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DB

ELETTRONICA TELECOMUNICAZIONI S.p.A.

PM 1000 – 1 kW FM Broadcasting Transmitter - U

SER

’

S

M

ANUAL

44 /101

5.5

POWER SUPPLY PART LIST

ITEM QUANTITY

REFERENCE

PART

1 1

CN1

MSQ02001

MSQ02001

2 2

CN3,CN2

MSQ03001

MSQ03001

3 2

C1,C11

3.3nF

CP_A

4 1

C2

1µF

50V

CE_A

5 4

C3,C15,C16,C17

100µF

25V

CE_E

6

2

C12,C4

470µF 63V ROE

CE_D

7 2

C14,C5

220nF

CP_B

8

1

C6 330µF 35V ROE

CE_B

9 1

C7

220nF

CP_B

10 1 C8

220pF

CC_A

11 1 C9

22nF

CP_A

12 1 C10

220nF

CP_A

13 1 C13

330µF

35V

CE_B

14 4 C18,C20,C21,C23

100nF

CC_B

15 2 C19,C22

10µF

35V

CE_A

16 4 D1,D3,D4,D5

SB360

D2

17 2 D7,D2

LED

VERDE

LED_3MM

18 1 D6

1N4007

1N4007

19 1 D8

1N5819

1N5819

20 1 L1

270µH

IND_TOR

21 2 L2,L4

150µH

IND_TOR_P

22 1 L3

150µH

IND_TOR

23 1 R1

20K

R1/4W

24 1 R2

10K

R1/4W

25 2 R3,R8

2K2

R1/4W

26 1 R4

9K1

1%

R1/4W

27 2 R5,R10

1K

TRIM_PTH_V

28 1 R7

3K3

R1/4W

29 1 R9

8K2

R1/4W

30 1 R11

1K

R1/4W

31 1 U1

L4971

DIP8

32 1 U2

LM2591

TO-220-5PIN

33 1 U3

7805

78XXTO220

34 1 U4

7905

79XXTO220

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Содержание PM 1000

Страница 1: ...ting Transmitter USER S MANUAL 1 101 PM 1000 1 kW FM Broadcasting Transmitter User s Manual Release 1 0 1 DB ELETTRONICA TELECOMUNICAZIONI S p A Riviera Maestri del Lavoro 20 1 35127 Z I SUD PADOVA IT...

Страница 2: ...oltages and currents dangerous to life may be exposed WARNING Contact with 110 240 Volts of alternating current and associated direct current and voltages can be fatal DANGEROUS RISK OF ELECTRICAL SHO...

Страница 3: ...2 POWER SUPPLY BOARD 04011 001 PARTS LIST 36 5 3 RS 75 24 SWITCHING POWER SUPPLY 39 5 4 0601 008 POWER SUPPLY BOARD 42 5 5 POWER SUPPLY PART LIST 44 6 MODULATOR STAGE 45 6 1 GENERAL DESCRIPTION 45 6...

Страница 4: ...iver for high power amplifiers On the PM1000 the use of MOSFET allows Higher efficiency 85 High gain high transconductance and low internal reactive capacitance High thermal stability negative coeffic...

Страница 5: ...nitored by means of front panel leds The front panel led bar enable the full easy and fast verification of the main parameters and condition of operation The output power the reflected power the volta...

Страница 6: ......

Страница 7: ...tween modules 8 RF monitor BNC connector 14 Forward power measure indicator 20 Measure selector 3 Power limiter indicator 9 Output power trimmer adj 15 Reflected power measure indicator 21 Measure ins...

Страница 8: ...ains power supply connector 8 SCA2 level adj 14 MPX input BNC connector 20 Interlock BNC connector 3 Mains On Off switch 9 Left channel or mono input level adj 15 SCA1 level adj 4 Remote control DB25...

