HP 3314A - Page 71

PERFORMANCE TEST RECORD (Cont'd)
Table 4·10. Vernier Attenuator Flatness
Attenuator
Spectrum Analyzer
Attenuator
3314A Frequency
Setting
Marker Amplitude
Insertion loss
Actual Attenuation UpperLimit
Lower Limit
10 dB
"Ref
10 kHz
20 dB
"Ref
10 dB
Ref +003 dB
Ref -003 dB
50 kHz
20 dB
Ref +0,03 dB
Ref -003dB
10 dB Ref +0,16 dB Ref -0,16 dB
1
MHz
20 dB
Ref +0 16 dB
Ref -0,16 dB
10 dB
Ref +07 dB
Ref -07 dB
1999 MHz
20 dB
Ref +0.7 dB
Ref -07 dB
Example Actual Attenuation = Attenuator Setting + (Marker I Reading - Insertion loss)
= 20 dB + (001 dB - (-0013 dBI)
= 20023 dB
*
Reference for attenuation flatness
OPTION 001:
X3 Gain Accuracy'
Voltmeter Reading
- 35VRMS
Voltmeter Reading
- 106VRMS
~
2
Gain Error (%) = --
V1
V1
V2
4-11