AES 7880LC2 RF DATARADIO User Manual 7880LC2

AES Corporation RF DATARADIO 7880LC2

Users Manual

UHFDATA TRANSCEIVERSPLL SYNTHESIZED (EEPROM)Service ManualHERMES ELECTRONICS CO., LTD.HEC
TABLE OF CONTENS1.SPECIFICATION…………………………………………………………………..22. CONNECTIONS AND OPERATION DESCRIPTION… … … … … … … … 33. CIRCUIT DESCRIPTION … … … … … … … … … … … … … … … … … … … … ..4-64. PERFORMANCE TEST AND ALIGNMENT… … … … … … … … … … … 75. TEST EQUIPMENT CONFIGURATION … … … … … … … … … … … … … 86. TRANSMITTER PERFORMANCE TEST … … … … … .… … … … … … … … … .9-117.PARTS LIST……………………………………………………………………..12-158. PROGRAMMER INSTRUCTION… … ..… … … … … … … … … … … … … … … .16-209. PRINT CIRCUIT BOARD LAYOUT… … … … … … … … … … … … … … … … … ..21-2210.PARTS ASSEMBLY……….…………………………………………………….2311.BLOCKDIAGRAM …….………………………………………………………2412. SCHEMATICS DIAGRAM… … … … … … … … … … … … … … … … … … … … … 25PAGE1
1. SPECIFICATIONGENERAL SPECIFICATIONSPOWER SOURCE … … … … … … … … … … … … … … … 6.0VD.C.TEMPERATURE RANGESTORAGE……………………………………….80℃maximum -40℃min.25℃nominalOPERATING…………………………………….70℃maximum -20℃min.ANTENNA IMPEDANCE … … … … … … … … … … … … ...50ΩFREQUENCY CONTROL … … … … … … … … … … … … … ...PLL SYNTHESISERFREQUENCIES OF OPERATION … … … … … … … … … ..406-430MHZ,450-470MHZFREQUENCY TOLERANCE AND STABILITY … … … … ±1.5PPMHIGH HUMIDITY … … … … … … … … … … … … … … … … .90﹪CHANNEL CAPABILITY … … … … … … … … … … … … … .1 (16CH OPTION)NOMINAL DIMENSIONS … … … … … … … … … … … … … .60 ㎜(L)X 30 ㎜(W)X 25 ㎜(H)WEIGHT……………………………………………………….18.5gRADIO DATA TRANSCEIVER NOMINAL PERFORMANCERF OUTPUT POWER … … … … … … … … … … … … … … ..<3WMODULATION TYPE … … … … … … … … … … … … … … … .FMCHANNEL SPACING … … … … … … … … … … … … … … … .25KHZ/12.5KHZTRANSMIT ATTACK TIME … … … … … … … … … … ＜25 mSCURRENT CONSUMPTIONTRANSMIT … … … … … … … … … … … … .1500mA@2.5WRECEIVE … … … … … … … … … … … … ..60mAPAGE2
4. PERFORMANCE TEST AND ALIGNMENTThe alignment and performance test procedures assume the use of the following equipment.Discrete test equipmentVolt Meter Spectrum Analyser and notch filter(option)RF Power Meter. Coupler (20dB isolation)DC Power Supply, 0-15V 2A min Distortion MeterOscilloscope, 20 MHz dual beamRF Frequency Counter,100 kHz - 600 MHzAF Signal Generator 0 – 20 kHzRF Signal GeneratorSINAD MeterModulation MeterAudio Power MeterPAGE7
8. PROGRAMMER INSTRUCTIONWelcome to PC Programmer.Please Read this file, before you first use the software.TABLE OF CONTENTS1. Brief introduction2. Before Installing3. Install PC Programmer4. INSTRUCTIONS5. UnInstall PC Programmer1. Brief introductionWelcome to PC Programmer. This program is designed to be used with theInterface Adapter.The following equipment will be needed to program the Device:A. A computer to install this program with at least 2 MB available spacein 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 Kit1) An interface Adapter.2) A CD disk with the program, PC Programmer files2. Before InstallingBefore You Run Setup, make sure that your computer meets the minimumrequirements mentioned above, and read the Readme file(this file).NOTE: If you firstly install PC Programmer in you system, the setup mayupdate some system files on your computer , so you may run thesetup again after your system be updated. Please follow theinstallation instruction on the screen.3. InstallTO install PC Programmer on your computer1)Insert the CD.2)Run Setup.exe3)Follow the installation instruction on the screen.Important: You cannot simply copy files from the CD to your hard diskand run PC Programmer . You must use the Setup program,which decompresses and installs the files in the appropriatedirectories. PAGE 16
4. INSTRUCTIONS4.1 Connection4.2 Start up PC Programmer4.3 Edit Configuration4.3.1 Open/Recall/Upload Configuration file4.3.2 Edit Channel data4.3.3 Set Option item4.3.4 (Block)Cut/Copy/Delete/Paste4.3.5 Auto-Frequency edit4.3.6 Save a Configuration to disk4.3.7 Download Configuration to device4.3.8 Print a Configuration4.4 Exit PC Programmer4.1 Connection1.Connect one side of Interface Adapter to the computer's serial port.Never care the port number, the PC Programmer will locate itautomatically.2.Connect the other side of Interface Adapter to the Device's 9-pinmale RS-232 port.3.Connect power supply to device and LED will be light. The device will intoPC_programming mode automatically, please see the picture of below.PAGE 17
