Agilent Technologies E1401-90493 Manuale Utente Pagina 119

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
  • Pagina
    / 642
  • Indice
  • SEGNALIBRI
  • Valutato. / 5. Basato su recensioni clienti
Vedere la pagina 118
Chapter 2 119
Performance Verification Tests
15. Reference Level Accuracy: Agilent E4402B, E4403B, E4404B, E4405B, E4407B, and
E4408B.
Example for 50 dB attenuator setting:
Log Scale, Analog Bandwidths
1. Set the synthesized signal generator controls as follows:
FREQUENCY, 50 MHz
AMPLITUDE
, 12 dBm
2. Connect the equipment as shown in Figure 2-15. Set the 10 dB step
attenuator to 20 dB attenuation and the 1 dB step attenuator to
5 dB attenuation.
3. Press
Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Press
System, Alignments, Auto Align, Off. Set the analyzer
by pressing the following keys:
FREQUENCY, 50 MHz
AMPLITUDE, –20 dBm
Attenuation, 10 dB
Scale/Div
, 1dB
SPAN
, 50 kHz
BW/Avg, 3 kHz
Video BW, 30 Hz
4. Set the 1 dB step attenuator to place the signal peak 1 to 3 divisions
below the reference level.
5. On the analyzer, press the following keys:
Single
Peak Search
(or Search)
Marker, Delta
6. Set the 10 dB step attenuator and analyzer reference level according
to Column 1 and Column 4 of Table 2-24. At each setting, do the
following:
a. Press
Single on the analyzer.
b. Press
Peak Search (or Search).
c. Record the marker delta amplitude reading in Column 5 of Table
2-24.
d. Add the Actual Attenuator Step to the analyzer marker delta
amplitude and enter the result as the Test Record entry in the
Actual Attenuation 50 dB()50.08 dB=
Actual Attenuation 20 dB()19.85 dB=
Actual Attenuator Step 50 dB()19.85 dB 50.08dB()=
30.23dB=
Vedere la pagina 118
1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 641 642

Commenti su questo manuale

Nessun commento