Specifications

1-6 Chapter 1
Overview
Characteristics
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VSWR
The VSWR graphs show the nominal instrument VSWR from 3 GHz to 26.5 GHz for the
E4440A (see Figure 1-2), and from 3 GHz to 50 GHz for the E4448A (see Figure 1-3) with
the Option H26 Preamp On, and 0 dB attenuation. The graphs show the behavior of two
instruments, an E4440A and an E4448A. The E4443A and E4445A will have similar
behavior to the E4440A and likewise the E4446A will have similar behavior to the
E4448A.
Figure 1-2 Nominal E4440A Instrument VSWR 3 GHz to 26.5 GHz;
High Band Preamp On, Attenuation = 0 dB
Figure 1-3 Nominal E4448A Instrument VSWR 3 GHz to 50 GHz;
High Band Preamp On, Attenuation = 0 dB
VSWR
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
3 8 13 18 23
Frequency (GHz)
VSWR
VSWR
1
1.2
1.4
1.6
1.8
2
2.2
3 8 13 18 23 28 33 38 43 48
Frequency (GHz)
VSWR