SMU_dat-sw-en.pdf - 第7页
Version 08.00, Januar y 2012 Rohde & Schwarz R&S ® SMU200A Vector Signal Generator 7 Modulation Possible modulation ty pes RF path A Amplitude modulation, frequency/phase modulati on (optional), vect or modulatio…
Version 08.00, January 2012
6 Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator
Frequency and enhancement options
Frequency options
One of the following frequency options must be installed in RF path A:
R&S
®
SMU-B102 100 kHz to 2.2 GHz
R&S
®
SMU-B103 100 kHz to 3 GHz
R&S
®
SMU-B104 100 kHz to 4 GHz
R&S
®
SMU-B106 100 kHz to 6 GHz
One of the following frequency options can be installed in RF path B:
(If R&S
®
SMU-B104 or R&S
®
SMU-B106 and one of the R&S
®
SMU-B20 or R&S
®
SMU-B22 options are installed in RF path A,
no options can be installed in RF path B.)
R&S
®
SMU-B202 100 kHz to 2.2 GHz
R&S
®
SMU-B203 100 kHz to 3 GHz
Enhancement options
Enhanced phase noise performance and FM/φM modulator
One of the following options can be installed in RF path A:
R&S
®
SMU-B20 FM/M modulator
R&S
®
SMU-B22 FM/M modulator and enhanced phase noise performance
These options cannot be installed in RF path B.
High-power output
The following options can be installed
R&S
®
SMU-B31 High-power output (RF path A)
R&S
®
SMU-B36 High-power output (RF path B)
Phase coherence
R&S
®
SMU-B90 Phase coherence
This option can be installed once. It provides phase-coherent RF outputs of two or more RF paths for one or more instruments.
Version 08.00, January 2012
Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator 7
Modulation
Possible modulation types
RF path A
Amplitude modulation, frequency/phase modulation (optional), vector modulation, digital modulation via internal baseband section
(optional), vector modulation via baseband inputs (optional), pulse modulation, wideband amplitude modulation
RF path B
Amplitude modulation, digital modulation via internal baseband section (optional), vector modulation via baseband inputs (optional),
pulse modulation
Simultaneous modulation
In the same RF path
AM FM φM PM WB-AM I/Q DM ARB
Amplitude modulation (AM) / – – – –
Frequency modulation (FM) / –
Phase modulation (φM) – /
Pulse modulation (PM) /
Wideband AM (WB-AM) – / – – –
Vector modulation (I/Q) – – / – –
Digital modulation (DM) – – – / –
ARB – – – – /
= compatible, – = not compatible, switch off each other
Version 08.00, January 2012
8 Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator
RF characteristics
Frequency
underrange 100 kHz to < 300 kHz
R&S
®
SMU-B102, R&S
®
SMU-B202 up to 2.2 GHz
R&S
®
SMU-B103, R&S
®
SMU-B203 up to 3 GHz
R&S
®
SMU-B104 up to 4 GHz
Frequency range
R&S
®
SMU-B106 up to 6 GHz
Resolution of setting 0.01 Hz
standard, fundamental frequency range =
750 MHz to 1500 MHz
5 µHz Resolution of synthesis
with R&S
®
SMU-B22 option 0.2 µHz
to within < 1 × 10
−
7
for f > 200 MHz or
< 124 Hz for f < 200 MHz,
with GUI update stopped,
after IEC/IEEE bus delimiter
< 2 ms, 1.5 ms (typ.)
ALC state: off (sample & hold) < 4 ms, 2.5 ms (typ.)
Setting time
1
after trigger pulse in list mode < 450 µs, 300 µs (typ.)
Phase offset adjustable in 0.1° steps
Frequency sweep
Operating modes digital sweep in discrete steps automatic, step, single,
external single, external step,
manual or external trigger,
linear or logarithmic spacing
Sweep range full frequency range
linear full frequency range Step width
logarithmic 0.01 % to 100 % per step
range 10 ms to 10 s Dwell time
resolution 0.1 ms
Reference frequency
after 30 days of uninterrupted operation < 1 × 10
−
9
/day, < 1 × 10
−
7
/year Aging
with R&S
®
SMU-B22 option < 5 × 10
−
10
/day, < 3 × 10
−
8
/year
in operating temperature range ±6 × 10
−
8
Maximum temperature effect
with R&S
®
SMU-B22 option ±6 × 10
–9
Warm-up time to nominal thermostat temperature 10 min
frequency (approx. sine wave) 10 MHz or external input frequency
level 5 dBm (typ.)
Output for internal reference signal
source impedance 50
frequency 5 MHz, 10 MHz or 13 MHz
maximum deviation 3 × 10
−
6
input level, limits −6 dBm, 19 dBm
recommended 0 dBm to 19 dBm
Input for external reference
input impedance 50
sensitivity 1 × 10
−
8
/V to 3 × 10
−
8
/V (typ.)
with R&S
®
SMU-B22 option 4 × 10
–9
/V to 1.2 × 10
−
8
/V (typ.)
input voltage –10 V to +10 V
Electronic tuning from input
AUX I/O
input impedance 10 k
1
Installation of software that is not authorized by Rohde & Schwarz for use on the R&S
®
SMU200A or installation of antivirus software can deteriorate
the setting time performance.