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QMA Series Spectrum Analyzer
Mixers and Diplexers

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Characteristics
  • Extends Spectrum Analyzer Frequency Range
  • High Sensitivity

  • Compatible with Many Popular Spectrum Analyzer Models

Product Description

QuinStar Technology's QMA series of spectrum analyzer mixers facilitate the display and measurement of millimeter-wave signals using lower frequency (microwave) local oscillator signals. They cover the frequency range of 18 to 110 GHz in seven waveguide bands. These mixers are designed to operate with many popular spectrum analyzer models that have local oscillator outputs and IF inputs.

For spectrum analyzers with separate LO output and IF input ports, an optional diplexer that combines the LO and IF signals is available from QuinStar. Spectrum analyzers with built-in diplexers, such as the HP8555A, HP8565A, HP8569A, Tektronix 7L18 and Tektronix 492, do not require the diplexer option. However, the diplexer option is required for spectrum analyzers without built-in diplexers such as the HP8566A/B, HP8569B and Anritsu 710.

Specifications
FREQUENCY BAND K Ka Q U V E W
Frequency Range (GHz) 18-26.5 26.5-40 33-50 40-60 50-75 60-90 75-110
Waveguide Size WR-42 WR-28 WR-22 WR-19 WR-15 WR-12 WR-10
Min. Detectable Signal in 1 KHz Bandwidth (dBm typ) -110 -110 -105 -100 -95 -90 -85

Other waveguide sizes are available.


Outline Drawings / Mechanical Specifications
Diplexer Outlines

Mixer Outlines
FREQUENCY
BAND
WAVEGUIDE
SIZE
FLANGE
PATTERN
LO AND IF OUTLINE DIMENSIONS, inches/mm1
A B C
K WR-42 UG595/U SMA Jack 0.88/22.4 0.88/22.4 1.5/38.1
Ka WR-28 UG599/U SMA Jack 0.75/19.1 0.75/19.1 1.5/38.1
Q WR-22 UG383/U SMA Jack 1.13/28.7 1.13/28.7 1.25/31.75
U WR-19 UG383/U SMA Jack 1.13/28.7 1.13/28.7 1.25/31.75
V WR-15 UG385/U SMA Jack 0.75/19.1 0.75/19.1 0.75/19.1
E WR-12 UG387/U SMA Jack 0.75/19.1 0.75/19.1 0.75/19.1
W WR-10 UG387/U SMA Jack 0.75/19.1 0.75/19.1 0.75/19.1

1 Dimensions do not include diplexer option.


Ordering Information

Model Number: QMA - A B C 000  (click here for automated web quote request form)

A = Waveguide band designator:
K = K-band
A = Ka-band
Q = Q-band
U = U-band
V = V-band
E = E-band
W = W-band
B = Polarity (Mixer bias voltage with respect to case):
P = Positive
N = Negative
C = Diplexer option
0 = no diplexer provided by QuinStar
D = with diplexer provided by QuinStar

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- Coaxial Mixers (QCM Series) Catalog Request
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