SMU_dat-sw-en.pdf - 第10页
Version 08.00, Januar y 2012 10 Rohde & Schwarz R&S ® SMU200A Vector Signal Generator Measured level data 0.5 1 1. 5 2 2.5 3 3. 5 4 4. 5 5 5. 5 6 x 10 9 10 12 14 16 18 20 22 24 26 28 30 RF frequ enc y / Hz Lev el…
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.
Version 08.00, January 2012
10 Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator
Measured level data
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
x 10
9
10
12
14
16
18
20
22
24
26
28
30
RF frequency / Hz
Level / dBm
Max. available output power with frequency option B106,
Attenuator Mode Normal (lower trace) and High Power (upper trace)
0.5 1 1.5 2 2.5 3
x 10
9
10
12
14
16
18
20
22
24
26
28
30
RF frequency / Hz
Level / dBm
Max. available output power with frequency option B103,
Attenuator Mode Normal (lower trace) and High Power (upper trace)
Measured maximum available output level versus frequency.
Measured level uncertainty versus frequency.
Version 08.00, January 2012
Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator 11
Measured level repeatability over 6 days with random settings between measurements
(DACIF board temperature: internal temperature test point, variations caused by changes of ambient temperature).
Level sweep
Operating modes digital sweep in discrete steps auto, single, step,
external single, external step,
manual or external trigger
Sweep range level range of attenuator modes
normal or high power
Step width logarithmic 0.1 dB to 20 dB per step
range 10 ms to 10 s Dwell time
resolution 0.1 ms