Agilent Technologies E8267D PSG Instrukcja Użytkownika Pobierz pdf (Strona 18)

Measured EVM

Measured spectral re-growth

5 GHz carrier with 16 QAM signal at 10 Msym/s

Frame trigger delay control

Range 0 to 1,048,575 bits

Resolution 1 bit

Data types

Internally generated data

Pseudo-random patterns PN9, PN11, PN15, PN20, PN23

Repeating sequence Any 4-bit sequence

Other fixed patterns

Direct-pattern RAM [PRAM]

Max size 32 Mb

(each bit uses an entire sample space)

Use Non-standard framing

User file

Max size 3.2 MB

Use Continuous modulation or internally generated

TDMA standard

Externally generated data

Type Serial data

Inputs Data, data (bit) clock, symbol sync

Accepts data rates ±5% of specified data rate

Internal burst shape control

Varies with standards and bit rates

Rise/fall time range Up to 30 bits

Rise/fall delay range 0 to 63.5 bits

QPSK

Symbol rate (Msymbol/sec)

0 5 10 15 20 25 30 35 40 45 50

1 GHz

3 GHz

2 GHz

6 GHz

20 GHz

12 GHz

16QAM

Symbol rate (Msymbol/sec)

4.5

3.5

2.5

1.5

0.5

0 5 10 15 20 25 30 35 40 45 50

1 GHz

3 GHz

2 GHz

6 GHz

20 GHz

12 GHz

Ref-8 dBm

Samp

Log

dB/

LgAv

100

W1 S2

S3 FC

(f):

#f>50K

#Swp

#Atten 8 dB

Mkr1 12.00 MHz

--64.057 dB

Center 5.000 00 GHz

Res BW 470 kHz

VBW 470 kHz

Span 50 MHz

Sweep 1 ms

-64.057 dB

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24

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