Agilent Technologies EXG Bedienungsanleitung PDF herunterladen (Seite 20)

Custom modulation Arb Mode (Option 431)

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, C4FM

MSK 0 to 100 °

ASK 0 to 100%

Multicarrier Number of carriers

Up to 100 (limited by a max bandwidth of 120 MHz

depending on symbol rate and modulation type)

Frequency offset (per carrier) Up to –60 to +60 MHz

Power offset (per carrier) 0 dB to –40 dB

Symbol rate 50 sps to 75 Msps

Filter types Nyquist, root-Nyquist, Gaussian, rectangular, APCO 25 C4EM, user

Quick setup modes

APCO 25w/C4FM, APCO25 w/CQPSK, Bluetooth

, CDPD, DECT, EDGE, GSM, NADC, PDC,

PHS, PWT, TETRA

Data Random only

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-deﬁ ned Custom map of up to 16 deviation levels

Max deviation 40 MHz

MSK 0 to 100 °

ASK 0 to 100%

Custom I/Q Custom map of 1024 unique values

Frequency offset Up to –60 MHz to +60 MHz

Symbol rate Internal generated data

1000 sps to 75 Msps and max of 10 bits per symbol

(Option 653 + 655)

External serial data 1000 sps to [(50 Mbits/sec)/(#bits/symbol)]

Filter types Selectable Nyquist, root-Nyquist, Gaussian, rectangular,

APCO 25 C4FM, IS-95

Custom FIR

16-bit resolution, up to 64 symbols long,

automatically resampled to 1024 coefﬁ cients (max)

> 32 to 64 symbol ﬁ lter: symbol rate ≤ 12.5 MHz

> 16 to 32 symbol ﬁ lter: symbol rate ≤ 25 MHz

Internal ﬁ lters switch to 16 tap when symbol rate is

between 25 and 75 MHz

Quick setup modes APCO 25w/C4FM, APCO25 w/CQPSK, 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

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 30 31

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