AES 7880LC2 RF DATARADIO User Manual 7880LC2

AES Corporation RF DATARADIO 7880LC2

Users Manual

UHF
DATA TRANSCEIVERS
PLL SYNTHESIZED (EEPROM)
Service Manual
HERMES ELECTRONICS CO., LTD.
HEC
TABLE OF CONTENS
1.SPECIFICATION…………………………………………………………………..
2
2. CONNECTIONS AND OPERATION DESCRIPTION… … … … … … … … 3
3. CIRCUIT DESCRIPTION … … … … … … … … … … … … … … … … … … … … ..4-6
4. PERFORMANCE TEST AND ALIGNMENT… … … … … … … … … … … 7
5. TEST EQUIPMENT CONFIGURATION … … … … … … … … … … … … … 8
6. TRANSMITTER PERFORMANCE TEST … … … … … .… … … … … … … … … .9-11
7.PARTS LIST……………………………………………………………………..12-15
8. PROGRAMMER INSTRUCTION… … ..… … … … … … … … … … … … … … … .16-20
9. PRINT CIRCUIT BOARD LAYOUT… … … … … … … … … … … … … … … … … ..21-22
10.PARTS ASSEMBLY……….…………………………………………………….23
11.BLOCKDIAGRAM …….………………………………………………………24
12. SCHEMATICS DIAGRAM… … … … … … … … … … … … … … … … … … … … … 25
PAGE1
1. SPECIFICATION
GENERAL SPECIFICATIONS
POWER SOURCE … … … … … … … … … … … … … … … 6.0VD.C.
TEMPERATURE RANGE
STORAGE……………………………………….80maximum -40min.
25nominal
OPERATING…………………………………….70maximum -20min.
ANTENNA IMPEDANCE … … … … … … … … … … … … ...50Ω
FREQUENCY CONTROL … … … … … … … … … … … … … ...PLL SYNTHESISER
FREQUENCIES OF OPERATION … … … … … … … … … ..406-430MHZ,450
-
470MHZ
FREQUENCY TOLERANCE AND STABILITY … … … … ±1.5PPM
HIGH HUMIDITY … … … … … … … … … … … … … … … .90
CHANNEL CAPABILITY … … … … … … … … … … … … … .1 (16CH OPTION)
NOMINAL DIMENSIONS … … … … … … … … … … … … … .60 (L)X 30 (W)X 25 (H)
WEIGHT……………………………………………………….18.5g
RADIO DATA TRANSCEIVER NOMINAL PERFORMANCE
RF OUTPUT POWER … … … … … … … … … … … … … … ..<3W
MODULATION TYPE … … … … … … … … … … … … … … … .FM
CHANNEL SPACING … … … … … … … … … … … … … … … .25KHZ/12.5KHZ
TRANSMIT ATTACK TIME … … … … … … … … … … 25 mS
CURRENT CONSUMPTION
TRANSMIT … … … … … … … … … … … … .1500mA@2.5W
RECEIVE … … … … … … … … … … … … ..60mA
PAGE2
4. PERFORMANCE TEST AND ALIGNMENT
The alignment and performance test procedures assume the use of the following equipment.
Discrete test equipment
Volt Meter Spectrum Analyser and notch filter(option)
RF Power Meter. Coupler (20dB isolation)
DC Power Supply, 0-15V 2A min Distortion Meter
Oscilloscope, 20 MHz dual beam
RF Frequency Counter,
100 kHz - 600 MHz
AF Signal Generator 0 – 20 kHz
RF Signal Generator
SINAD Meter
Modulation Meter
Audio Power Meter
PAGE7
8. PROGRAMMER INSTRUCTION
Welcome to PC Programmer.
Please Read this file, before you first use the software.
TABLE OF CONTENTS
1. Brief introduction
2. Before Installing
3. Install PC Programmer
4. INSTRUCTIONS
5. UnInstall PC Programmer
1. Brief introduction
Welcome to PC Programmer. This program is designed to be used with the
Interface Adapter.
The following equipment will be needed to program the Device:
A. A computer to install this program with at least 2 MB available space
in hard disk and a 9-pin male RS-232 serial port.
B. Win 95,Win 98,Win ME or Win 2000 Operation System.
C. Part of the Programming Kit
1) An interface Adapter.
2) A CD disk with the program, PC Programmer files
2. Before Installing
Before You Run Setup, make sure that your computer meets the minimum
requirements mentioned above, and read the Readme file(this file).
NOTE: If you firstly install PC Programmer in you system, the setup may
update some system files on your computer , so you may run the
setup again after your system be updated. Please follow the
installation instruction on the screen.
3. Install
TO install PC Programmer on your computer
1)Insert the CD.
2)Run Setup.exe
3)Follow the installation instruction on the screen.
Important: You cannot simply copy files from the CD to your hard disk
and run PC Programmer . You must use the Setup program,
which decompresses and installs the files in the appropriate
directories. PAGE 16
4. INSTRUCTIONS
4.1 Connection
4.2 Start up PC Programmer
4.3 Edit Configuration
4.3.1 Open/Recall/Upload Configuration file
4.3.2 Edit Channel data
4.3.3 Set Option item
4.3.4 (Block)Cut/Copy/Delete/Paste
4.3.5 Auto-Frequency edit
4.3.6 Save a Configuration to disk
4.3.7 Download Configuration to device
4.3.8 Print a Configuration
4.4 Exit PC Programmer
4.1 Connection
1.Connect one side of Interface Adapter to the computer's serial port.
Never care the port number, the PC Programmer will locate it
automatically.
2.Connect the other side of Interface Adapter to the Device's 9-pin
male RS-232 port.
3.Connect power supply to device and LED will be light. The device will into
PC_programming mode automatically, please see the picture of below.
PAGE 17
4.2 Start up PC Programmer
1.Select 'Start', choose 'Programs', click on the '*** Serial PC
Programmer' program.
2.When HD Serial PC Programmer is started, a main form will be shown
after a greeting form.
3.There has a menu bar at the top of the main form, and a message box
at the bottom.
NOTE:The program is menu driven for all pertinent commands. All the
commands can be accessed by either key board or the left mouse
button.
Access keys mainly used are:
'Tab' or 'Arrow' to move focus(or cursor)
'Enter' to active a focused command
4.3 Edit Configuration
4.3.1 Open/Upload Configuration file
To edit the configuration, please either
1)Recall an Existing Configuration by click on the 'Open' item in
