Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 259)

13. Sweep, DAC, and Main Coil Driver Adjustments

17. Perform this step only if the A19 Digital-to-Analog Converter

P/N

85660-60164 or 85660-60038. (HP

85660A/B

with serial

number prefix 2407A or below.)

a. Connect DVM to

A19TP2

and DVM ground to A19 GND.

b. Key in

C-1,

[SHIFT)

[ml),

SWEEP

C-J,

LSHIFT)

@EiGT~,

@TART

FREQ) 2.5

GHz,

LsTopFREQ)

4.9

GHz,

(SAVE_)

@KFEij--

2.51

GHz,

(SAVE) 2,

[sTop)

GHz,

[FREQUENCY

SPAN

)

&ENTER

FREQUENCY)

2.0

GHZ,

(SAVE_)

(CENTER FREQUENCY] 6.2

GHz,

IsAVEJ

5, [CENTER FREQUENCY] 2.3

GHz, (SAVE) 6.

c. Key in

(ml

1 and note stable DVM indication after sweep

has completed (approximately -7.5 Vdc).

d. Key in

@ZZXiJ

2 and note change in stable DVM indication

from previous step.

e. Adjust

A19R19

Summing Amplifier OFFSET while alternating

between@=]

1 and

(m)

2 so that stable DVM

indication varies less than 1

mVdc.

f. Key in (RECALL] 1 and note stable DVM indication after sweep

has completed.

g. Key in

(w)

3 and note change in stable DVM indication

from previous step.

h. Adjust

A19R41

GHz

SPAN OFFSET while alternating

between

@ZiiQ

1 and

[RECALL_)

3 so that stable DVM

indication varies less than 3

mVdc.

i. Key in

(?ZZZiIQ

4 (to set YTO Pretune DAC to 0).

j. After sweep has completed, adjust

A19R5

DC for stable DVM

indication of -6.0000 f0.0005 Vdc.

k. Key in

Cm]

5 (to set YTO Pretune DAC to 4095).

1. After sweep has completed, adjust

A19R2

AV for stable DVM

indication of -18.6000

f0.0005

Vdc.

m. Key in

km)

6 (to set YTO Pretune DAC to 293).

n. After sweep has completed, readjust

Al9R5

DC for stable

DVM indication of -6.9010 f0.0005 Vdc.

o. Repeat steps k through n until no further adjustments are

necessary.

18. Perform this step only if the A19 Digital-to-Analog Converter is

P/N

85660-60212. (HP

85660A/EI

with serial number prefix 2409A

and above.)

a. Connect DVM to

A19TP5

and DVM ground to

A19TP3.

b. Key in

C-J,

CsHlFTJ

[IZZXQ),

SWEEP

(WJ,

(SHIFT)

(jRESy,

[FREQUENCY SPAN) 0 HZ,

(CENTER

FREQUENCY]

GHz,

(SAVE) 1, [CENTER FREQUENCY) 6.2

GHz,

[CENTER FREQUENCY_) 2.3

GHz,w

3, [START FREQ) 2.5

GHz,

@EEiKQ

2.51

GHz,

ISAVE)

c-1

GHz,

(sTopI

GHz,

LSAVE)

Adjustments

3-l

1 2 ... 254 255 256 257 258 259 260 261 262 263 264 ... 404 405

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Agilent Technologies HP 8566B Spécifications Page 259

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