Agilent Technologies 856290216 service manual MHz Reference Adjustment-OCXO Non-Option

11. 10 MHz Reference Adjustment-OCXO (Non-Option 103)

SPECTRUM

ANALYZER

0000	00 00	FREQUENCY
0000		STANDARD

BNC CABLE BNC CABLE

BOTTOM-SIDE VIEW

FREQ

ADJ

OF MAIN DECK

c

-yJo 0

0 0

0

S K 1 2 0

“0lc

Figure 2-19. 10 MHz Reference Adjustment Setup and Adjustment Location

Equipment

Frequency counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 5334A/B Frequency standard . . . . . . . . . . . . . . . . . . . . . . . . . HP 5061B Cesium Beam Standard

(or any 10 MHz frequency standard with accuracy <fl X 10-l’)

Cable

BNC, 122 cm (2 required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A

Procedure

Note	Failure to allow a 24 hour minimum warmup time for OCXO frequency and
	temperature stabilization may result in oscillator misadjustment.

1.Connect equipment as shown in Figure 2-19 as follows:

a.Press (LINE) to turn the spectrum analyzer on. After the automatic power-on adjustment sequence is complete, press [PRESET) to ensure that the frequency reference is set to internal.

Adjustment Procedures 2-49