2.7 Ghz Advanced Radio Test Set - The Aeroflex IFR 3902 is the predecessor to the 3920. The instrument provides a comprehensive range of general purpose analog measurement facilities as well as advanced digital test options for P25, TETRA and HPD systems.
Standard features include:
Full AM and FM test capabilities
Channel spectrum analyzer
Full Span spectrum analyzer to 2.7 GHz
Dual-Channel Oscilloscope to 4 MHz
Full audio analysis for AF level, frequency, SINAD and distortion measurements
Full RF parametric tests for power, frequency error, deviation (FM), modulation index (AM)
Three high accuracy audio modulators/function generators
Three high accuracy audio baseband generators
DTMF and DCS generators
FM pre-emphasis and de-emphasis 50 μs, 75 μs and 750 μs for true audio performance analysis
Color codes Pass/Fail meter functions for fast test capabilities
Option descriptions - for reference only:
050 - Analog Duplex
050 - Analog Duplex
051 - Sensitivity search
056 - RCI Compatibility
110 - Tetra MS
112 - Tetra DM
200 - P25
201 - P25 TRNK OP Mode 800MHz & OBT
202 - DES Encryption
216 - P25 Vocoder Hardware
221 - Freq. Band 800 MHz
222 - Freq. Band VHF/UHF/700
223 - P25 C4FL Modulation
226 - P25 Two GEN/CV Channels
231 - P25 Power Over Time Graph
234 - P25 Meter Mod Fidelity
235 - P25 Meter UUT TX BER
242 - P25 IMBE Vocoder
244 - P25 Base Emulator
246 - P25 MOD ACC Constellation
247 - P25 MOD ACC Distribution
248 - P25 MOD ACC EYE Diagram
251 - P25 Meter Symbol Deviation
254 - P25 Meter Carrier Feedthrough
