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PERFORMANCE TEST RECORD (Cont d)
Table 4-10. Vernier Attenuator Flatness
Attenuator
Spectrum Analyzer
Attenuator
33144 Frequency
Setting
Marker Amplitude | Insertion Loss
Actual Attenuation
Lower Limit
Ref +0.03 dB | Ref — 0.03 dB
Ref +0.03 dB | Ref -0.03 dB
Ref +0.16 dB | Ref — 0.16 dB
Ref +0.16 dB | Ref —0.16 dB
Ref 4 0.7 dB
Ref —0.7 dB
19.99 MHz
Ref +0.7 dB
Ref
-0.7
dB
Example:
Actual
Attenuation
=
Attenuator
Setting
+
(Marker: Reading - Insertion Loss)
= 20dB
+ (0.01 dB — (— 0.013 d8}
=
20.023 dB
*Reference for attenuation flatness.
OPTION 001:
X3 Gain Accuracy:
Voltmeter Reading
V1
~ 3.5VRMS
2
B
Voltmeter Reading
V2
~ 10.6VRMS
Gain Error (%)
|
=
= °] x 100%
V1
4-33
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