The Keysight Agilent 11970W is a high-performance waveguide harmonic mixer designed to extend the frequency range of compatible spectrum analyzers into the W-band (75 to 110 GHz). It employs a dual-diode design that achieves exceptionally flat frequency response and low conversion loss without the need for an external DC bias or tuning stubs, simplifying both manual and automated test setups.

Specifications

Physical

ParameterValue
Power SupplyNone required (unbiased passive device)
Operating Temperature0 to 55 °C
Dimensions (W×H×D)46 mm × 46 mm × 95 mm
Weight0.14 kg
Shipping Weight0.9 kg

Frequency & Band Specifications

ParameterValue
Waveguide Band DesignationW-band
RF Input Frequency Range75 to 110 GHz
LO Input Frequency Range3 to 6.1 GHz
IF Output Frequency RangeDC to 1300 MHz
LO Harmonic Number (N)18-

Electrical & Performance Parameters

ParameterValue
Conversion Loss (Maximum)46 dB
Flat Frequency Response±3.0 dB
Maximum CW RF Input Level+20 dBm (100 mW)
Maximum Peak Pulse Power+24 dBm (250 mW)
LO Amplitude Range+14 to +18 dBm

Port Impedance & VSWR

ParameterValue
Typical RF Input SWR< 2.6:1

Physical Interfaces & Connectors

ParameterValue
RF Input Connector TypeWR-10 Waveguide (UG-387/U flange)
LO Input Connector TypeSMA female
IF Output Connector TypeSMA female

DC Bias & Control Requirements

ParameterValue
DC Bias or Tuning AdjustmentsNone required

System Compatibility

ParameterValue
Compatible Spectrum AnalyzersAgilent E4440A/46A/48A PSA Series, Agilent E4407B ESA-E Series, Agilent 8560 E-Series, Agilent 8566B (with 11975A amplifier), Agilent 70000 modular measurement system (with 70907A/B external mixer interface modules)

Environmental

ParameterValue
Storage Temperature-40 to +75 °C
Operating Altitudeup to 4,570 m
Non-Operating Altitudeup to 15,240 m
Operating Humidity95% RH at 40 °C

General

ParameterValue
CalibrationIndividually calibrated conversion loss curve printed on the mixer body

Standards & Compliance

ParameterValue
Vibration and Shock ComplianceMIL-T-28800C, Class 5

Technology

Waveguide Harmonic Mixer

Applications

RF & Microwave Spectrum Analysis

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