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FM TRANSMITTER

Содержание TXF-500

Страница 2: ...every attempt to educate readers of all technical levels If there is something that is not clear or you require further information please do not hesitate to contact us and we ll be glad to help out...

Страница 3: ...d be observed by personnel using this or other electronic equipment Documentation Read retain and follow instructions before operating the equipment There is a lot of useful information in the manual...

Страница 4: ...ple degrees of burns recognizable as follows a first degree burn reddens the skin a second degree burn blisters the skin a third degree burn chars the flesh and frequently places the victim in a state...

Страница 5: ...cted power and high temperature and other warnings can decrease the reliability of your system and frankly makes our repair department busy and grumpy If you need to transmit to a little larger covera...

Страница 6: ...d by Seller of any of the terms or conditions hereof shall be deemed a continuing waiver or trade custom between parties but shall apply solely to the instance to which the waiver is directed Ordering...

Страница 7: ...n Seller consent All changes must be included in change order reflecting purchase order and submitted to the Seller All other changes will not be accepted acknowledged Changes may affect delivery date...

Страница 8: ...elivery or failure to deliver which is due to any cause beyond Seller s control including without limitation acts of nature unavailability of supplies or sources of energy riots wars fires floods epid...

Страница 9: ...the practices of untrained or unqualified personnel in the handling of this equipment and does not include misuse neglect or accident incorrect wiring and or improper installation unauthorized repair...

Страница 10: ...mplifier systems the pattern of the antenna then dictates the range and coverage area The amplification is accomplished by one or many amplifier pallets internal to the power amplifier system If there...

Страница 11: ...licensed local electrician be consulted for the required electrical service We suggest local electricians because The personnel knows the local codes The personnel can be on site readily You are apt...

Страница 12: ...ll coaxial cables in the system input and output Pay attention to radial ice accumulation when designing the transmission system It is not uncommon for at least an inch of ice to build up on a tower o...

Страница 13: ...be stuffed with steel wool and caulked to prevent entry of wildlife Other features of security for your shelter may include its location with respect to the prevailing wind conditions Locations leewar...

Страница 14: ...ent or warped chassis loose screws or nuts or extraneous packing material in connectors or fan failures Inspect all connectors for bent connector pins If the equipment is damaged a claim should be fil...

Страница 15: ...onnector as SNMP SNMP Simple Network Management Protocol SNMP remote control and monitoring RJ45 same connector as Ethernet S PDIF COAX Digital audio input Sony Phillips Digital Interface coaxial RCA...

Страница 16: ...permanent location near a receptacle supplying the required AC or DC mains voltage 3 Place an appropriate AC or DC power line protector conditioner and or surge suppressor across the supply line This...

Страница 17: ...or MPX Subcarrier signals can be connected to the SCA1 or SCA2 BNC connectors 7 Connect additional control monitoring cables if desired SNMP or Ethernet should be connected to the lower RJ45 on the ba...

Страница 18: ...e power amplifier fans are powered via DC voltage so this is an indication that the power supply is started and running There may be fans installed in the filter or power supply enclosures if applicab...

Страница 19: ...upplied final inspection sheet for factory settings of power supply levels on the display of the power amplifier You should see no more than 3 fluctuations in DC supply voltage and even less with a pr...

Страница 20: ...he receiving antenna or with obstructions in the path between the amplifier antenna and receiver There is also a troubleshooting section located later in this manual At this time Technalogix recommend...

Страница 21: ...er from both the front panel and remotely through the parallel port Ethernet or SNMP access port The control system is comprised of three modules These modules work together to provide all the functio...

Страница 22: ...COMPARATORS SYSTEM MEASUREMENTS RF IN VARIABLE ATTENUATOR RF IN LEVEL MONITORING PHASE ADJUST DC OUT DC IN PANEL SWITCH INTERFACE MEMBRANE SWITCH CAT5 DISPLAY INTERFACE TOUCHSCREEN RF TEST POINT RF T...

