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2

SPECIFICATIONS

2.1

GENERAL

DTXM-460-0BN6I-M-FIPS

FCC ID:

AIERIT51-46006

IC ID:

1084A-RIT5146006

FCC Rule Parts

90

Industry Canada Rule Parts

RSS-119

Frequency Range

450-470 MHz

Number of Channels

4

Transmit/Receive Spacing

Up to the span of the sub-band

Mode of Operation

Simplex or Half Duplex

Frequency Control

PLL Synthesizer

Channel Increment (Synthesizer step size)

2.5 kHz/3.125 kHz/6.25 kHz

Emissions Bandwidth

Narrowband

10 kHz

Frequency Stability

-30



C to +50



C

+/-1.0 ppm

-40



C to +60



C

+/-1.5 ppm

Supply Voltage

3 and 6 watt versions

w/internal regulator

11 to 16 VDC

RF Input/Output Connector

BNC standard

Power/Data Interface

15 pin subminiature D type

Operating Temperature

-30 to +60



C

Maximum Dimensions (L x W x H)

3.6” x 2.3” x 1.0” including connectors

Weight

6 oz.

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Содержание DTXM-460-0BN6I-M-FIPS

Страница 1: ...RITRON INC 10 2021 RITRON MODEL DTXM 460 0BN6I M FIPS PROGRAMMABLE FM TRANSCEIVER MODULE USER MANUAL ...

Страница 2: ...1 CHANNEL SELECTION 5 2 POWER SUPPLY VOLTAGE 5 3 CURRENT DRAIN vs SUPPLY VOLTAGE 5 4 DUTY CYCLE KEY DOWN LIMITATIONS 5 5 OPERATING MODES 6 PROGRAMMING 6 1 PC PROGRAMMING KIT 6 2 LOADING THE PROGRAMMING SOFTWARE 6 3 COMPUTER SOFTWARE COPYRIGHTS 6 4 USING THE PROGRAMMING SOFTWARE 6 5 PROGRAMMER MENUS II MAINTENANCE 7 IMPORTANT MAINTENANCE INFORMATION 8 HARDWARE OPTIONS 8 1 CONTROLLER LOADER BOARD OP...

Страница 3: ...ection to an antenna and a DB 15 sub miniature connector for power and control input output In addition the RF board is available as a stand alone unit for system integrators 1 2 MODEL IDENTIFICATION The DTXM has a part number in the form of DTXM A60 BCDEF Where A is the major frequency band designator 1 VHF 136 174 MHz 2 217 245 MHz 3 340 400 MHz 4 UHF 400 520 MHz B is the sub band designator G 3...

Страница 4: ... bands and sub bands for transmission of either voice or data signals when aligned according to the alignment procedure for the proper bandwidth and when operated as a complete unit in the metal case Operation of the RF board as a stand alone unit or in combination with any other equipment in any mode outside the alignment procedure or with the clipper filter electronically disabled will require t...

Страница 5: ...used as a consequence of employment the FCC requires users to be fully aware of and able to control their exposure to meet occupational requirements Exposure awareness can be facilitated by the use of a label directing users to specific user awareness information The DTXM 2 way radio has an RF exposure product label Also this DTXM manual includes information and operating instructions required to ...

Страница 6: ...a 6 watts 8 inches 20 cm Antennas Install antennas taking into account the recommended minimum lateral distances listed above These antenna installation guidelines are limited to antennas with appropriate ground planes The antenna installation should additionally be in accordance with a The requirements of the antenna manufacturer supplier b Instructions in this manual including minimum antenna ca...

Страница 7: ... les tissus et le matériel génétique Des experts en science ingénierie médecine santé et industrie travaillent avec des organisations pour développer des normes d exposition à l énergie RF Ces normes fournissent des niveaux recommandés d exposition aux RF pour les travailleurs et le grand public Ces niveaux d exposition RF recommandés incluent des marges de protection substantielles Toutes les rad...

Страница 8: ...ectrices Les instructions de sensibilisation de l utilisateur doivent accompagner l appareil lors du transfert à d autres utilisateurs N utilisez pas cet appareil si les exigences opérationnelles décrites ici ne sont pas satisfaites Instructions Ne transmettez pas plus que le facteur de service nominal de 50 du temps Pour transmettre parler ou envoyer des données confirmez la broche d entrée PTT P...

Страница 9: ...ent une antenne quart d onde UHF ou une antenne équivalente ou d autres antennes comme décrit ci dessus Les antennes modifications ou accessoires non autorisés peuvent endommager la radio et enfreindre les réglementations FCC Accessoires approuvés Cette radio a été testée et répond aux directives d exposition RF de la FCC lorsqu elle est utilisée avec les accessoires Ritron fournis ou désignés pou...

Страница 10: ...r Half Duplex Frequency Control PLL Synthesizer Channel Increment Synthesizer step size 2 5 kHz 3 125 kHz 6 25 kHz Emissions Bandwidth Narrowband 10 kHz Frequency Stability 30 C to 50 C 1 0 ppm 40 C to 60 C 1 5 ppm Supply Voltage 3 and 6 watt versions w internal regulator 11 to 16 VDC RF Input Output Connector BNC standard Power Data Interface 15 pin subminiature D type Operating Temperature 30 to...

Страница 11: ...equency Response 1 3 dB ref 1 kHz Narrowband versions w pre emphasis 400 Hz to 2500 Hz w o pre emphasis 50 Hz to 2700 Hz Transmitter Attack Time 10 ms max Spurious and Harmonics 25 dBm max FM Hum and Noise Narrowband 12 5 15 kHz operation 45 dB min Group Delay Variation Within Frequency Response 5 us max Current Drain Depends upon supply voltage and regulator options see chart elsewhere in manual ...

