SMW200A_specs_en_3606-8037-22_v2700.pdf - 第37页

Version 27.00, October 2024 Rohde & Schwar z R&S ® SMW200A Vec tor Signal Generator 37 Carrier leakage 8 mode: internal baseb and I/Q, referenced to full-scale input < – 55 dBc f ≤ 20 GHz < – 55 dBc f > …

Version 27.00, October 2024

36 Rohde & Schwarz R&S

SMW200A Vector Signal Generator

I/Q modulation

I/Q modulation performance

Operating modes

external wideband I/Q,

internal baseband I/Q

with R&S

SMW-B1044O,

R&S

SMW-B2044O, R&S

SMW-B1056O,

R&S

SMW-B1067O frequency options

internal baseband I/Q

RF modulation bandwidth

RF modulation bandwidth with R&S

SMW-B1003, R&S

SMW-B2003, R&S

SMW-B1006, R&S

SMW-B2006, R&S

SMW-B1007,

R&S

SMW-B2007, R&S

SMW-B1012, R&S

SMW-B2012, R&S

SMW-B1020, R&S

SMW-B2020, R&S

SMW-B1031,

R&S

SMW-B2031, R&S

SMW-B1040, R&S

SMW-B1044, R&S

SMW-B2044, R&S

SMW-B1056, R&S

SMW-B1067 frequency

options

With internal baseband I/Q, wideband

baseband (R&S

SMW-B13XT),

I/Q wideband on

1 MHz ≤ f ≤ 300 MHz

±32 % of carrier frequency

300 MHz < f ≤ 2.5 GHz

±40 % of carrier frequency

f > 2.5 GHz

±1 GHz

With internal baseband I/Q, standard

baseband (R&S

SMW-B13 or -B13T),

I/Q wideband on

1 MHz < f ≤ 250 MHz

±32 % of carrier frequency

f > 250 MHz

±80 MHz

With external wideband I/Q inputs,

I/Q wideband on

1 MHz ≤ f ≤ 300 MHz

±32 % of carrier frequency

300 MHz < f ≤ 2.5 GHz

±40 % of carrier frequency

f > 2.5 GHz

±1 GHz

RF modulation bandwidth with R&S

SMW-B1040N, R&S

SMW-B1044N, R&S

SMW-B2044N, R&S

SMW-B1056N,

R&S

SMW-B1067N frequency options

With internal baseband I/Q, wideband

baseband (R&S

SMW-B13XT),

I/Q wideband on

1 MHz ≤ f ≤ 300 MHz

±32 % of carrier frequency

300 MHz < f ≤ 2.5 GHz

±40 % of carrier frequency

2.5 GHz < f ≤ 20 GHz

±1 GHz

f > 20 GHz

±275 MHz

With internal baseband I/Q, standard

baseband (R&S

SMW-B13 or -B13T),

I/Q wideband on

1 MHz < f ≤ 250 MHz

±32 % of carrier frequency

f > 250 MHz

±80 MHz

With external wideband I/Q inputs,

I/Q wideband on

1 MHz ≤ f ≤ 300 MHz

±32 % of carrier frequency

300 MHz < f ≤ 2.5 GHz

±40 % of carrier frequency

2.5 GHz < f ≤ 20 GHz

±1 GHz

f > 20 GHz

±275 MHz

RF modulation bandwidth with R&S

SMW-B1044O, R&S

SMW-B2044O, R&S

SMW-B1056O, R&S

SMW-B1067O frequency

options

With internal baseband I/Q, wideband

baseband (R&S

SMW-B13XT),

I/Q wideband on

1 MHz ≤ f ≤ 300 MHz

±32 % of carrier frequency

300 MHz < f ≤ 2.5 GHz

±40 % of carrier frequency

2.5 GHz < f ≤ 31.15 GHz

±1 GHz

31.15 GHz < f ≤ 31.75 GHz

±500 MHz

31.75 GHz < f < 37.05 GHz

±225 MHz

37.05 GHz ≤ f < 37.65 GHz

±500 MHz

f ≥ 37.65 GHz

±1 GHz

RF frequency response in specified

RF modulation bandwidth

with external wideband I/Q inputs

I/Q wideband on

f ≤ 44 GHz

< 9 dB, < 6 dB (meas.)

f > 44 GHz

<10 dB

I/Q wideband off

< 5 dB, < 3 dB (meas.)

with internal baseband I/Q, standard

baseband (R&S

SMW-B13 or -B13T),

I/Q wideband on, optimization mode:

high quality

< 1.0 dB, < 0.3 dB (meas.)

with internal baseband I/Q, wideband

baseband (R&S

SMW-B13XT),

I/Q wideband on, optimization mode:

high quality

< 1.0 dB, < 0.4 dB (meas.)

