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Fig.2.3 Top Panel of S3302 Series Spectrum Analyzer
2.5.1 Power interface
The power interface of the device is for powering the device through DC output of AC-DC adapter or through
external DC power source. The conductor inside the external power interface is positive and the external
conductor is grounded.
2.5.2 Test ports
(1)
RF input port: This port is for inputting tested signal. The test signal input port of S3302 is 50Ω. 4GHz,
6.5GHz, 9GHz, 20GHz and 26.5GHz models use N type female port and 32GHz and 44GHz models use 2.4mm
male port.
(2)
RF output port: This port is for signal output. 50Ω impedance, N-type female port, provided only when
customers need the tracking generator option.
(3)
10MHz input/output port: This port is for connecting 10MHz signal of other devices as the reference signal
of the analyzer. It can also be used for outputting the internal 10MHz reference signal for other devices.
(4)
IF output port: Under zero span, this port can be used for outputting the IF signals for other devices
through software configuration.
(5)
Trigger input port: External trigger mode can be set for S3302. The scope of trigger source must be -5V to
+5V when connecting the external trigger source to the trigger input port of the Spectrum Analyzer. Rising edge
trigger or fall edge trigger can be set by the software.
(6)
GPS antenna port: This port can be used for connecting GPS antenna device for locating current position of
the Spectrum Analyzer.
!
WARNING
In order to protect the spectrum analyzer, the instrument test ports are provided with
some signs. To use the spectrum analyzer, be sure to read these signs to avoid
permanent damage to the instrument.
For details of the instrument signs, see section 2.5.4.
2.5.3 Digital interfaces
(1)
Mini USB interface: This interface is used for connecting external PC which realizes program control or
data transmission for S3302 through program control commands or function library.
