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Chapter 4 97
Option P03 - Preamplifier
Other Preamp Specifications
Nominal VSWR − Preamp On (Plot)
Description Specifications Supplemental Information
Third Order
Intermodulation Distortion
Tone separation 5 times IF
Prefilter Bandwidth
a
a. See the IF Prefilter Bandwidth table in the specifications for “Gain Compression” on page 42. When
the tone separation condition is met, the effect on TOI of the setting of IF Gain is negligible.
Sweep type not set to FFT
Preamp On
(Option P03)
Preamp
Level
b
b. Preamp Level = Input Level − Input Attenuation.
Distortion
(nominal)
TOI
c
(nominal)
c. TOI = third order intercept. The TOI is given by the preamplifier input tone level (in dBc) minus (dis-
tortion/2) where distortion is the relative level of the distortion tones in dBc.
30 MHz to 3.6 GHz −45 dBm −90 dBc 0.0 dBm
VSWR vs. Frequency, 3 Units, Preamp On, 0 dB Attenuation
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
GHz
VSWR