot per board of 5 filters)

Upgrade Options
   Opt 098	LO firmware and processor board upgrade
   Opt 099	LO firmware upgrade

HP 8480 series of power sensors

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HP 70911A Ultra-Wide Bandwidth IF Module, Configuration Guide

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Available accessories for this product include:


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Page Updated: Wednesday January 07 23:27:35 UTC 1998