RIGOL DSG3000 Series - Manual (Page 136)

RIGOL Chapter 6 Specifications
6-8 DSG3000 User’s Guide
I/Q Modulation (Option IQ-DSG3000)
Modulation source External, internal
Bandwidth (RF)
External modulation
Baseband (I or Q) ≤ 120MHz (nom.)
RF (I + Q) ≤ 240MHz (nom.)
Internal modulation
Baseband (I or Q) ≤ 30MHz (nom.)
RF (I + Q) ≤ 60MHz (nom.)
Carrier suppression [1]
Carrier frequency range:
50MHz ≤ f ≤ 6GHz
≥40dBc (typ.)
Suppression of image
sideband [2]
Modulation bandwidth up to
±10MHz
≥40dBc (typ.)
External I/Q inputs
VSWR <1.5
Full scale input
0.5Vrms Q I 2 2 = +
Internal modulation
EVM
16QAM , root cosine filter (α=0.22), 4MSps
50MHz ≤ f ≤ 3GHz (level≤4dBm) ≤0.7%rms (typ.)
3GHz < f ≤ 6GHz (level≤0dBm) ≤1.2%rms (typ.)
QPSK , root cosine filter (α=0.22), 4MSps
50MHz ≤ f ≤ 3GHz (level≤4dBm) ≤0.7%rms (typ.)
3GHz < f ≤ 6GHz (level≤0dBm) ≤1.2%rms (typ.)
External modulation
EVM
CDMA2000/1xEV-D0,
1.2288 Mcps, frequency 800 to
900MHz, 1800 to 1900MHz,
level≤4dBm
≤ 1.2%, ≤ 0.8% (typ.)
ACPR ≥ 70dB
NOTE: [1] [2]The parameter is measured at room temperature. When the temperature is difference from room
temperature, the specification will deteriorate.