Tegam GEMINI 5540A User manual

GEMINI 5540A
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5540A-901,Rev. A
GEMINI 5540A RF POWER METER
QUICK START GUIDE
1. UNPACKING AND INSPECTION
Thank you for your purchase of the TEGAM GEMINI 5540A RF
Power Meter. This Quick Start Guide will provide the essential
information necessary to begin using your new instrument right
away. For a full explanation of the features and functions,
however, please download the Operator’s Manual at
www.tegam.com.
1.1. Inspection
Each GEMINI RF Power Meter is
electrically and mechanically inspected
before shipment. Upon receiving your
new TEGAM RF Power Meter, unpack all
items from the shipping container and
inspect the items for any obvious
damage that may have occurred during
transit. Notify TEGAM immediately if
damage, dents, worn connectors, or
other irregularities are found. Use the original packing materials
if reshipment is necessary.
1.2. Package Contents
Each GEMINI 5540A RF Power Meter is shipped with:
•GEMINI 5540A RF Power Meter, with input and output
connectors as specified by customer at time of purchase
•CA-65-72, USB Type B to Type A Data Transfer and Power
Cable, 36 inches
•5540A-901, GEMINI 5540A RF Power Meter Quick Start
Guide
•Calibration Certificate and Documentation
Figure 1: GEMINI 5540A RF
Power Meter

GEMINI 5540A
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5540A-901,Rev. A
2. INSTRUMENT DISPLAY
The GEMINI RF Power Meter digital
direct-reading display, shown in
Figure 2, provides forward and
reverse power measurements,
VSWR, and frequency. These
readings are indicated on the
display by the designators FWD
PWR, REV PWR, VSWR, and FREQ
respectively. Units of measurement
are displayed on the right side of the display. The displayed
measurement data is updated three times per second.
NOTE: The Frequency indication is informational and provided only for
the user’s convenience. For traceable frequency measurements, use
appropriate instruments.
NOTE: The VSWR indication is informational only when any Forward or
Reverse Power indication is outside the specified measurement range of
the instrument.
3. CONNECTING THE RF POWER METER AND TAKING YOUR
FIRST MEASUREMENT
To meet published specifications, allow the instrument to
acclimate in the laboratory environment for at least 24
hours after shipping, storage, or other exposure to
temperatures beyond its operating
range of 18 to 28 °C.
Before connecting your GEMINI RF
Power Meter to any RF power source,
identify the INPUT and OUTPUT ports.
The INPUT port and power flow
direction are designated by the
symbol on the instrument housing (see
Figure 3).
Figure 2: GEMINI RF Power
Meter Display
Figure 3: Power flow direction
symbol.

GEMINI 5540A
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5540A-901,Rev. A
NOTE: The GEMINI RF Power Meter may be calibrated to either the input
or output port. However, the RF power source must always be connected
to the input port regardless of which port is calibrated. Failure to do so
may result in incorrect readings. Refer to the Calibration Certificate for
port calibration information.
Connect the USB Type B cable to the GEMINI RF Power
Meter 5 VDC power and data transfer port. Connect the
other end of the USB Type B cable to a suitable 5 VDC, 500
mA power source. The GEMINI RF Power Meter display will
illuminate.
NOTE: The GEMINI RF Power Meter may be connected to any USB power
source capable of supplying 5 VDC, 500 mA. This includes some mobile
device portable power banks and wall chargers. However, for
communication and data collection, connection to a USB 2.0 or higher
port on a computer or other data collection device is required.
Connect the GEMINI RF Power Meter OUTPUT to a suitable
load using torque techniques appropriate for the connector
type.
WARNING: High RF power levels may be present at the output
of the GEMINI RF Power Meter. Always connect an appropriate load
to the instrument output.
WARNING: The GEMINI RF Power Meter should be serviced by
qualified personal only. Never attempt to open the instrument casing,
disconnect transmission lines, or otherwise service the meter while RF
power is applied to the system.
Failure to comply with these warnings may result in injury or
death to personnel, and damage to equipment.
Connect the GEMINI RF Power Meter INPUT to the RF power
source using torque techniques appropriate for the
connector type.
Allow 10 minutes for the instrument to warm up.

GEMINI 5540A
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5540A-901,Rev. A
Turn ON the source RF output power. The display will begin
updating immediately. Allow sufficient time for the readings
to stabilize before recording the measurement results.
4. GEMINI TOOLS™RF POWER METER APPLICATION
4.1. Description
The GEMINI Tools power meter application is a free software
interface available for download to all GEMINI RF Power Meter
users. The application allows for remote monitoring and data
collection from up to five instruments simultaneously. Data is
stored in text files and formatted for easy importing into
spreadsheet, database, or other data management programs.
4.2. Operation
Operation of the GEMINI Tools power meter application is
straightforward:
Download and run the installer found at
www.tegam.com/geminitools.
Launch the program and set the Configuration Parameters
as desired (click Tools -> Configuration).
Connect your new GEMINI RF Power Meter to the PC or
compatible USB hub on which the GEMINI Tools power
meter application is running. The application will
automatically detect connected instruments.
Select the desired unit in the Available Meters group (hold
the CTRL key to select up to five (5) units).
Click START Data Collection to begin collecting
measurement data.
5. FURTHER INFORMATION
This Quick Start Guide is just the beginning. Please visit
www.tegam.com to download the Operation Manual and
familiarize yourself with all the features and benefits of your new
TEGAM GEMINI 5540A RF Power Meter.