Atec Aeroflex-3920B - Manual (Page 3)

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3920B STAnDARD FEATURES
FM/AM/SSB Analog Duplex operation: The 3920B features advanced
RF testing capabilities for FM/AM/SSB radio transmitters and receiv-
ers. The features for analog duplex testing are:
• 1 GHz frequency range for transmitter and receiver (2.7 GHz
optional)
• Three Modulation sources
• Three Audio sources
• DTMF encode and decode
• DCS encode and decode
• 2-tone sequential and tone remote encode and decode
• Tone sequential encode operation that includes up to 40 tones, user
defined pause, tone frequency shift, all standard tone sequential
codes and two USER defined sequential codes
• Tone sequential decode that can decode according to standard tone
protocols or according to user defined tone protocol
• Channel analyzer that can simultaneous display the RF spectrum
while demodulating received signal
• Meters for measuring RF Power, Modulation, Frequency Offset,
Distortion, Audio level, SINAD, SNR, and Hum and Noise
• Dual Channel 4 MHz Oscilloscope
Analog Duplex Screen
Full span spectrum analyzer: View signals from 1 MHz to 1 GHz
with the 3920B or to a full 2.7 GHz with the frequency extended option.
With a DANL of -140 dBm (300 Hz RBW with pre-amp enabled), the
3920B provides high performance spectrum analysis. This full band
analyzer provides plenty of range to view harmonics and other
spurious emissions in and out of band.
Spectrum Analyzer
Digital Multimeter: Now standard for the 3920B is the Digital
Multimeter. The Digital Multimeter comes with three new ports on the
front panel used for measuring AC/DC volts, AC/DC amps and OHMS.
Remote Control: The 3920B supports remote control via GPIB for
automated test system control. A VXI pnp VISA driver allows easy test
system integration of the 3920B. In addition to a native 3920B command
set, the 3920B also supports commands for the HP/Agilent 8920B that
allows migration from the 8920B to the 3920B extremely easy.
Remote Operation: Use of the 3920B Ethernet connection permits
remote operation from anywhere in the world making it possible to
download new software or remotely interrogate instrument status. With
an internal VNC server, users can install VNC software on their PC or
Tablet PC and remotely operate the front panel of the 3920B from
virtually anywhere on the planet. All that is needed is the ability to
access the unit’s IP address.
OPTiOnAl TEST CAPABiliTiES
Site Monitoring Application (390XOPT051)
The 3920B brings impressive new capabilities to site monitoring
applications. With option 392XOPT051, the user now has the ability
to leave the 3920B on-site while the unit provides automated data
logging of the site’s effective receiver sensitivity. When connected
to a good documented receiver (a “golden” radio), the 3920B will
automatically calculate the Effective Receiver Sensitivity (ERS) at
a predetermined interval (example: every 10 seconds) over a speci-
fied time (example: log ERS for 72 hours). As these measurements
are taken, a min/average/max SINAD is displayed, and the data is
logged to the 3920B’s internal hard-drive. Spectral information is also
optionally logged with each measurement to help locate and track
sources of interference. This gives the system engineer a valuable tool
in determining site location performance and system RF boundaries.
iQ Gen Modulation (390XOPT054)
IQCreator is an Aeroflex developed PC based software utility that
gives the user the ability to develop their own waveforms to use as
the modulation source. Since the waveforms are defined by I and Q,
virtually any type of complex digital modulation format can be
created. With the IQ Gen Modulation option, once the IQ waveform
is created it can easily be uploaded to the 3920B and used as the
modulation source in the Analog Duplex System.
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