Atec Rohde-Schwarz-SMR Series - Manual (Page 7)

Microwave Signal Generator ¸SMR 7
Specifications
Specifications are valid under the following conditions:
30 minutes warm-up time, specified environmental conditions met, calibration
cycle adhered to and total calibration performed.
Data designated "nom." apply to design parameters and are not tested.
Data designated "overrange" or "underrange" are not warranted.
Frequency range
¸SMR20
Without option ¸SMR-B11
With option ¸SMR-B11
¸SMR27
Without option ¸SMR-B11
With option ¸SMR-B11
¸SMR30
Without option ¸SMR-B11
With option ¸SMR-B11
¸SMR40
Without option ¸SMR-B11
With option ¸SMR-B11
1 GHz to 20 GHz
10 MHz to 20 GHz
1 GHz to 27 GHz
10 MHz to 27 GHz
1 GHz to 30 GHz
10 MHz to 30 GHz
1 GHz to 40 GHz
10 MHz to 40 GHz
Resolution
Without option ¸SMR-B3
With option ¸SMR-B3 1 kHz
0.1 Hz
Setting time (to within <1 × 10 –6 )
after IEC/IEEE-bus delimiter
<10 ms + 2 ms/GHz
Reference frequency Standard Option ¸SMR-B1
Aging (after 30 days of operation) 1 × 10 –6 /year <1 × 10 –7 /year
Temperature effect (0 °C to 55°C) 2 × 10 –6 <1 × 10 –10 / °C
Warm-up time – 15 min
Output for internal reference
Frequency
Level, V
rms
(EMF, sinewave)
Source impedance
10 MHz
1 V
50
Ω
Input for external reference
Frequency
Permissible frequency drift
Input level, V
rms
Input impedance
10 MHz
3 × 10
–6
0.1 V to 2 V
50
Ω
Spectral purity
Spurious signals
Harmonics
1)
30 MHz 2)
f
>20 GHz 3)
Subharmonics
f
≤20 GHz
f >20 GHz
Nonharmonics (>50 kHz from carrier)
f ≤20 GHz
f
>20 GHz
<–55 dBc
<–40 dBc
<–65 dBc
<–30 dBc
<–60 dBc
<–54 dBc
SSB phase noise
(f = 10 GHz, 10 kHz from carrier,
1 Hz bandwidth, CW, FM off)
<–83 dBc
Residual FM, rms (f = 10 GHz, FM off)
0.3 kHz to 3 kHz
0.03 kHz to 20 kHz <20 Hz
<200 Hz
Level
Maximum level without option ¸SMR-B23/-B24/-B25 4)
Frequency range ¸SMR20 ¸SMR27/30/40
Without
option ¸
SMR-B15 With option
¸
SMR-B15 Without
option ¸
SMR-B15/-B17 With option
¸
SMR-B15/-B17
0.01 GHz to
<1 GHz >+13 dBm >+12 dBm
1 GHz to
<18 GHz >+11 dBm >+10 dBm >+8 dBm >+7 dBm
18 GHz to 20 GHz >+10 dBm >+8 dBm >+7 dBm >+5 dBm
>20 GHz to 27 GHz – – >+11 dBm >+9 dBm
>27 GHz to 30 GHz –
–
>+9 dBm >+7 dBm
>30 GHz to 40 GHz –
–
>+9 dBm >+7 dBm
Maximum level with option ¸SMR-B23/-B24/-B25, normal mode
(IF input off)
4)
Frequency range ¸SMR20 ¸SMR27/30/40
Without
option ¸
SMR-B15 With option
¸
SMR-B15 Without
option ¸
SMR-B15/-B17 With option
¸
SMR-B15/-B17
0.01 GHz to
<1 GHz >+13 dBm >+12 dBm
1 GHz to <18 GHz >+10 dBm >+9 dBm >+7 dBm >+6 dBm
18 GHz to 20 GHz >+8 dBm >+6 dBm >+5 dBm >+3 dBm
>20 GHz to 27 GHz –
–
>+8 dBm >+6 dBm
>27 GHz to 30 GHz –
–
>+6 dBm >+4 dBm
>30 GHz to 40 GHz – – >+6 dBm >+4 dBm
Minimum level of all models
Without option ¸SMR-B15/-B17
With option ¸SMR-B15/-B17
−20 dBm
(underrange
<−20 dBm)
−130 dBm
Resolution 0.1 dB or 0.01 dB,
selectable
Total deviation (level = 0 dBm)
f
≤20 GHz 5)
f >20 GHz
<1 dB
<1.4 dB
Frequency response (level = 0 dBm)
f ≤20 GHz 6)
f >20 GHz
<0.5 dB, typ. <0.3 dB
<0.7 dB, typ. <0.4 dB
Impedance 50
Ω
SWR
<2
Setting time after IEC/IEEE-bus delimiter
With option ¸SMR-B15/-B17, with
switching in attenuator
<10 ms
<25 ms
Range for non-interrupting level setting 20 dB (overrange >20 dB)
Residual level 7) with switchoff via RF OFF
Without option ¸SMR-B15/-B17
With option ¸SMR-B15/-B17 nom.
<–70 dBm
nom. <–140 dBm
Linear amplitude modulation with option ¸SMR-B5
Operating modes internal, external AC/DC
Modulation depth 8) 0% to 100%
Resolution 0.1%
Setting accuracy (AF = 1 kHz, m
<80%) 9) <4% of reading + 1%
AM distortion 9)
(f >50 MHz, AF = 1 kHz, m = 60%)
f
<1 GHz
f ≥1 GHz
<3%
<1%
Modulation frequency response (m = 60%) 9)
f
<1 GHz
DC to 50 kHz
f
≥1 GHz
20 Hz to 20 kHz
DC to 50 kHz
<3 dB
<1 dB
<3 dB
Incidental
ϕM with AM, peak value
(AF = 1 kHz, m = 30%) <0.4 rad
EXT1, EXT2 modulation input
Input impedance
Input voltage V
p
for selected modulation depth
50
Ω/600 Ω 10) or 100 k
Ω
1 V (high/low indication for
inaccuracy
>3%)
Logarithmic amplitude modulation with option ¸SMR-B5 (SCAN AM)
Operating modes internal, external
Dynamic range 30 dB (overrange
>30 dB)
Sensitivity ±0.1 dB/V to ±10 dB/V
Resolution 0.01 dB
Rise/fall time (10%/90%) <10 µs
EXT1, EXT2 modulation input
Input impedance
Input voltage range 50
Ω/600 Ω 10) or 100 k
Ω
–6 V to +6 V