R&S®SMB100A microwave signal generator with a frequency range up to 40 GHz provides outstanding spectral purity and high output power. In addition, it features easy operation, comprehensive functionality and low cost of ownership.

1. R&S®SMB100A Microwave
Signal Generator
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2. AIM
To give the basic idea about
R&S®SMB100A Microwave Signal Generator
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3. Content
• Brief description
• Front Panel Overview.
• Rear Panel Overview.
• Putting into Operation.
• Shutting Down the Instrument.
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4. Brief description
• A signal generator is an electronic device that
generates repeating or non-repeating electronic
signals in either the analog or the digital domain.
These generated signals are used as a stimulus for
electronic measurements.
• R&S®SMB100A microwave signal generator
with a frequency range up to 40 GHz provides
outstanding spectral purity and high output
power. In addition, it features easy operation,
comprehensive functionality and low cost of
ownership.
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5. Front Panel Overview
The front panel of the R&S SMB consists of the VGA display, some utility keys (left
side) and the hard key area with connectors and control interfaces (right side).
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6. Standby LEDs and Standby Key
The standby LEDs and the ON/STANDBY key are located in the bottom left corner
of the front panel.
The ON/STANDBY key toggles the instrument between standby and ready state
(indicated by the standby LEDs).
The standby LEDs indicate the instrument states as follow:
● the green LED (left) is on when the instrument is ready for operation,
● the yellow LED (right) is on in the standby mode.
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7. Utility Keys
PRESET
Sets the instrument to a defined state
LOCAL
Switches from remote control to local (manual) control.
SETUP
Opens the "Setup" dialog for configuring presetting's.
FILE
Activates the menu for storing or loading files
INFO
Displays status messages, error messages and warnings.
WINBAR
Toggles between the diagram and active menus.
HELP
Displays context-sensitive help text.
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8. Display
• The display clearly shows all main settings and signal
generator states.
The display is divided into the following sections:
● Frequency and level display with info line
– Frequency and level settings containing offset.
– Status messages
– Brief error messages.
To access an window with detailed information for a
message, use the INFO key.
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9. Setup Keys
These keys provide direct access to the settings in the header of the instrument for fast
setting the RF signal.
FREQ
Activates frequency entry.
LEVEL
Activates level entry.
ON/OFF TOGGLE
Switches highlighted elements or a function block on and off.
BACKSPACE
Deletes the character to the left of the cursor.
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10. Display Keys
DIAGRAM
Brings the block diagram to the foreground. Active menus are minimized.
ESC
The function of this key depends on the current cursor position.
● Closes all kinds of dialog boxes, if the edit mode is not active.
● Quits the edit mode, if the edit mode is active.
● Switches between different entry fields of a menu.
MOD ON/OFF
Switches the modulations on and off.
RF ON/OFF
Switches the RF signal on and off.
"RF OFF" is displayed in the header next to the "Frequency" field.
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11. Keypad for data entry
The keys in the data entry keypad are used to enter alphanumeric data
and units.
Data entry keys are only enabled while the cursor is placed on a data
input field in a dialog. Their function depends on the data type of the
input field.
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12. Rotary Knob and Navigation Keys
The rotary knob and the arrow keys are alternative control
elements for data variation and navigation in the graphical user
interface.
The rotary knob has several functions:
● Increases (clockwise direction) or decreases (counter-
clockwise direction) numeric
values at a defined step width in editing mode
● Moves the cursor, e.g. to a function block in the block
diagram
● Scrolls within lists, tables or tree views
● Acts like the ENTER key, when it is pressed.
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13. NAVIGATION KEYS
UP/ DOWN KEYS
In a numeric edit dialog box, increase or decrease the
instrument parameter.
LEFT/ RIGHT KEYS
In an alphanumeric edit dialog box, move the cursor
forward and back.
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14. Front Panel Connectors
Input for external modulation signals.
Output for internal LF modulation generator
signal.
Output for RF signal.
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15. Rear Panel Overview
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16. AC SUPPLY AND POWER SWITCH
USB (universal serial bus) interface of type B (device USB).
This interface can be used for remote control of the
instrument.
USB (universal serial bus) interfaces of type A (host USB).
● Connection of peripherals such as mouse, keyboard, etc.
● Connection of memory stick for file transmission
● Firmware update
LAN CONNECTOR
Ethernet interface
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17. Putting into Operation
1.Apply 230 AC into the power socket.
2.Select the power switch to on position.
3.Connect the RF cable to the output port.
4.Press the power button switch and wait few second for booting.
5.Press ‘FREQ’ button and select the frequency by using key according to your
requirement.
6.Press ‘LEVEL’ button and select amplitude by using key according to your
requirement.
7.Press ‘RF ON/OFF’ button, to deliver the RF Signal according to the selected setting.
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18. Shutting Down the Instrument
1. Press the ON/STANDBY key to save the current setup, shut
down the operating system and set the instrument to standby
state. The yellow LED must be on.
2. To switch off the power, press the main power switch to
position 0 (Off).None of the front-panel LEDs should be on.
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