Agilent E4438C ESG Vector Signal Generator - Advanced Test ...

Specifications for I/Q CharacteristicsBaseband generator[real-time mode][Option 601 or 602]Basic modulation types [custom format]I/QFIR filterSymbol ratePSKMSKASKQAMFSKBPSK, QPSK, OQPSK, π/4DQPSK, 8PSK, 16PSK, D8PSKUser-defined phase offset from 0 to 100°User-defined depth from 0.001 to 100%4, 16, 32, 64, 128, 256Selectable: 2, 4, 8, 16 level symmetric, C4FMUser defined: Custom map of up to 16 deviation levelsSymbol rate Maximum deviation< 5 MHz 4 times symbol rate> 5 MHz,< 50 MHzResolution: 0.1 HzCustom map of 256 unique values20 MHzSelectable Nyquist, root Nyquist, Gaussian, rectangular, Apco 25a: 0 to 1, B b T: 0.1 to 1Custom FIR16-bit resolution, up to 64 symbols long, automaticallyresampled to 1024 coefficients [max]> 32 to 64 symbol filter: symbol rate ≤ 12.5 MHz> 16 to 32 symbol filter: symbol rate ≤ 25 MHzInternal filters switch to 16 tap when symbol rate isbetween 25 and 50 MHzFor external serial data, symbol rateis adjustable from 1000 symbols/secto a maximum symbol rate of50 Mbits/sec#bits/symbolFor internally generated data, symbol rate is adjustable from1000 symbols/sec to 50 Msymbols/sec. and a maximum of8 bits per symbol. Modulation quality may be degraded at highsymbol rates. See data types for memory requirements.Baseband reference frequencyInputFrame trigger delay controlRangeResolutionData clock can be phase locked to an externalreference. 13 MHz for GSM, 250 kHz to 100 MHzin W-CDMA and cdma2000 1, 2 ECL, CMOS, TTLcompatible, 50 Ω AC coupled0 to 1,048,575 bits1 bit1. Performance below 1 MHz not specified.2. When used, this baseband reference is independent of the 10 MHz RF reference.20