Страница 9: ...dcasting Transmitter USER S MANUAL 9 101 Fig 1 3 PM1000 TRANSMITTER TOP VIEW 1 Blower 6 Remote control board 2 Output filter 7 Protection board controls 3 Output coupler 8 Protection board panel 4 AMP...

Страница 10: ...ting Transmitter USER S MANUAL 10 101 Fig 1 4 PM1000 TRANSMITTER BOTTOM VIEW 1 Sintel 96 modulator board 5 Power supply board 0601 008 2 Coder stereo board 6 Measure boards 3 Contraves board C option...

Страница 11: ...C 250 Hz Aging drift 300 Hz year MODULATION Mono operation Input level 6 to 10 dBm Input connector XLR balanced Input impedance 600 Bandwidth 0 25 dB 20 Hz to 15 kHz Attenuation of frequencies 19 kHz...

Страница 12: ...provides proportional feedback protection without on air interruptions for VSWR air over temperature insufficient cooling fault of RF stages AC POWER REQUIREMENTS Operating voltage 115 230 VAC 10 50...

Страница 13: ...cord included 5 Switching ON the transmitter on the front panel Fig 1 1 you will see the MAINS led ON 6 Control that the LOCK led Fig 1 1 on the front panel lights up a few seconds after the power is...

Страница 14: ...hes is indicated on the next page To find the correct dip switches configuration corresponding to the needed FM channel please refer to the following example with 98 MHz frequency 4 Put every dip swit...

Страница 15: ...ansmitter USER S MANUAL 15 101 9 Select 0 72 0 64 0 08 MHz there is a weight equal to 0 08 MHz so put in OFF position the corresponding switch to complete the setting The final configuration is 10 Adj...

Страница 16: ...ner stereo generator the input female XLR connector have the same input levels than the stereo amplifier For MPX input signal PM1000 without inner stereo generator the BNC input connector labelled MPX...

Страница 17: ...ot need a RESET because it restores the normal working conditions automatically when the temperature goes back to normal values VSWR led It shows that the VSWR protection is active This intelligent pr...

Страница 18: ...ed carrier f s 200KHz L R measure displays the input audio level the meter bar is split in two parts one for each audio channel LOCK led shows the correct lock of the frequency synthesis circuit PLL o...

Страница 19: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 19 101 Fig 3 1 PM1000 GENERAL BLOCK DIAGRAM...

Страница 20: ...ltering and for forward and reflected output power monitoring B Protection and control board DB 9601 002 for monitoring and controlling all principal transmitter parameters C PM 1000 Power Supply Stag...

Страница 21: ...At the output of the low pass filter there is a directional coupler for forward and reflected power monitoring 4 2 30 W PREAMPLIFIER DRIVER STAGE The amplifier stage is realized by the new 30W MOSFET...

Страница 22: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 22 101 Fig 4 1 AMP30 PRE AMPLIFIER ELECTRICAL SCHEMATIC...

Страница 23: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 23 101 Fig 4 2 AMP30 PRE AMPLIFIER COMPONENT LAYOUT DB 0110_010A...

Страница 24: ...00uF 35V p 3 5mm 8mm 18 1 C55 82pF TEKELEC 1210 19 1 C57 3p3F TEKELEC 1210 20 1 DZ1 5V1 ZENER SOD80 21 2 D2 D1 LL4148 DIODO MMELF 26 6 L1 L2 L5 L9 L11 L12 VK200 TRAD VK200SMD 27 1 L3 15nH SMD 1210 28...

Страница 25: ...MODULE AMPLIFIER The amplifier is realized with MOS transistors Philips BLF278 or equivalent The technical data for class C operation are the following 87 5 108 MHz frequency range 43 Vds Supply volt...

Страница 26: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 26 101 Fig 4 3 AMP300 AMPLIFIER ELECTRICAL SCHEMATIC...

Страница 27: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 27 101 Fig 4 4 AMP300 AMPLIFIER COMPONENT LAYOUT DB 9812_001...

