HP 8568B Manuel d'utilisateur télécharger pdf (Page 73)

15. Spurious Responses Test

signal for a marker indication of -20.00 dBm (-30.0 dBm at the

input mixer with 10 dBm of input attenuation).

On the spectrum analyzer, key in MARKER

CCENTER

FREQUENCY) 560 MHz, MARKER

CPEAK

SEARCH) to position

a second marker on the peak of the second harmonic distortion

product of the 280 MHz input signal. The response should be

below the display line

(>70

below the input signal level).

Second Harmonic

dBm

7. On the synthesized sweeper, key in

~POWER

LEVEL)

ato

decrease

the amplitude of the 280 MHz signal by 10

dB.

8. On the spectrum analyzer, key in MARKER

loFF),

CCENTER

FREQUENCY) 280 MHz, [REFERENCE LEVEL) -30 dBm,

DISPLAY LINE [ENTER] -105 dBm, MARKER

CPEAK

SEARCH) to

position a marker on the peak of the displayed 280 MHz signal.

9. On the synthesized sweeper, press [POWER LEVEL] and use the

ENTRY knob to adjust the amplitude of the displayed 280 MHz

signal for a marker indication of -30.00 dBm (-40.0 dBm at the

input mixer with 10 dBm of input attenuation).

10. On the spectrum analyzer, key in MARKER

a],

[CENTER FREQUENCY) 840 MHz, MARKER [PEAK SEARCH) to position

a second marker on the peak of the third harmonic distortion

product of the 280 MHz input signal. The response should be

below the display line (>75

below the input signal level).

Third Harmonic

dBm

Performance Tests 2-51

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 312 313

Commentaires sur ces manuels

Pas de commentaire

HP 8568B Manuel d'utilisateur Page 73

Commentaires sur ces manuels

Produits connexes et manuels pour Mesure, test et contrôle HP 8568B