Specifications

Residual Responses
Residual responses are signals generated by the analyzer independent
of input signals.
Residual Responses *
Frequency Range
Residual Responses
100 Hz to 500 Hz
c-105
dBm* *
500 Hz to 1500 MHz
c-105
dBm
* With 0
dB
input attenuation and no input signal.
* * Except for line-related residuals and LO feedthrough
skirt (in the 100 Hz to 110 Hz range), typically
c-100
dBm.
Nominal dynamic range
-90 -80 -70 -60 -50
-40
-30 -20 -10
0
Effective
Input (Signal Level-input
Atten)
dBm
Figure 4-4. Typical Optimum Dynamic Range
Third Order
See Figure 4-4 for typical second and third order distortion
Intermodulation
characteristics.
Distortion
Note
Dynamic range due to Third Order Intermodulation Distortion and
noise level can be calculated from
2/3
[TOI
-
displayed average noise
level]. For example, at 900 MHz the analyzer’s specified dynamic
range when using the 10 Hz resolution BW is:
2/3
[
+ 10 dBm
-
(-135
dBm)]
=
2/3(145)
= 96.7
dB.
4-4 Characteristics