Страница 23: ...to monitor the following power amplifier or transmitter parameters from the front panel Forward incident power at the power amplifier or transmitter output Reflected reverse power at the power amplifi...

Страница 24: ...emperature of the amplifier transmitter as well as relay commands from the user to the rest of the system If the DC Distribution Module is installed on higher power systems with multiple pallets then...

Страница 25: ...6 F101 1 FUS 1651 FUSE 0 5A hold resettable polyswitch 24V SMD 1812 27 F102 1 FUS 1953 FUSE 0 75A hold resettable polyswitch 24V SMD 1812 28 L101 1 IND 0221 INDUCTOR 0 01uH 450mA DCR 130m SMD 1210 29...

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Страница 28: ...escribed later in this section Summary Bar The summary bar at the bottom of the screen will stay in place no matter what screen is being viewed to allow for an operating summary at any time as describ...

Страница 29: ...a predetermined level to keep the amplifier transmitter pallets safe Should a fan fail inside the power amplifier transmitter enclosure or air conditioning fails inside the broadcast facility causing...

Страница 30: ...in increments of 1 or 10 Carrier Switch From any screen the FM amplifier or transmitter carrier can be turned on or off to facilitate adjustments settings and testing troubleshooting To toggle carrie...

Страница 31: ...ulator or isolator installed within the enclosure it is important to minimize VSWR with a good quality antenna installed using proper broadcast techniques Ice build up on the antenna and damages to 50...

Страница 32: ...strated on this level bar Typical maximum deviation required by Industry Canada or FCC is 75 kHz to avoid bleeding into adjacent channel bands of 200kHz bandwidths 100 represents a full 75 kHz deviati...

Страница 33: ...enu icons on the Menu Screen allow the user to take additional readings or make settings that are not provided from the Main RF and FM Screens Any changes to settings will be stored in non volatile me...

Страница 34: ...ged from the Settings screen From the RF Levels screen the user can also toggle between AGC and Manual mode A sample RF Levels Screen is displayed below To adjust Forward RF Level Press the up or down...

Страница 35: ...Screen and on the summary bar at the bottom of the touchscreen should not vary more than 2 If multiple amplifier pallets are included in the amplifier chain then the individual currents will all be d...

Страница 36: ...nsmitters include analog and digital audio inputs as standard the user can change audio input sources on the fly and can switch between analog and digital audio sources When digital audio is selected...

Страница 37: ...ck around Pre Emphasis Pre emphasis adds a boost to high frequencies in the FM signal to increase the signal above the noise floor The FM signal then is de emphasized at the radio receiver end Users c...

Страница 38: ...the History Screen is illustrated below in the sample screen Ten of the most recent events are displayed on the History Screen As more events occur the earliest recorded event gets displaced on the sc...

Страница 39: ...ing Audio Levels Screen The Audio Levels Screen allows the user to tweak audio input levels all from the front touch screen as seen from the sample screen below Step sizes will vary from 0 5 dB up to...

Страница 40: ...years down the road The versions can then be correlated to factory documentation In addition current government certification numbers are included for Industry Canada and FCC Please contact Technalog...

Страница 41: ...rovides an easy means for the user to get in touch with Technalogix for anything Whether they have a technical or installation question or simply want to chat about how gosh darn cool our equipment is...

Страница 42: ...r RF power readings When in percentage mode the power amplifier or transmitter is designed for a maximum operating power of 100 with overdrive protection typically at 110 To change the VSWR Shutdown T...

Страница 43: ...esses the audio and then modulates the audio onto an FM carrier in the range of 87 5 to 108 0 MHz This modulated signal is then fed into a small gain stage before passing the signal off to the final g...

Страница 44: ...CTION METER METER DEVIATION RF AMP RF LEVEL CANbus CONTROL INTERFACE RF OUT LEVEL LEVEL FILTER LEVEL FILTER RECEIVER DIG AUDIO ENCODER STEREO LEVEL EMPHASIS PRE BALUN TERM I P FILTER RHT MONO FILTER F...