4.2 Start up PC Programmer1.Select 'Start', choose 'Programs', click on the '*** Serial PCProgrammer' program.2.When HD Serial PC Programmer is started, a main form will be shownafter a greeting form.3.There has a menu bar at the top of the main form, and a message boxat the bottom.NOTE:The program is menu driven for all pertinent commands. All thecommands can be accessed by either key board or the left mousebutton.Access keys mainly used are:'Tab' or 'Arrow' to move focus(or cursor)'Enter' to active a focused command4.3 Edit Configuration4.3.1 Open/Upload Configuration fileTo edit the configuration, please either1)Recall an Existing Configuration by click on the 'Open' item inthe File Menu, select the configuration file by click on or inputits name then press 'Enter' key.OR 2)Upload configuration data from a device by click on 'Upload' itemin 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 dataand Channel data.OR 3)Open an existing Configuration by click on the 'OPEN' item in theFile Menu. A pop up window will be shown, select a file by arrowkey or mouse then click 'OK'.4.3.2 Edit Channel data1)Set focus to the Channel data field by move the mouse pointer.2)Select a particular channel number to be edited by either thearrow key or click on it.3)Pop up input window by either press 'Enter' key or double clickon the selected channel number.4)Use computer's cursor keys, Tab key, Enter key, arrow key ormouse 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 item1)To Edit Channel Option, Select a particular channel number inthe Option View Window by either the arrow key or click on it,then Pop up the input window for Channel Option, 'Enter' key ordouble 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 ormouse 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/PasteTo select a block of channel data as source by either1)Select start channel by arrow key, then while press 'Shift' keyselect end channel number by arrow key.2)Click on start channel, then while press 'Shift' key click onend channel number3)Press the left mouse button on start channel then move the mouseuntil reach the end channel number, release left mouse button.A)To Cut selected (block) Channel(s) either press 'Ctrl'+'X'orclick 'CUT' item in Edit menu.B)To Copy selected (block) Channel(s) either press 'Ctrl'+'C'orclick '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 , theneither press 'Ctrl'+'V' or click on 'PASTE' item in Edit menu.NOTE: Paste operation allows you to export data to any Configurationwindow opened.4.3.5 Auto-Frequency editThis feature provide you with a quick Frequency set function.To use this command after either1)Click 'EDIT' Menu2)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 mouseto 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 disk1)Different configuration can be saved to disk.2)Click on 'SAVE' item in 'FILE' Menu will overwrite an existingconfiguration file on your disk by current configuration.3)Select 'SAVE AS' from 'FILE' Menu will save the currentconfiguration by a name as you prefer.4.3.7 Download to deviceTo Download current Configuration to device, select 'DOWNLOAD' fromsub menu under 'DEVICE' menu.4.3.8 Print a ConfigurationClick on 'PRINT' item in 'FILE' Menu will send current Configurationto printer.4.4 Exit PC ProgrammerTo Exit PC Programmer,click on 'EXIT' item in 'FILE' Menu.5. UnInstall PC ProgrammerTo uninstall PC Programmer from your hard disk, select 'Start', choose 'Settings', click on the 'Control Panel', then find 'Add/RemovePrograms' icon from the pop up window then double click on it, then find'*** Serial PC Programmer' from application list and click on it, then clickon 'Add/Remove' button under application list, then follow theinstructions 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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