Rohde & Schwarz HMF2550 Benutzerhandbuch

Generation and Measurement

of signals using Function

Generator and Programmable

Counter

Step-By-Step Application

Guide

Products:

|R&S HMF2550

|R&S HM8123

The purpose of this document is to allow

participant to practice and navigate some

of the key features of R&S®HM8123

Programmable Counter and

R&S®HMF2550 Function Generator. By

completing the exercise, user should learn

how to demo some of the key feature of

both the equipment and explains some of

the concepts and settings. The document is

separated into two part, with the first part

explaining the main controls of each

instrument. The second part of the

document contains the lab exercise with

the R&S®HMF2550 generating a signal

and R&S®HM8123 programmable counter

measuring the generated signal.

Heng Wee Boo

08.2016- 5RAS_AG04_e001

5RAS_AG04_e00 2

History

01.06.2016

Heng Wee Boo

first version

Table of Contents

5RAS_AG04_e00 3

Table of Contents

1Introduction of Operating Elements..................................... 4

R&S®HM8123 Programmable Counter ........................................................4

R&S®HMF2550 Arbitrary Generator.............................................................5

2Exercise .................................................................................. 6

Creating a Sine Signal using R&S®HMF2550 Arbitrary Generator. (CW

Signal)............................................................................................................6

Measuring the given signal using R&S®HMF2550 Programmable Counter

........................................................................................................................7

Introduction of Operating Elements

R&S®HM8123 Programmable Counter

5RAS_AG04_e00 4

1Introduction of Operating Elements

R&S®HM8123 Programmable Counter

Front panel of R&S®HM8123

1. POWER (Pushbutton)

2. GATE (LED)

The GATE LED will be on for the

duration of the gate time and

synchronization time, i.e. for the

duration of one complete

measurement.

3. REMOTE (LED and pushbutton)

4. Display (LCD)

5. Display (LCD)

6. ENTER (pushbutton)

7. SELECT (pushbutton)

8. pushbuttons

9. Rotating knob

Knob for entering parameters

10. GATE TIME (pushbutton)

11. LEVEL B (pushbutton)

12. LEVEL A (pushbutton)

13. 1 : 10 pushbutton

Input attenuator, total

attenuation 100 times.

14. DC (pushbutton)

Selects the coupling of the

corresponding channel.

Button DC lit = DC coupling

Button DC dark = AC coupling

15. Slope (pushbutton)

16. 1 : 10 pushbutton

Input attenuator, total

attenuation 100 times.

17. 50 Ω (pushbutton)

18. LP 50 kHz (pushbutton)

19. TRIG (LED)

20. INPUT A (BNC connectors)

21. AUTO TRIG (pushbutton)

22. INPUT B (BNC connectors)

23. TRIG (LED)

24. INPUT C (SMA connector)

25. RESET / V (pushbutton)

26. TRIG / GHz/s (pushbutton)

27. HOLD / mV (pushbutton)

Introduction of Operating Elements

R&S®HMF2550 Arbitrary Generator

5RAS_AG04_e00 5

R&S®HMF2550 Arbitrary Generator

1. POWER - Power switch turns

the instrument on/off

2. Display (TFT) - All parameters

including the current waveform

are shown concurrently

3. Interactive Softkeys - Direct

access of all relevant functions

4. Numerical keyboard - Setting of

all operating parameters with

respective units

5. SWEEP - Selection of the

parameters for sweep mode

6. MOD - Modulation modes

7. BURST - Add user defined

period to the waveform

depending on internal or

external trigger signa

8. MENU - Open the menu optionsl

9. Arrow buttons - Cursor keys for

shifting the cursor to the position

to be changed,

increase/decrease value of the

selected parameter

10. Rotary knob - Knob to adjust the

values / confirm settings by

pushing the knob

11. OUTPUT - Turn on/off the output

12. OFFSET - Add a user defined

DC voltage to the signal output

13. INVERT - Inverses the pulse

signal output

14. REM/TRIG - Toggling between

front panel and remote operation

or force trigger

15. USB stick port - USB stick port

for storing parameters and load

waveforms

16. Signal functions - Selection of

the signal: sine wave, square

wave , triangle , pulse , arbitrary

Exercise

Creating a Sine Signal using R&S®HMF2550 Arbitrary Generator. (CW Signal)

5RAS_AG04_e00 6

2Exercise

Creating a Sine Signal using R&S®HMF2550 Arbitrary

Generator. (CW Signal)

Equipment Needed:

lR&S®HM2550

Instrument Settings:

1. Power on the R&S®HM2550

2. Select the signal to be a Sine signal by pressing on the Panel keys

3. Configure the signal parameters as shown in screen shot below

Exercise

Measuring the given signal using R&S®HMF2550 Programmable Counter

5RAS_AG04_e00 7

Measuring the given signal using R&S®HMF2550

Programmable Counter

Equipment Needed:

lR&S®HM8123 Programmable Counter

l2x BNC –BNC RF Cables

Instrument Settings:

1. Power on the R&S®HM8123 Programmable Counter

2. Connect the signal output of R&S®HMF2550 to Input A of

R&S®HM8123

3. Click on the OUTPUT key of R&S®HMH2550

4. Press Reset on R&S®HM8123

Question 1

What is the measured frequency of the signal? Is it at 10 MHz? If not,

why?

______________________________________________________________

5. Connect 10 MHz Reference Out (R&S®HMF2550) to 10 MHz

Reference In (R&S®HM8123)

6. Press SELECT (Menu) -> Select Reference->Reference->External

(Using arrows and ENTER (menu)

Question 2

What is the measured frequency of the signal now? Can you explain

the reason why change in measured values.

______________________________________________________________

7. Please feel free to try changing the Frequency output of

R&S®HMF2550 and observe the measurement result on

R&S®HM8123

8. Explore on other features of both R&S®HMF2550 and R&S®HM8123

Exercise

Measuring the given signal using R&S®HMF2550 Programmable Counter

5RAS_AG04_e00 8

Summary

This short exercise show how two instruments can be used

to demo the functionary of both the instruments. It also

illustrate the importance of setting references between

source and measuring instruments will improve on the

measurement result.

About Rohde & Schwarz

Rohde & Schwarz is an independent group

of companies specializing in electronics. It is

a leading supplier of solutions in the fields of

test and measurement, broadcasting,

radiomonitoring and radiolocation, as well as

secure communications. Established more

than 75 years ago, Rohde & Schwarz has a

global presence and a dedicated service

network in over 70 countries. Company

headquarters are in Munich, Germany.

Environmental commitment

●Energy-efficient products

●Continuous improvement in

environmental sustainability

●ISO 14001-certified environmental

management system

Regional contact

Europe, Africa, Middle East

+49 89 4129 12345

customersupport@rohde-schwarz.com

North America

1-888-TEST-RSA (1-888-837-8772)

custom[email protected]schwarz.com

Latin America

+1-410-910-7988

customersupport.la@rohde-schwarz.com

Asia/Pacific

+65 65 13 04 88

customersupport.asia@rohde-schwarz.com

China

+86-800-810-8228 /+86-400-650-5896

customersupport.china@rohde-schwarz.com

This application note and the supplied

programs may only be used subject to the

conditions of use set forth in the download

area of the Rohde & Schwarz website.

R&S® is a registered trademark of Rohde & Schwarz

GmbH & Co. KG; Trade names are trademarks of the

owners.

Rohde & Schwarz

Regional Headquarters Singapore Pte. Ltd.

9 Changi Business Park Vista | 486041 Singapore

Phone + 65 6307 0000 | Fax + 65 6307 0303

www.rohde-schwarz.com

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