Страница 28: ...1 CS2 DB9812_001 STAMPATO 3 1 C1 150pF CER 4 1 C2 56pF CER 5 2 C3 C8 100nF 200V TEKELEC 6 1 C10 5 6pF HQ TEKELEC 7 3 C5 C6 C7 1nF HQ300V TEKELEC 8 1 C9 1nF MQ TEKELEC 9 1 C4 10nF 200V TEKELEC 10 1 DZ1...

Страница 29: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 29 101 Fig 4 5 INPUT SPLITTERS DB 9701_001 DB 9702_007...

Страница 30: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 30 101 Fig 4 6 OUTPUT COUPLERS DB 9702_008 DB 9701_002A...

Страница 31: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 31 101 Fig 4 7 OUTPUT LOW PASS FILTER DB 9901_001 Fig 4 8 DIRECTIONAL COUPLER DB 9901_003...

Страница 32: ...ble of 12 VDC 6A max and 24 VDC 10A max to power supply the Protection and control boards meter stage Sintel 96 modulator board AMP30 Driver stage and all optional boards present The switching mode po...

Страница 33: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 33 101 Fig 5 1 MAINS SWITCHING BOARD LAYOUT...

Страница 34: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 34 101 Fig 5 2 POWER SUPPLY 04011 001 ELECTRICAL DIAGRAM 1...

Страница 35: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 35 101 Fig 5 3 POWER SUPPLY BOARD 04011 001 ELECTRICAL DIAGRAM 2...

Страница 36: ...K412P5M 13 2 C58 C21 1n CP01N63V005PM 14 2 C22 C77 10u 35V CV10U35V005DM 15 1 C38 10n 1kV CC10N01K010PM 16 2 C79 C39 0 1u 630V CP0U1K6322P5M 17 1 C41 220u 35V KVL2235V008DM 18 1 C50 1 5n CC1N550V005PM...

Страница 37: ...X653 65 4 Q19 Q20 Q22 Q23 ZTX953 TRZTX953 66 2 Q24 Q21 IRFD110 PMIRFD110 67 3 RV1 RV2 RV3 S14K275 VS1427571075J 68 1 RX1 22K RC022KW12J 69 1 R1 365K RM365KW25F 70 1 R2 348K RM348KW25F 71 1 R4 470K 1 R...

Страница 38: ...52 3 3K 1 8 RC03K3W12J 108 2 R156 R157 47 4 RC047R04WK 109 1 R160 680 1 8 RC680RW12J 110 1 R167 330 1 8 RM330RW12F 111 1 R168 820 1 8 112 2 R169 R170 1 8K 1 8 RC01K8W12J 113 1 R199 39 RC039RW25J 114 1...

Страница 39: ...24 CHARACTERISTICS OUTPUT DC voltage 24V Rated current 3 2A Current range 0 3 2A Rated Power 768W Ripple noise max 120mVp p Voltage ajd range 22 27 6V Voltage tolerance 1 0 Line regulation 0 5 Load re...

Страница 40: ...on type Hiccup mode recovers automatically after fault condition is removed ENVIRONNEMENT Working temperature 25 70 C Working humidity 20 90 RH not condensing Storage temperature humidity 40 85 C 10 9...

Страница 41: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 41 101...

Страница 42: ...MANUAL 42 101 5 4 0601 008 POWER SUPPLY BOARD The protection and measure boards are supplied with an independent power supply boards that furnish the 12 Volts and 5 Volts to the two boards It is posit...

Страница 43: ...01_008 Name Date Rev Sheet of Project Name Note Product Code Doc Drawing Approv ed 5V C11 3 3nF CP_A 48V D5 SB360 D2 C14 220nF CP_B 12V 12V 12V C19 10 F 35V CE_A C22 10 F 35V CE_A C10 220nF CP_A C20 1...

