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PTG-10 Operations Manual 

             

 

 

 

 

Interoperability Now! 

List of Figures 

 

F

IGURE 

2-1

 

–

 

O

UTLINE 

D

IMENSIONS

 ........................................................................................................................ 2-5

 

F

IGURE 

2-2

 

–

 

L

OCATIONS OF 

I

NDICATORS AND 

A

DJUSTMENTS

 ................................................................................ 2-6

 

F

IGURE 

5-1

 

–

 

C

IRCUIT 

D

IAGRAM 

1........................................................................................................................... 5-2

 

F

IGURE 

5-2

 

–

 

C

IRCUIT 

D

IAGRAM 

2........................................................................................................................... 5-3

 

F

IGURE 

5-3

 

–

 

W

IRING 

D

IAGRAM 

1 ........................................................................................................................... 5-4

 

F

IGURE 

5-4

 

–

 

B

LOCK 

D

IAGRAM 

1 ............................................................................................................................ 5-5

 

 

List of Tables 

 

T

ABLE 

1-1

 

SPECIFICATIONS ......................................................................................................................... 1-3

 

T

ABLE 

1-2

 

EQUIPMENT

 

AND

 

ACCESSORIES

 

SUPPLIED .......................................................................... 1-3

 

T

ABLE 

2-1

 

JP1-I

NPUT

/O

UTPUT 

C

ONNECTOR

 ..................................................................................................... 2-4 

 
 
 
 
 
 
 
 
 

Содержание PTG-10

Страница 1: ... PTG 10 Pilot Tone Generator Designed and Manufactured by JPS Interoperability Solutions 5800 Departure Drive Raleigh NC 27616 919 790 1011 Email sales jpsinterop com support jpsinterop com JPS P N 5970 900200 Revision 4 0 May 19 2016 ...

Страница 2: ...ment and specifications without prior notice PROPRIETARY STATEMENT The information contained in this manual is the property of JPS Interoperability Solutions and is intended for the purchaser s use only It may not be reproduced without the expressed written consent of JPS Interoperability Solutions 2016 JPS Interoperability Solutions Inc JPS Interoperability Solutions Inc 5800 Departure Drive Rale...

Страница 3: ...ION CONSIDERATIONS 2 2 2 6 POWER REQUIREMENTS 2 2 2 7 CONFIGURING THE PTG 10 2 3 2 7 1 Jumper Settings 2 3 2 7 2 Potentiometer Adjustments 2 3 2 8 INTERCONNECT INFORMATION 2 4 2 8 1 Input and Output Connections Plus Power and Ground 2 4 2 9 SETTING LEVELS 2 4 3 OPERATION 3 1 3 1 GENERAL 3 1 3 2 OPERATIONAL INDICATORS 3 1 3 2 1 Power Indicator 3 1 3 2 2 Tone Indicator 3 1 3 3 OPERATION 3 1 4 THEORY...

Страница 4: ... LOCATIONS OF INDICATORS AND ADJUSTMENTS 2 6 FIGURE 5 1 CIRCUIT DIAGRAM 1 5 2 FIGURE 5 2 CIRCUIT DIAGRAM 2 5 3 FIGURE 5 3 WIRING DIAGRAM 1 5 4 FIGURE 5 4 BLOCK DIAGRAM 1 5 5 List of Tables TABLE 1 1 SPECIFICATIONS 1 3 TABLE 1 2 EQUIPMENT AND ACCESSORIES SUPPLIED 1 3 TABLE 2 1 JP1 INPUT OUTPUT CONNECTOR 2 4 ...

Страница 5: ...d the COR a DC logic signal exits the receiver on another wire making it impossible to carry both the audio and the COR on the same audio pair The PTG 10 converts the COR signal to a tone which is mixed with the audio from the receiver removing the need for a COR line The PTG 10 works by injecting a pilot tone on the audio line whenever the associated receiver is squelched and removes the tone whe...

Страница 6: ... top and bottom views The rack mount tabs enable the unit to be bolted to one side either side of unit of a standard 19 rack possibly on the rear of the rack behind other equipment Another option is bolting three of the units together side by side this will span the standard 19 rack enabling mounting to the rack at both ends The unit consists of a C shaped top cover that is attached by two screws ...

Страница 7: ...e referenced to 0 dBm output Receiver Audio Input Range 20 to 4 dBm variable Pilot Tone Output Level 20 to 9 dBm variable General Indicators LED Indicators Power On Tone Present Front Panel Controls Power On Off Switch Size 6 84x2 42x1 19 Weight 0 5 lbs Environmental Operating Temperature 20 degrees C to 55 degrees C Storage Temperature 40 degrees C to 85 degrees C Humidity Up to 95 at 55 degrees ...

Страница 8: ...PTG 10 Operations Manual 1 4 Interoperability Now Blank Page ...

Страница 9: ... Equipment Model and Serial Numbers 3 Shipping Agency 4 Date s of Shipment The JPS Customer Service Department can be reached by phone at 919 790 1011 by fax at 919 865 1400 Upon receipt of this information JPS will arrange for repair or replacement of the equipment 2 3 Reshipment of Equipment If it is necessary to return the equipment to the manufacturer a Returned Material Authorization RMA numb...