Страница 45: ...P0JP704 P0JP705 JP8 P0JP801 P0JP802 P0JP803 P0JP804 P0JP805 L1 P0L101 P0L102 L2 P0L201 P0L202 L3 P0L301 P0L302 L4 P0L401 P0L402 L5 P0L501 P0L502 L6 P0L601 P0L602 L7 P0L701 P0L702 L8 P0L801 P0L802 L9...

Страница 46: ...501 P0R20502 R206 P0R20601 P0R20602 R207 P0R20701 P0R20702 R208 P0R20801 P0R20802 R209 P0R20901 P0R20902 R210 P0R21001 P0R21002 R211 P0R21101 P0R21102 R212 P0R21201 P0R21202 R213 P0R21301 P0R21302 R21...

Страница 47: ...rature readings of the heatsink The following is a block diagram of the Temperature Sensor module The temperature sensor IC is U701 which after it has taken a reading relays the digital information to...

Страница 48: ...C703 2 CAP 14902 CAPACITOR 0 01uF 50V SMD 0805 5 C700 C706 2 CAP 17202 CAPACITOR 0 1uF 50V 10 SMD 0805 6 R701 R702 2 RES 3212 RESISTOR 100 ohm 1 SMD 0805 7 L700 1 IND 3176 INDUCTOR 22 uH 5 150MA 1210...

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Страница 51: ...Amplifier Transmitter to your Network PC Connect an Ethernet cable from the RJ45 port labelled ETH SNMP use bottom connector on the back panel of the power amplifier or transmitter to your network s...

Страница 52: ...e accessed until you have established basic communication with the power amplifier or transmitter turned on 2 1 Web Page Password Protection After entering the above internal address into a web browse...

Страница 53: ...s on or off Forward RF in Overdrive 110 Full Scale FS High VSWR Pallet Voltage Supply Good RF In Level Good High Temperature The Performance section provides the user with specific parameters and meas...

Страница 54: ...ng Turn Carrier On Off Turn the Carrier on off AGC Increase the Carrier by removing attenuation steps of 1 or 10 dB VSWR Increase or Decrease the VSWR Trip point by 0 1 between 1 1 1 and factory deter...

Страница 55: ...o on the main web Ethernet page along the top are links to the other user parameter pages Main Returns to Main Index page Network Configuration SNMP Configuration Password Configuration The following...

Страница 56: ...careful changing HTTP ports as it can be difficult to go back to an original port You can force a web browser to use port 81 by address to http adrenaline 81 index htm To use this with an internet ad...

Страница 57: ...tem 7 RF Components 7 RF Components 9 Maintenance 10 Troubleshooting 3 2 SNMP Configuration 3 2 1 SNMP Communities The SNMP Configuration page allows you to set the SNMP communities Set these to limit...

Страница 58: ...ag for high VSWR Overdrive error flag for overdrive Temperature Flag error flag for high temperature Preemphasis 0 25 50 or 75 us Read Write Reset 1 Reset System 0 Normal Carrier On 1 Carrier On 0 Car...

Страница 59: ...Components 7 RF Components 9 Maintenance 10 Troubleshooting 3 2 3 SNMP Traps To enable the SNMP traps within the MIB browser that you choose Set enable traps to 1 or yes depending on MIB browser Set...

Страница 60: ...nsure that your receiver s port is set to 162 The system will generate a general trap on any error flag and send an 8 bit value indicating the type of error as follows Bit 0 LSB Overdrive Bit 1 High V...

Страница 61: ...ration This page allows the setting of the web browser s User or Admin password as illustrated below The User account allows access only to the main page The Admin account allows access to the main an...

Страница 62: ...2 10 Do not use 11 High temperature flag 2 12 High VSWR flag 2 13 Amplifier overdriven flag 2 14 Do not use 15 3 3Vdc for testing only do not load 16 Ground 17 Ground 18 25 Do not use Notes 1 Analog...

