SMU_dat-sw-en.pdf - 第8页
Version 08.00, Januar y 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 ® …
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.
Version 08.00, January 2012
Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator 9
Level
standard –145 dBm to +20 dBm Setting range
with R&S
®
SMU-B31 or R&S
®
SMU-B36
option
to +30 dBm
standard
f 3 GHz +13 dBm (PEP)
2
f > 3 GHz +11 dBm (PEP)
with R&S
®
SMU-B31 or R&S
®
SMU-B36
option
f 3 GHz +19 dBm (PEP)
Maximum level
f > 3 GHz +17 dBm (PEP)
Resolution 0.01 dB
for levels > –120 dBm,
attenuator mode: auto,
temperature range = +18 °C to +28 °C
1 MHz f 3 GHz < 0.5 dB
Level uncertainty
f > 3 GHz < 0.9 dB
Additional uncertainty with ALC state: off
(sample & hold)
This function is needed only for some
special applications.
< 0.2 dB
standard, ALC state: on
f 3 GHz < 1.6, < 1.4 (typ.)
f > 3 GHz < 1.85, < 1.6 (typ.)
with R&S
®
SMU-B31 or R&S
®
SMU-B36
option, ALC state: on
attenuator mode: normal
f 3 GHz < 1.65, < 1.45 (typ.)
f > 3 GHz < 1.9, < 1.65 (typ.)
attenuator mode: high power
f 3 GHz < 1.7, < 1.5 (typ.)
Output impedance
VSWR in 50 system
f > 3 GHz < 1.9, < 1.65 (typ.)
after IEC/IEEE bus delimiter,
to < 0.1 dB deviation from final value,
with GUI update stopped,
temperature range = +18 °C to +28 °C
ALC state: on < 2 ms, 1.5 ms (typ.)
ALC state: off < 4 ms, 2.5 ms (typ.)
in list mode after trigger impulse to 0.3 dB
deviation from final value
< 450 µs, 300 µs (typ.)
Setting time
1
range switchover with R&S
®
SMU-B31 or
R&S
®
SMU-B36 option
< 10 ms
attenuator mode: fixed, ALC state: on Uninterrupted level setting
setting range > 20 dB
maximum permissible RF power in output
frequency range for f > 1 MHz
1 MHz f 3 GHz 50 W
f > 3 GHz 10 W
Back-feed (from 50 source)
maximum permissible DC voltage 50 V
2
PEP = peak envelope power.