Atec Agilent-N5181B-N5182B - Manual (Page 23)

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Custom modulation real-time mode (Option 431) (Does not require Option 660)
Modulation PSK BPSK, QPSK, OQPSK,
π/4DQPSK, gray coded and
unbalanced QPSK, 8PSK,
16PSK, D8PSK
QAM 4, 16, 32, 64, 128, 256, 1024 (and
89600 VSA mappings)
FSK
Selectable 2,4,8, 16 level symmetric,
C4FM
User-defined Custom map of up to 16
deviation levels
Max deviation 20 MHz
MSK 0 to 100 °
ASK 0 to 100%
Custom I/Q Custom map of 1024 unique values
Frequency offset Up to –80 MHz to +80 MHz
Symbol rate Internal generated data 1 sps up to 100 Msps and max of 10 bits per symbol
External serial data 1 sps to [(50 Mbits/sec)/(#bits/symbol)]
Filter types Selectable Nyquist, root-Nyquist, Gaussian, rectangular, APCO 25
(phase 1 and 2 UL and DL), IS-95, WCDMA,EDGE (wide and
HSR)
Custom FIR 16-bit resolution, up to 64 symbols long, automatically
resampled to 1024 coefficients (max)
> 32 to 64 symbol filter: symbol rate ≤ 12 .5 MHz
> 16 to 32 symbol filter: symbol rate ≤ 25 MHz
Internal filters switch to 16 tap when symbol rate is between 25
and 100 MHz
Quick setup modes APCO 25 with (C4FM, CQPSK, HCPM, HDQPSK), TETRA , Bluetooth, CDPD, DECT, EDGE,
GSM, NADC, PDC, PHS, PWT, WorldSpace, Iridium, ICO, CT2, TFTS
Trigger delay Range 0 to 1,048,575 bits
Resolution 1 bit
Data types
Internally generated
Pseudo-random patterns PN9, PN11, PN15, PN20, PN23
Repeating sequence Any 4-bit sequence
Direct-pattern RAM [PRAM] max size
Note: Used for custom TDMA/non-standard framing
32 Mb (standard)
512 Mb (Option 022)
1024 Mb (Option 023)
User file
32 MB (standard)
512 MB (Option 022)
1024 MB (Option 023)
Externally streamed data
(via AUX IO)
Type Serial data
Inputs/outputs 1 Data, symbol sync, bit clock
Internal burst shape
(varies with bit rate)
Rise/fall time range Up to 30 bits
Rise/fall delay range –15 to +15 bits
1. Bit clock and symbol sync inputs will be available in future firmware release.