the File Menu, select the configuration file by click on or input
its name then press 'Enter' key.
OR 2)Upload configuration data from a device by click on 'Upload' item
in the Device menu. to a Configuration window .
Different Model's device Configuration can be opened and edited.
There are two fields in each Configuration window: system data
and Channel data.
OR 3)Open an existing Configuration by click on the 'OPEN' item in the
File Menu. A pop up window will be shown, select a file by arrow
key or mouse then click 'OK'.
4.3.2 Edit Channel data
1)Set focus to the Channel data field by move the mouse pointer.
2)Select a particular channel number to be edited by either the
arrow key or click on it.
3)Pop up input window by either press 'Enter' key or double click
on the selected channel number.
4)Use computer's cursor keys, Tab key, Enter key, arrow key or
mouse to renew the channel data.
5)Click 'OK' button on the input window to accept the change or
'Cancel' to not change, and return back to Configuration Window.
PAGE 18
4.3.3 Edit Option item
1)To Edit Channel Option, Select a particular channel number in
the Option View Window by either the arrow key or click on it,
then Pop up the input window for Channel Option, 'Enter' key or
double click on the selected channel number.
2)To Edit System Option, Pop up input window for System Option,
click "SYSTEM" in the 'OPTION' menu.
3)To Edit Advanced Option, Pop up input window for Advanced Option,
click "ADVANCED OPTION" in the 'OPTION' menu.
4Use computer's cursor keys, Tab key, Enter key, arrow key or
mouse to renew the Option Item.
5)Click 'OK' button on the input window to accept the change or
'CANCEL' to not change, and return back to Configuration Window.
4.3.4 (Block)Cut/Copy/Delete/Paste
To select a block of channel data as source by either
1)Select start channel by arrow key, then while press 'Shift' key
select end channel number by arrow key.
2)Click on start channel, then while press 'Shift' key click on
end channel number
3)Press the left mouse button on start channel then move the mouse
until reach the end channel number, release left mouse button.
A)To Cut selected (block) Channel(s) either press 'Ctrl'+'X'or
click 'CUT' item in Edit menu.
B)To Copy selected (block) Channel(s) either press 'Ctrl'+'C'or
click 'COPY' item in Edit menu.
C)To Delete selected (block) Channel(s) either press 'Del(Delete)'
key or click on 'DELETE' item in Edit menu.
After Cut or Copy, the data can be pasted to where you want.
D)To Paste , select a channel as the start number of target , then
either press 'Ctrl'+'V' or click on 'PASTE' item in Edit menu.
NOTE: Paste operation allows you to export data to any Configuration
window opened.
4.3.5 Auto-Frequency edit
This feature provide you with a quick Frequency set function.
To use this command after either
1)Click 'EDIT' Menu
2)Click on 'AUTOFREQ' item in 'EDIT' menu to pop up a input window.
3)Use computer's cursor keys, Tab key, Enter key, arrow key or mouse
to set data.
PAGE 19
4)Click 'OK' button on the input window to accept the change or
'CANCEL' to not change, and return back to Configuration Window.
4.3.6 Save a Configuration to disk
1)Different configuration can be saved to disk.
2)Click on 'SAVE' item in 'FILE' Menu will overwrite an existing
configuration file on your disk by current configuration.
3)Select 'SAVE AS' from 'FILE' Menu will save the current
configuration by a name as you prefer.
4.3.7 Download to device
To Download current Configuration to device, select 'DOWNLOAD' from
sub menu under 'DEVICE' menu.
4.3.8 Print a Configuration
Click on 'PRINT' item in 'FILE' Menu will send current Configuration
to printer.
4.4 Exit PC Programmer
To Exit PC Programmer,click on 'EXIT' item in 'FILE' Menu.
5. UnInstall PC Programmer
To uninstall PC Programmer from your hard disk, select 'Start'
, choose 'Settings', click on the 'Control Panel', then find 'Add/Remove
Programs' icon from the pop up window then double click on it, then find
'*** Serial PC Programmer' from application list and click on it, then click
on 'Add/Remove' button under application list, then follow the
instructions on your screen.
PAGE 20
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the
following measures:
. Reorient or relocate the receiving antenna.
. Increase the separation between the equipment and receiver.
. Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
. Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: To assure continued compliance, any changes or modifications not
expressly approved by the party responsible for compliance could void the user's
authority to operate this equipment. (Example - use only shielded interface cables
when connecting to computer or peripheral devices).
This device complies with Part 15 of the FCC Rules and IC RSS-119. Operation is
subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation
The antenna of the product, under normal use condition is at least 0.52 m away from
the body of the user. Warning statement to the user for keeping at least 0.52 m
separation distance and the prohibition of operating to a person has been printed on
the user's manual. So, this product under normal use is located on electromagnetic far
field between the human body.

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