Страница 12: ...Narrowband 12 5 15 kHz operation 45 dB min Conducted Spurious 57 dBm max Receive Attack Time transmit to receive 10 ms max Carrier Detect Attack Time 5 ms max Audio Distortion 5 max Audio Response 1 3 dB ref 1 kHz Narrowband versions w de emphasis 400 Hz to 2500 Hz w o de emphasis 100 Hz to 3500 Hz Receive Current Drain Depends upon supply voltage options see chart elsewhere in manual AUX OUT Adju...

Страница 13: ...he gain through this input to the modulator is programmable as is the use of pre emphasis This signal passes through the clipper and clipper filter 2 AUDIO OUT This is the broadband output of the receiver The gain from the receiver to the output is programmable as is the use of de emphasis The choice of AC or DC coupling from the RF board discriminator is also programmable The coupling at the outp...

Страница 14: ...el and is ready to accept an input signal to be transmitted This output would normally become asserted in response to a PTT RTS see pin 14 description below activation The polarity of this output can be programmed The output is active low 5 volt logic with an internal 10 k ohm pull up to 5 volts It can source up to 10 mA when low 11 Firmware Disabled CS1 Most significant bit of the channel select ...

Страница 15: ...ming Kit for DTXM Plus radios via compatible computer is model DTXM PCPK 1 M FIPS It includes 1 Programming Software DTXM PCPS 1 M FIPS 2 DB 9 to DB 15 connector cable with power cable 3 9 Pin to USB Adapter 2147C002 Factory programming of channels and features is also optional Contact the factory for details ...

Страница 16: ...shielded switching power supply 5 3 CURRENT DRAIN VS SUPPLY VOLTAGE The current drain of the module is a function of the supply voltage the RF output in transmit and the regulator option The internal 7 5 volt regulator is a switching type such that the current drain actually decreases with an increase in supply voltage Typical current drain values are shown in the table below Receive Mode Supply V...

Страница 17: ...ese limits are summarized below for operation in still air Ambient Temperature C Duty Cycle Key Down Time s 3 watts RF output 25 30 45 50 5 10 6 watts RF output 25 20 30 50 3 5 Blowing air across the unit and or adding a heat sink to the rear of the unit where the PA module is located can significantly improve the duty cycle key down times Ritron offers an option where the case screws at the rear ...

Страница 18: ... transmitter is activated by placing the PTT RTS Push To Talk Request To Send input in its asserted state This state is programmable If the unit is to operate in simplex transmitter and receiver on the same frequency one should check for activity on the channel before transmitting This can be done by checking the state of the DCD output In addition the unit can be programmed so that transmit opera...

Страница 19: ... RF emitting sources located very close less than 12 inches to the unit can at times affect its operation It is not recommended that an antenna be connected directly to the module s BNC connector unless the RF output power is set for less than 5 watts or the module is placed within another RF tight enclosure 6 PROGRAMMING To program DTXM Module the RITRON PC Programming Kit DTXM PCPK 1 M FIPS must...

Страница 20: ...Update Radio which will make changes permanent 6 5 PROGRAMMER MENUS The DTXM Programmer has seven menus or pages selectable via tabs at the top of each page which are always visible These pages are 1 Frequency Used to program the channel frequencies and operating mode of the radio 2 General Used to set programmable features functions of the radio 3 NXDN Used to program the NXDN Digital features fu...

Страница 21: ...onds of less See section 5 4 for limits on maximum key down times The factory default is 60 seconds TX High Power Sets the maximum limit of the High Power setting 1 6 Watts Channel TX High Power TX BCL Sets the High Power value on a per channel basis and allows the user to Enable Disable the TX BCL Busy Channel Lockout feature Busy Channel Lockout Prevents the transmitter from activating when the ...

Страница 22: ...re is enabled Can be set to No Key or a value from 1 64 6 5 4 ENCRYPTION The Encryption page programs the encrypted 256 bit Key Data for a given Key Number Click on a Key Number in the table and enter the information on the right side of the page Key Number Identifies specific programmed Encrypted Key 1 64 Key Status Indicates if specific Key Number is available for use Set for Active or Inactive ...

Страница 23: ...eceive mode 6 5 6 ALIGNMENT The Alignment page programs the frequency power and modulation adjustments Deviation Balance TX Freq Trim Adjusts the transmitter center frequency error RX Gain Adjusts the Receiver Discriminator output level RX Freq Trim Adjusts the receiver L O center frequency error F LO MHz Fo MHZ 43 65 MHz RX Offset Adjusts the Receiver Discriminator DC voltage level offset Should ...

Страница 24: ... Level Select the desired test power level Carrier Detect Calibration The radio has been factory aligned for proper squelch operation and should not need any re alignment If an adjustment is required carefully follow the instructions as outlined in the center of the page Receive Frequency Test Frequency for the calibration Carrier Detect High 80dBm High signal level test point Carrier Detect Low 1...

Страница 25: ...unded bench surface The technician that will work on the radio CMOS circuit must be grounded before handling the radio Normally the technician wears a conductive wrist strap in series with a 100 k resistor to ground 3 Clothing Do not wear nylon clothing while handling CMOS circuits 4 Power Off Remove power before connecting removing or soldering on a PC board that contains CMOS devices 5 Power Vol...

Страница 26: ...ded 8 1 CONTROL LOADER BOARD OPTIONS 8 1 1 AUX OUT COUPLING The AUX OUT output is normally AC coupled through C399 If DC coupling is desired an 0805 size SMD zero ohm jumper resistor RITRON P N 47100000 must be soldered in the location of MR384 In lieu of a zero ohm jumper a small piece of wire may be carefully soldered between the pads The AUX OUT DC level then becomes nominally 1 67 volts 8 1 2 ...

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