2. Frequency Span Accuracy Test

Equipment

Synthesized Sweeper .....................................................................

83640A

 

AdapterTypeN(m) to SMA(f).................................................

1250-1250

 

Cable;SMAconnectors....................................................................

5061-5458

 

Cable; BNC122cm(48in)............................................................

HP10503A
Procedure 1. Connect equipment as shown in Figure 2-3.2.Press QNsTR PRESET] on analyzer.3.Press [CENTER FREQUENCY] 100 MHz, [FREQUENCY SPAN_) 200 Hz.4.Connect synthesized sweeper tot spectrum analyzer RF input 2.5.On synthesized sweeper, select external REFERENCE and key in (jj’ 0 dBm.6.Press Icw] and key in 99.999 910 MHz.

7.Press MARKER [PEAK SEARCH) on spectrum analyzer and record marker reading under FREQ C of Table 2-3.

8.Set synthesized sweeper frequency to 100.000 090 MHz.9.Press MARKER [PEAK SEARCH] and record marker reading under FREQ D of Table 2-3.

10.Repeat the span measurement procedure of steps 6 through 9 for each frequency span listed in Table 2-3.

11.Determine the frequency difference between the two measured points. Enter this value under the A DUT column in ‘fable 2-3.

12.The frequency span error is the difference between A DUT and A SYNTH. (See table 2-3 for values). Calculate the span error and record it in Table 2-4.

13.Compare the table 2-4 spec to the span error value calculated in step 12.lhble 2-3. Wide Span Error

Spectrun

Analyzer

 

 

Synthesized SweeDer

 

 

1

 

 

 

 

 

 

Frequenty

Center

Freq. A

 

Freq. B

 

A Synth

 

 

 

 

 

 

 

 

&an

Frequent y

Cf-.45 span

c

cf + .45 span

(B-4

 

 

 

 

 

 

 

 

200Hz

100

MHz

99.999

910

MHz

 

100.000090

MHz

180

Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOOkHz

100MHz

99.955

000

MHz

 

100.045

000

MHz

90.000

Hz

 

 

 

 

 

 

 

 

100.1 kHz

100

MHz

99.954955

MHz

 

100.045

045

MHz

90.090kHz

 

 

 

 

 

 

 

 

1MHz

100

MHz

99.550

000

MHz

 

100.450000

MHz

900.000kHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

I

 

 

I

1.01 MHz

100 MHz

99.550550MHz

 

100.450500

MHz

909.000kHz

 

I

I

 

 

I

20MHz

100

MHz

91.000

000

MHz

 

109.000000

MHz

18.000

MHz

 

I

I

 

 

 

 

 

 

I

20.1 MHz

100

MHz

90.955

000

MHz

 

109.045.000

MHz

18.090

MHz

 

 

I

 

I

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

1.5GHz

900

MHz

 

225 MHz

 

1575

MHz

1350 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Performance Tests 2 - 7