AC Flatness Adjustment Procedure (cont’d)

Example Program (cont’d)

1270

Offset_factor=Dmm_ref

 

1280

PRINT "CORRECTION FACTOR =";Correct_factor

 

1290

PRINT

 

 

1300

PRINT

 

 

1310

PRINTER IS CRT

 

1320

!

 

 

1330

!

 

 

1340

!---------- Perform measurements at test freqs ----------

 

1350

!

 

 

1360

PRINT "

FREQ READING (V) ERROR (dBm)"

 

1370

PRINT "

---- ----------- -----------"

 

1380

PRINT

 

 

1390

!

 

 

1400

FOR I=1 TO Num_points

 

1410

!Set AFG to test freq

 

1420

IF Test_freq(I)>1.073741824E+7 THEN

!SCPI can’t do 10.8MHz

1430

GOSUB Max_afg_freq

!so use register commands

1440

ELSE

 

 

1450

OUTPUT @Afg;"FREQ "&VAL$(Test_freq(I))

 

1460

END IF

 

 

1470

!

 

 

1480

!Get reading

 

1490

IF Filter$="250KHZ" THEN

!If 250K filter,

1500

CALL Dmm_flat_rdg(Test_freq(I),Reading,Dmm_setup)

1510

ELSE

 

!If 10M filter,

1520

CALL Pm_flat_rdg(Test_freq(I),Reading,Pm_setup)

1530

END IF

 

 

1540

Flat_result=Reading*Correct_factor

!Adjust reading

1550

!Convert to dBm error

 

1560

Flat_error_dbm=PROUND((20*LGT(Flat_result)+13.0103)-(20*LGT(Offset_factor)+13.0103),-4)

1570

Results(I)=Flat_error_dbm

!Store result in array

1580

!

 

 

1590

Freq$=FNFormat_num$(Test_freq(I),1.E+5,9,"M6D","MD.2DESZ")

1600

Result_v$=FNFormat_num$(Flat_result,1.E+3,9,"M2D.5D","MD.3DESZ")

1610

Result_dbm$=FNFormat_num$(Flat_error_dbm,10,9,"M2D.5D","MD.3DESZ")

1620

PRINT USING "9A,5X,9A,5X,9A";Freq$,Result_v$,Result_dbm$

1630

NEXT I

 

!End of loop

1640

PRINT

 

 

1650

SUBEXIT

 

 

1660

!

 

 

1670 Max_afg_freq: !Set AFG to 10.8MHz with register level commands

1680

OUTPUT @Afg;"FREQ MAX"

!Get close with SCPI

(Continued on next page)

Agilent E1445A Service Manual

Adjustments 99

Page 101
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Agilent Technologies E1445A, 75000 Series C service manual Offsetfactor=Dmmref

75000 Series C, E1445A specifications

The Agilent Technologies E1445A is part of the renowned 75000 Series C modular test and measurement instruments, specifically designed to provide high-performance capabilities for advanced electronic testing applications. This versatile and compact device is essential for engineers and technicians who require reliable and accurate measurement solutions in research and development, manufacturing, and quality assurance environments.

One of the main features of the E1445A is its modular architecture, which allows for a high degree of customization and scalability. Users can integrate the E1445A with other modules within the 75000 Series C, facilitating a wide range of testing scenarios from basic measurements to complex multi-channel applications. This modularity not only maximizes resource utilization but also simplifies maintenance and upgrades, ensuring longevity and adaptability in rapidly evolving technological landscapes.

The E1445A is equipped with advanced measurement technologies that enhance its performance. It offers precision analog and digital measurement capabilities, which are essential for a diverse array of applications, including semiconductor testing, circuit debugging, and signal integrity analysis. With its highly accurate time and frequency measurements, the E1445A stands out in applications that demand meticulous timing and synchronization.

The device also features a high-speed data acquisition system, enabling users to capture and analyze signals at faster rates. This is complemented by sophisticated signal processing algorithms that improve noise immunity and measurement reliability, making it suitable even for challenging environments. Furthermore, the E1445A supports various communication interfaces, which facilitate seamless connectivity with modern computer systems and data analysis software.

Another characteristic of the E1445A is its user-friendly interface, which simplifies operation and minimizes the learning curve for new users. The intuitive controls and graphical display make it easier for users to navigate through various measurement setups and results. Additionally, the device comes with extensive documentation and support resources, allowing users to maximize their efficiency and effectiveness in test execution.

In summary, the Agilent Technologies E1445A from the 75000 Series C is a robust and flexible test and measurement solution. Its modularity, advanced measurement technologies, high-speed capabilities, and user-friendly interface make it a valuable tool for professionals in electronics testing and validation. Its ability to adapt to a wide range of applications positions it as a critical asset in today's fast-paced technological environment.