Rohde & Schwarz HMF2550 User guide

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
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
[phone]
[e-mail]
North America
1-888-TEST-RSA (1-888-837-8772)
custom[email protected]schwarz.com
Latin America
[phone]
[e-mail]
Asia/Pacific
[phone]
[e-mail]
China
[phone] /[phone]
[e-mail]
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