Страница 63: ...to transmit time station identification programming information and more To control the RBDS RDS connect to the DB9 on the back of the unit using a RS232 connection A USB to RS232 or Ethernet to RS23...

Страница 64: ...evels are absolute maximum levels Technalogix operates the pallets at reduced levels to improve performance and increase reliability PB1A 50 1000 1042H Typical gain 21 5 dB Pout max NTSC 1 W peak sync...

Страница 65: ...onents 7 RF Components 9 Maintenance 10 Troubleshooting PB25C 86 110 xxx Typical gain 40 dB Pout max 8VSB 25 W rms Frequency 88 108 MHz Pin max 10 dBm ID max 1 6 Adc VD 28 Vdc PB1200C 86 110 574 Typic...

Страница 66: ...e RF signal into and combine the amplified RF signal out of the final amplifier pallets within an amplifier transmitter enclosure The splitter and combiner can be 2 3 or 4 way depending on how many fi...

Страница 67: ...ally the RF output connector on the back panel of the enclosure On higher power systems high power handling connectors are used especially in the overall output combiner On lower power systems the cou...

Страница 68: ...86 110 MHz Input Power max 250 W continuous Insertion Loss max 0 3 dB Insertion Loss typ 0 25 dB Return Loss max 25 dB Return Loss typ 28 dB Rejection at 176 MHz 45 dB 800W LPF no coupler Frequency R...

Страница 69: ...0 MHz Input Power max 1 500 W continuous Order 9th order Chebyshev Insertion Loss max 0 12 dB Insertion Loss typ 0 1 dB Return Loss max 28 dB Return Loss typ 33 dB Rejection at 176 MHz 47 dB Directivi...

Страница 70: ...supply The specific DC system voltage is found in the Final Inspection Report and the model and number of power supplies is documented in the Block Diagram supplied in the Quickstart package AC is fe...

Страница 71: ...hut down o p voltage re power on to recover 70 5 TSW1 detect on heatsink of power transistor Protection type Shut down o p voltage recovers automatically after temperature goes down UL60950 1 approved...

Страница 72: ...VOLTAGE VAC 60Hz 90 180 95 190 100 200 115 230 132 264 90 100 80 70 60 50 40 Block Diagram Control Pin CN3 JST B6B XH or equivalent Pin No Pin No 1 4 2 5 3 6 Assignment Assignment S DC_OK GND DC_OK Si...

Страница 73: ...3 3 5 6V PSU turn off 0 1V Remote Control Between RC and RC SW OFF 0 0 8V SW ON 4 10V Output ON OFF S S S G G G S S S RC RC RC RC RC RC DC OK DC OK DC OK V V LOAD LOAD DC_OK G V V S S RC External Pow...

Страница 74: ...urn the system off and unplug all of the AC inlet cords Remove the top lid by unscrewing the 6 32 machine screws Use extreme caution when working near the AC input terminal The power amplifier transmi...

Страница 75: ...physical inspection of the entire facility Are all necessary connections properly made Do you see any signs of obvious damage within the equipment Is the AC power ON to the site and the equipment Che...

Страница 76: ...n PSU input NO Faulty AC connection entry switch or breaker DC voltage present on PSU output YES Disconnect DC loads tape off so they do not short out to see if DC output loaded down Proper DC voltage...

Страница 77: ...rol PCBs secure Contact Technalogix for further information Power supply display data accurate Remote port working correctly Goto page 2 of 2 YES YES YES DC or RF from dir coupler correct Display pins...

Страница 78: ...ce functioning SNMP interface functioning Communication between PCBs working CAN Contact Technalogix for any issues not listed YES Display Interface orange S W LED flashing NO Is FWD RFL or DC voltage...

Страница 79: ...mponents 8 Power Supply 9 Maintenance 10 Troubleshooting Thank you for choosing Technalogix Ltd If there is anything we can do to help in your success please do not hesitate to contact us We also welc...

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