96 Chapter 3 
Technical Specifications
RF Input
RF Input
Connector N8972/3A  N female, 50Ω nominal
N8974/5A  APC 3.5 mm, 50Ω nominal (ESD sensitive)
SWR (50 Ω 
reference)
Figure 3-3  Characteristic
1
 SWR at 23° C (10.0 MHz to 3.0 GHz
10 MHz 
to 
500 MHz
500 MHz 
to 
1.0 GHz
1.0 GHz 
to 
1.5 GHz
1.5 GHz 
to 
3.0 GHz
3.0 GHz 
to 
6.7 GHz
6.7 GHz 
to 
20.0 GHz
20.0 GHz 
to 
26.5 GHz
SWR < 1.6:1 < 1.8:1 < 1.9:1 < 1.8:1 < 1.3:1 < 2.1:1 < 2.4:1
1. Characteristic values are met or improved on by 90% of instruments with 90% confidence.