Agilent Technologies EXG Bedienungsanleitung PDF herunterladen (Seite 19)

Triggers Types Continuous, single, gated, segment advance

Source

Trigger key, external, bus (GPIB, LAN, USB)

Modes

Continuous Free run, trigger and run, reset and run

Single

No retrigger, buffered trigger, immediate retrigger

Gated Negative polarity or positive polarity

Segment advance Single or continuous

External coarse delay time 5 ns to 40 s

External coarse delay resolution 5 ns

Trigger latency (Single trigger only) 356 ns + 1 sample clock period, nominal

Trigger accuracy (Single trigger only) ± 2.5 ns, nominal

Multi-baseband generator

synchronization mode

(multiple sources)

Fan out 1 master and up to 15 slaves

Trigger repeatability < 1 ns, nominal

Trigger accuracy Same as normal mode

Trigger latency Same as normal mode

Fine trigger delay range See Internal IQ Baseband section

Fine trigger delay resolution See Internal IQ Baseband section

IQ phase adjustment range See Internal IQ Baseband section

Markers Markers are deﬁ ned in a segment during the waveform generation process, or from the front

panel; a marker can also be routed to the RF blanking, ALC hold functions, and alternate

amplitude; see Users Guide for more information

Marker polarity Negative, positive

Number of markers 4

RF blanking/burst on/off ratio > 80 dB

Alternate amplitude control switching speed See amplitude section

Real-time baseband generator (Option 660)

Real-time baseband generator required

for real-time Signal Studio

applications

Cellular real-time applications LTE-FDD, LTE-TDD, HSPA+/W-CDMA,

GSM/EDGE, cdma2000®

Real-time navigation GPS, GLONASS

Real-time video applications

DVB-T/T2/H/S/S2/C/J.83 Annex A/C,

ISDB-T/

Note: Option 660 is not required for real-time custom modulation (Option 431)

Memory: Shares memory with Options 653 and 655

Triggering: Same as Options 653 and 655

Markers: 3 markers available, all other features are same as Options 653 and 655

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 653 1 Hz to 60 MHz

With Option 653 and 655 1 Hz to 120 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

1. See Signal Studio conﬁ guration assistant for more information.

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