HP 8568B Manual de usuario Pagina 32

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 313
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 31
3. Sweep Time Accuracy
Test
(220 ms)
Equipment
Universal Counter ..........................................
HP
5316A
Digital Voltmeter
...........................................
HP
3456A
Procedure
Sweep Times 220 ms
1. Connect equipment as shown in Figure 2-4.
2. Press [INSTR PRESET) on the spectrum analyzer.
3. Key in the following settings:
(CENTER FREQUENCY)
.....................................
500
MHZ
[FREQUENCY SPAN]
...........................................
0 kHz
4. Set up the universal counter as follows:
a. Set all front panel keys in “out” position.
b. Set POWER switch to ON.
c. Set GATE TIME vernier control to 9 o’clock.
d. Set SEPXOM A switch to COM A position.
e. Depress T.I. A
+
B switch (making sure the blue shift key is
out).
f. Set Channel A trigger level to trigger on negative slope.
g. Set Channel B trigger level to trigger on positive slope.
h. Set both Channel A and Channel B
ac/dc
switches to
de.
i. Connect the digital voltmeter to Channel A TRIGGER LEVEL
OUT. (Be sure to ground the DVM properly.)
j. Adjust Channel A trigger level to set a DVM voltage reading of
0.3 v.
k. Repeat steps i and j for Channel B.
5. Set analyzer @WEEP TIME) to 20 ms. Allow the universal counter
enough time to settle at this sweep time.
2-10
Performance Tests
Vista de pagina 31
1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 312 313

Comentarios a estos manuales

Sin comentarios