±500 MHz for R&S

SMW-B1007, R&S

SMW-B2007, R&S

SMW-B1012, R&S

SMW-B2012.

Bandwidth limitation for O options comes with an additional sample rate limitation. Sample rate is limited to 1.2 Gsample in the ranges:

31.15 GHz < f ≤ 31.75 GHz and 37.05 GHz ≤ f < 37.65 GHz. Sample rate is limited to 550 Msample in the range: 31.75 GHz < f < 37.05 GHz.

Version 27.00, October 2024

Rohde & Schwarz R&S

SMW200A Vector Signal Generator 37

Carrier leakage

mode: internal baseband I/Q,

referenced to full-scale input

< –55 dBc

f ≤ 20 GHz

< –55 dBc

f > 20 GHz

< –40 dBc

43 GHz < f ≤ 67 GHz

with R&S

SMW-B1056,

R&S

SMW-B1067,

R&S

SMW-B1056N,

R&S

SMW-B1067N,

R&S

SMW-B1056O,

R&S

SMW-B1067O frequency options

< –50 dBc

Suppression of image sideband for entire

instrument in modulation bandwidth

with internal baseband I/Q, standard

baseband (R&S

SMW-B13 or -B13T),

optimization mode: high quality,

up to 160 MHz RF modulation bandwidth

> 50 dB, 60 dB (typ.)

with internal baseband I/Q, wideband baseband (R&S

SMW-B13XT),

optimization mode: high quality

RF modulation bandwidth ≤ 1600 MHz

> 40 dB, 50 dB (meas.)

1600 MHz < RF modulation bandwidth

≤ 2000 MHz

> 37 dB, 47 dB (meas.)

Two-tone IMD (2 carriers)

PEP = 0 dBm,

up to 80 MHz carrier spacing

f ≤ 3 GHz

< –50 dBc (typ.)

3 GHz < f ≤ 10 GHz

< –45 dBc (typ.)

10 GHz < f ≤ 20 GHz

< –40 dBc (typ.)

20 GHz < f ≤ 30 GHz

< –38 dBc (typ.)

30 GHz < f ≤ 44 GHz

< –32 dBc (typ.)

44 GHz < f ≤ 67 GHz, PEP = −4 dBm

< –26 dBc (typ.)

I/Q impairments (analog)

These impairments are set within the analog I/Q modulator section. They can be used

in external wideband I/Q mode and internal baseband I/Q mode. They cannot be

applied to the analog or digital I/Q outputs.

I offset, Q offset

setting range

–10 % to +10 %

setting resolution

0.01 %

gain imbalance

setting range

–1.0 dB to +1.0 dB

setting resolution

0.01 dB

quadrature offset

setting range

–10° to +10°

setting resolution

0.01°

Value applies after 1 hour warm-up time and recalibration for 4 hours of operation and temperature variations of less than +5 °C.

Version 27.00, October 2024

38 Rohde & Schwarz R&S

SMW200A Vector Signal Generator

Measured RF modulation frequency response (magnitude) with internal baseband I/Q, standard baseband

Measured RF modulation frequency response (magnitude) with internal baseband I/Q, wideband baseband

-0.30

-0.20

-0.10

0.00

0.10

0.20

0.30

-80 -60 -40 -20 0 20 40 60 80

Frequency response / dB

Offset frequency / MHz

850 MHz

2140 MHz

5400 MHz

10000 MHz

25000 MHz

-0.50

-0.40

-0.30

-0.20

-0.10

0.00

0.10

0.20

0.30

0.40

0.50

-1000 -800 -600 -400 -200 0 200 400 600 800 1000

Frequency response (magnitude) / dB

Offset frequency / MHz

5 GHz

15 GHz

18 GHz

28 GHz

35 GHz

48 GHz

64 GHz