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Atec Agilent-N5181B-N5182B User Manual

Page 22

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Clock (requires N5102A)
Clock input

User selectable: internal clock, device under test clock, or external clock (via SMA or

breakout board)
N5102A SMA Ext Clock In connector: 50 Ω, 0 dBm nominal, 1 to 400 MHz

Clock output

User selectable: via breakout board or SMA Clock Out connector
N5102A SMA Clock Out connector: 2 Vpp into load > 5K Ω from 1 to 100 kHz, 400 mVpp into

50 Ω load from 100 kHz to 400 MHz

Sample rate (limited by MXG sample

rate)

User-selectable in parallel mode up to a maximum 200 MHz, but limited by other user

settings (see N5102A users guide for more details) .
User-selectable in serial mode, the maximum rate is 400 MHz/word size .

Bit rate (limited by MXG sample rate)

Parallel Up to 200 MHz x word size (1 .6 Gbps LVDS, CMOS and LVTTL) per parallel bus,

2 parallel buses available
Serial Up to 400 MHz per serial line (400 Mbps LVDS) or 150 MHz per serial line (150 Mbps

(CMOS/LVTTL) 32 lines available

Clocks per sample

In parallel output mode, the data sample can be held for 1, 2 or 4 clock cycles

Clock to data skew

Coarse adjustment in 90° steps from 0 to 270º; fine-adjustment in increments of 100 ps up to 5 ns

Clock polarity

Clock signals may be inverted

Frequency reference input

1 to 100 MHz BNC, 50 Ω, 3 dBm ± 6 dB

Power supply (included on N5102A)

Output: 5V, 4A DC

AWGN (Option 403)

Type

Real-time, continuously calculated, and played using DSP

Modes of operation

Standalone or digitally added to signal played by arbitrary waveform or real-time baseband generator

Bandwidth

With Option 656

1 Hz to 80 MHz

With Option 656 and 657

1 Hz to 160 MHz

Crest factor

15 dB

Randomness

90 bit pseudo-random generation, repetition period 313 x 10^9 years

Carrier-to-noise ratio

± 100 dB when added to signal

Carrier-to-noise ratio formats

C/N, Eb/No

Carrier-to-noise ratio error

Magnitude error ≤ 0 .2 dB at baseband I/Q outputs

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 160 MHz

depending on symbol rate and modulation type)

Frequency offset (per carrier)

Up to –80 to +80 MHz

Power offset (per carrier)

0 dB to –40 dB

Symbol rate

50 sps to 100 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