Страница 10: ...lation Considerations Careful attention to the following installation suggestions should result in the best unit system performance Figure 2 1 provides overall unit dimensions The PTG 10 must be installed in a structure that provides both protection from the weather and assurance of ambient temperatures between 10 and 55 degrees C Since the unit is neither splash proof nor corrosion resistant it m...

Страница 11: ...ll audio The SNV 12 will completely notch out the pilot tone so that the tone will never be heard at the console or re transmitted Also the high relative pilot tone level ensures that the voter will easily detect it even when there is a large amount of high frequency roll off in the line from the receiver to the voter When adjusting the overall receiver audio level make sure that one of the COR in...

Страница 12: ...nd pilot tone audio on the PTG 10 Please refer to Figure 5 2 1 Connect the receiver audio to the PTG 10 as shown Either COR or COR may be used The COR input produces a tone when a high signal is present COR produces a tone when a low input signal is present 2 Place a 1 kHz reference test tone 3 kHz deviation wideband 1 5 kHz narrowband into the receiver antenna input 3 Adjust R8 for the desired au...

Страница 13: ...PTG 10 Operations Manual Interoperability Now Figure 2 1 Outline Dimensions A A B A B A 2 50 1 25 0 63 5 24 6 84 NOTES A 19 RACK MOUNT SLOTS 45 X 25 DIA B OPTIONAL MOUNTING HOLES 166 DIA 1 19 ...

Страница 14: ...PTG 10 Operations Manual 2 6 Interoperability Now Figure 2 2 Locations of Indicators and Adjustments ...

Страница 15: ...ated whenever the unit s main power is on and the power supply circuitry is functioning correctly 3 2 2 Tone Indicator This amber LED situated next to the Power Indicator LED is illuminated whenever the unit is receiving an active COR signal high signal for COR input low signal for COR input and as a result is outputting a pilot tone 3 3 Operation Once this unit is connected to the system and the ...

Страница 16: ...PTG 10 Operations Manual 3 2 Interoperability Now Blank Page ...

Страница 17: ...equency The output of the filter circuit is sent to the tone level POT R4 The tone level is adjustable from 20 dBm to 9 dBm via R4 this level can be measured at test point TP4 The tone is now mixed with the receiver audio in an op amp mixing circuit U2A where it is routed to the output stage consisting of an inverting amplifier with a level control in the feedback loop The output of the mixer circ...

Страница 18: ...PTG 10 Operations Manual 4 2 Interoperability Now Blank Page ...

Страница 19: ...at are standard in the industry Carefully examine the equipment to determine the most correct and least time consuming method required to make the repair 5 3 1 General Precautions and Notes 1 Disconnect power from the unit before attempting any repair or replacement of components 2 Replace defective connectors only with identical items 3 Carefully observe lead dress and component orientation when ...

Страница 20: ... 5 Volt Regulator DAC Mega 8L Micro Controller 1 2 JP1 3 4 5 6 7 8 COR ISP HEADERS JP4 JP5 RS 232 DB 9 P1 Overall Level Adjust 4 to 20dB Gain Mixer Amp Tone Level Adjust 25 to 9dB Gain 12VDC 5VDC 10VDC COR Vin Vin Balanced Output B Balanced Output A Unbalanced Input VCC AMBER TONE PRESENT SW 1 TONE SWITCH ...

Страница 21: ...ions Manual Interoperability Now Figure 5 2 Circuit Diagram 2 RF Test Tone Generator Receiver ANT RX Audio COR COR 8 6 5 1 or 7 2 3 4 PTG 10 AC Volt Meter To Voter Ground DC Input Unbal Audio Out B Unbal Audio Out A ...

Страница 22: ...ut Unbalanced Input Balanced Output A Balanced Output B GND Balanced Outputs Wired to Voter Input COR Input Wired to Receiver s COR or COS Line high signal creates tone COR Input Wired to Receiver s COR or COS Line low signal creates tone Unbalanced Input Wired to Radio Receiver Audio Output Figure 5 3 Wiring Diagram 1 ...

Страница 23: ...tions Manual Interoperability Now Figure 5 4 Block Diagram 1 Voter Distant Receiver Distant Receiver PTG 10 PTG 10 Leased Line or Two Conductor Audio Line COR COR GND SIGNAL GND SIGNAL SITE 2 SITE 1 MICROWAVE LINK ...

Страница 24: ...PTG 10 Operations Manual 5 6 Interoperability Now Blank Page ...

Страница 25: ...Installation Considerations 2 10 Installation Overview 2 10 Interconnect Information 2 11 J Jumper Settings 2 10 L Limitations 1 7 M Maintenance and Repair 5 1 Mechanical Assembly 1 6 O Operation 3 15 Operational Indicators 3 15 P Potentiometer Adjustments 2 11 Power Indicator 3 15 Power Requirements 2 10 Power Supply 1 6 4 17 Preventive Maintenance 5 1 R Repair or Replacement 5 1 Reshipment of Eq...

Страница 26: ...PTG 10 Operations Manual 6 2 Interoperability Now Blank Page ...

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