Electronic Calibration Modules Reference Guide         5-7
Specifications and Characteristics
Electrical Specifications
N469xD Series
Table 5-11 Electrical Performance for N4690D (Type-N 50Ω)
Parameter Frequency Range
DC to 
2 MHz
a
a. For option 0DC.
2 MHz to 
10 MHzc
c
300 kHz 
to 2 MHz
b
b. For option 003.
2 MHz 
to 10 MHz
b
10 MHz to 
500 MHz
500 MHz 
to 2 GHz
2 GHz 
to 10 GHz
10 GHz 
to 18 GHz
Directivity (dB) 45 45 30 40 45 45 40 38
Source Match (dB) 40 40 28 35 40 43 40 35
Reflection Tracking 
(±dB)
0.05 0.05 0.12 0.07 0.05 0.03 0.03 0.05
Table 5-12 Electrical Performance for N4691D (3.5 mm)
Parameter Frequency Range
DC to 
2 MHz
a
a. For Option 0DC.
2 MHz to 
10 MHz
c
300 kHz  
to 2 MHz
b
b. For Option 003.
2 MHz 
to 10 
MHz
b
10 MHz 
to 
500 MHz
500 MHz  
to 2 GHz
2 GHz 
to 10 GHz
10 GHz 
to 20 GHz
20 GHz 
to 26.5 
GHz
Directivity (dB) 46 46 31 41 46 47 46 43 41
Source Match (dB) 41 41 29 36 41 47 45 42 40
Reflection Tracking 
(±dB)
0.05 0.05 0.11 0.06 0.05 0.02 0.03 0.04 0.05