Agilent Technologies HP 8566B Spécifications Page 217

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 405
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 216
Equipment
Procedure
Frequency
Zero
Check
Filter
Center
and
Symmetry
Adjustments
Note
7. 3
MHz
Bandwidth Filter Adjustments
1O:l
Divider Probe, 10
MW7.5
pF
(2
required).
...........
HP 10432A
Frequency Synthesizer ......................................
HP3335A
Oscilloscope
...............................................
HP 54501A
Crystal Filter Bypass Network (4 req&-ed)
.........
See Figure 3-109
Test Cable: BNC to SMB snap-on
....................
HP 85680-60093
1.
2.
3.
4.
5.
6.
7.
8.
Position the spectrum analyzer upright as shown in Figure 3-37
and remove the IF-Display Section top cover.
Set the spectrum analyzer LINE switch to ON and press
(2-22).
Connect CAL OUTPUT signal to RF INPUT
Key in
IRECALL)
@.
Adjust front panel FREQ ZERO control for maximum signal
amplitude on the CRT display.
Key in (CENTER FREQUENCY) 100 MHz, [FREQUENCY
SPA~I~
s
10
kHz,
(BW)
1
kHz,
and press LIN pushbutton.
Press
[REFERENCE LEVEL) and adjust reference level, using step keys and
front-panel knob to place signal peak near top CRT graticule line.
On
A4A7
3 MHz Bandwidth Filter Assembly connect crystal filter
bypass networks between the two test points above C41 SYM, C32
SYM, C23 SYM, and Cl4 SYM. See Figure 3-38 for the location of
A4A7
3MHz
Bandwidth filter.
Adjust
A4A7C7
CTR for minimum amplitude of the displayed
signal peak. Adjust
A4A7C6
SYM for best symmetry of the
displayed signal. Repeat adjustments to ensure that the displayed
signal is
nulled
and adjusted for best symmetry. See Figure 3-38
for location of adjustments.
You may find it helpful to widen and narrow the spectrum analyzer
frequency span to adjust the bandpass symmetry and centering for
each filter stage.
Adjustments 3-77
Vue de la page 216
1 2 ... 212 213 214 215 216 217 218 219 220 221 222 ... 404 405

Commentaires sur ces manuels

Pas de commentaire