Agilent
Data Sheet
11970 Series
Harmonic Mixers
For use with the Agilent E4407B, 8560E/EC Series, 8566B,
71000 Series, and PSA Series spectrum analyzers,
plus the N9030A PXA signal analyzer
18 to 110 GHz
11970K*, 11970A, 11970Q,
11970U, 11970V, 11970W
Exceptional performance
The Agilent Technologies 11970 Series harmonic mixers are general purpose mixers
employing a dual-diode design to achieve very flat frequency response and low
conversion loss. Each mixer is calibrated across its full band:
11970K* 18 to 26.5 GHz
11970A 26.5 to 40 GHz
This series of mixers has been designed for a local oscillator frequency of 3 to 6.1 GHz.
Accurate absolute amplitude measurements can be made by using the mixer’s conversion loss
calibration chart. The SWR of the waveguide input is typically 2.2:1 to further minimize
measurement uncertainty. The combination of high gain-compression level and low
conversion loss provides the maximum dynamic range for measuring input signals.
* 11970K is excluded from PXA support
11970Q 33 to 50 GHz
11970U 40 to 60 GHz
11970V 50 to 75 GHz
11970W 75 to 110 GHz
Easy to use
The excellent frequency response and low conversion
loss are achieved without external dc bias or tuning stubs.
Since bias and tuning stubs are not required, manual
operation is simplified, and the complexity of hardware and
software for automatic systems is greatly reduced. The
repeatability of amplitude measurements is also enhanced.
The dual-diode design of the mixers further simplifies
measurements by suppressing the odd-order harmonics by
more than 20 dB, which makes identification of the mixing
products easier.
Figure 1. The 11970 Series mixers have separate LO input
and IF output ports
Frequency extension for the Agilent E4407B,
8560E/EC Series, 8566B, and 71000 Series
and PSA Series spectrum analyzers
The 11970 Series harmonic mixers are fully compatible
with the Agilent E4407B, 8560E/EC Series, 8566B (requires
a preamplifier), 71000, and PSA Series spectrum analyzers.
Accurate frequency and amplitude measurements are
made directly from the spectrum analyzer’s display after
calibration using the mixer’s calibration chart.
Frequency extension for the Agilent
N9030A PXA Series signal analyzer
The 11970 Series harmonic mixers (11970K excluded)
are also compatible with the N9030A PXA Series highperformance signal analyzer. The PXA offers optional
external mixing (Option EXM), enabling it to work with
the 11970 Series and other external mixers for frequency
extension. An external diplexer is required because the
PXA external mixing has a single SMA LO/IF port, whereas
the 11970 Series mixers have separate LO and IF ports.
Recommended diplexers can be purchased from Agilent
as N9020A-E13, or from OML Inc. as DLP.313B.
Rugged
The rugged Agilent 11970 Series mixers will
survive input levels up to 100 milliwatts (+20 dBm)
with no damage to the mixer diodes. They will
withstand shocks up to 30 G’s and the vibration
required by MIL-STD 28800C, Type III, Class 3 tests.
Agilent 8560E/EC
Series spectrum
analyzer
Extended
frequency
8560E/EC
Series
Agilent E4407B
spectrum analyzer
Extended frequency
E4407B ESA-E Series
IF input
1st LO output
Spectrum analyzer
Agilent 11970 Series
harmonic mixer
Agilent PSA Series spectrum analyzer
Extended frequency PSA Series
IF Input/1st LO output
Agilent N9030A
PXA Series signal analyzer
Extended frequency PXA Series
RF input
SMA cable
SMA cable
SMA cable
SMA cable
Agilent 11970 Series
IF
Mixer
IF
diplexer
LO
SMA barrel
harmonic mixer
LO
2
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