6 Input/Output
6.2 Input
Mixer Model Mixer Selection display on Setup
Screen
Readback
GHz
Waveguide Harmonic Mixer
Extended E
Keysight M1971V: Option 001: 50 to 75
GHz
Waveguide Harmonic Mixer
USB - M1971E-001 V-Band USB Mixer
V-Band
Keysight M1971W: Option 001:75 to 110
GHz
Waveguide Harmonic Mixer
USB - M1971E-001 W-Band USB Mixer
W-Band
Keysight M1970V Option 001: 50 to 75
GHz
Waveguide Harmonic Mixer
USB - M1970V-001 V-Band USB Mixer
V-Band
Keysight M1970V Option 002: 50 to 80
GHz
Waveguide Harmonic Mixer
USB - M1970V-002 Extended V-
Band
USB Mixer
Extended V
Keysight M1970W Option 001: 75 to 110
GHz
Waveguide Harmonic Mixer
USB - M1970W-001 W-Band USB Mixer
W-Band
The Keysight USB mixer essentially acts as a “remote front end” and is fully
calibrated over the specified frequency range, without requiring any user
interaction. This is particularly useful at high mm-wave frequencies, where cable
loss is typically quite large, and it is desirable to bring the front end right up to the
device under test, rather than bringing the mm-wave signal to the instrument using
a lossy and uncalibrated cable or waveguide connection.
Connecting the mixer to the USB port on the instrument switches you to External
Mixing, aborts the current measurement, and initiates an alignment of the mixer. A
popup message, “USB Mixer connected” appears on the display. When a USB mixer
and the LO/IF cable are connected the alignment is performed. When the alignment
begins, an “Aligning” popup replaces the previous message on the display. When
the alignment completes, the current measurement restarts.
6.2.13.1 Mixer Presets
Presets the mixer setup for the particular type of mixer that you are using.
These presets are divided into four groups:
–
One for legacy HP/Agilent/Keysight mixers (11970)
–
Three for general purpose mixers:
2057 Short Range Comms & IoT Mode User's &Programmer's Reference
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