Atec Aeroflex-IFR-3416 User Manual
Page 5

Output VSWR
Electronic Attenuator
For output levels < 0 dBm
Frequency
Output VSWR
2 GHz
< 1.25:1
3 GHz
< 1.40:1
4 GHz
< 1.50:1
6 GHz
< 1.60:1
For output levels > 0 dBm VSWR is < 1.5:1 4 GHz, < 1.8:1 6 GHz
Mechanical Attenuator
For output levels < 0 dBm
Frequency
Output VSWR
3 GHz
1.33:1
For output levels > 0 dBm VSWR is < 1.5:1, 3 GHz
No Attenuator
Frequency
Output VSWR
4 GHz
< 1.5:1
6 GHz
< 1.8:1
Attenuator Repeatability
Mechanical attenuator typically 0.1 dB
Output Connector
Front panel 50
type N female to MIL-PRF-39012 class 2
Output Protection
Protects the instrument from externally applied RF power
(from a 50
source) of 50 W up to 3 GHz and 25 W up to 4 GHz
The RPP trip may be reset from the front panel or via the remote inter-
face. For safety, the protection is also provided when the instrument is
switched off.
3416 damage level 0.5 W (+ 27 dBm) from a max 5:1 VSWR, all fre-
quencies
All parameters stated at RF level + 7 dBm in Noise and ACP RF
modes
Harmonics
< -30 dBc, typically < -40 dBc
Sub- and Non-Harmonics
For offsets > 10 kHz
< -70 dBc for carrier frequencies 3 GHz
< -60 dBc for carrier frequencies 6 GHz
Residual FM (FM on CW)
< 2.5 Hz RMS (typically 1.5 Hz) at 1 GHz in a 300 Hz to 3.4 kHz
unweighted bandwidth
SSB Phase Noise
For 20 kHz offset, Noise Optimized mode
CW/IQ
375 MHz
< -115 dBc/Hz
500 MHz
< -124 dBc/Hz
1 GHz
< -118 dBc/Hz
2 GHz
< -112 dBc/Hz
3 GHz
< -108 dBc/Hz
4 GHz
< -106 dBc/Hz
6 GHz
< -102 dBc/Hz