Страница 44: ...7 220nF CP_B 10 1 C8 220pF CC_A 11 1 C9 22nF CP_A 12 1 C10 220nF CP_A 13 1 C13 330 F 35V CE_B 14 4 C18 C20 C21 C23 100nF CC_B 15 2 C19 C22 10 F 35V CE_A 16 4 D1 D3 D4 D5 SB360 D2 17 2 D7 D2 LED VERDE...

Страница 45: ...digital PLL circuit with a high stability quartz reference to obtain a very stable synthesised oscillation the frequency setting is customisable using on board dip switches the minimum step size is 10...

Страница 46: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 46 101 6 2 SINTEL 96 MODULATOR BOARD Fig 6 1 MODULATOR BOARD GENERAL ELECTRICAL SCHEMATIC...

Страница 47: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 47 101 Fig 6 2 PLL STAGE ELECTRICAL SCHEMATIC...

Страница 48: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 48 101 Fig 6 3 VCO STAGE ELECTRICAL SCHEMATIC...

Страница 49: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 49 101 Fig 6 4 L F STAGE ELECTRICAL SCHEMATIC...

Страница 50: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 50 101 Fig 6 5 L F 2 STAGE ELECTRICAL SCHEMATIC...

Страница 51: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 51 101 Fig 6 6 FILTER STAGE ELECTRICAL SCHEMATIC...

Страница 52: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 52 101 Fig 6 7 MODULATOR BOARD COMPONENT LAYOUT DB 9604 010...

Страница 53: ...13 1u POLY 11 14 C15 C17 C23 C33 C39 C40 1n CER C41 C42 C43 C44 C45 C46 C47 C48 12 6 C22 C31 C79 C99 C115 10u ELETT 25V C117 13 5 C27 C28 C29 C82 C83 1u ELETT 25V 14 7 C30 C66 C67 C70 C105 10p CER C11...

Страница 54: ...5 48K7 1 RES 1 8W 57 2 R7 R6 27K RES 1 8W 58 1 R8 22K RES 1 8W 59 1 R9 48K7 1 60 3 R10 R24 R73 1M RES 1 8W 61 1 R11 50K Trimmer multigiri 62 5 R12 R34 R38 R42 R108 47K RES 1 8W 63 1 R15 2 2K RES 1 8W...

Страница 55: ...k trim multi 95 1 R89 4k64 RES_1 4W_1 96 1 R90 2k74 RES_1 4W_1 97 2 R93 R98 2K2 RES_1 8W 98 1 R95 4k02 RES_1 4W_1 99 1 R96 1k91 RES_1 4W_1 100 1 R100 2k RV64W 101 1 R101 2k61 RES_1 4W_1 102 1 R102 301...

Страница 56: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 56 101 7 PROTECTION BOARD Fig 7 1 PROTECTION BOARD N 1 GENERAL SCHEMATIC...

Страница 57: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 57 101 Fig 7 2 GATES CONTROL STAGE ELECTRICAL SCHEMATIC...

Страница 58: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 58 101 Fig 7 3 UNBALANCING STAGE ELECTRICAL SCHEMATIC...

Страница 59: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 59 101 Fig 7 4 POWER LIMITING STAGE ELECTRICAL SCHEMATIC...

Страница 60: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 60 101 Fig 7 5 TEMPERATURE PROTECTION STAGE ELECTRICAL SCHEMATIC...

Страница 61: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 61 101 Fig 7 6 PROTECTION BOARD N 1 COMPONENT LAYOUT DB 9702 004...

Страница 62: ...10 C19 C20 C21 C22 C37 C38 100n POLY C39 C40 C68 C69 3 3 C27 C33 C73 1u POLY 4 1 C122 1n POLY 5 14 D5 D6 D7 D8 D9 D10 D11 1N4148 D13 D14 D21 D23 D24 D25 D26 6 2 FIS1 FIS2 FIS 7 1 JP1 JUMPERx2 JUMPERx...

Страница 63: ...RT ________________________________________________________________________ 23 3 R45 R128 R129 1K RES 1 4W 24 1 R53 20K RES 1 4W 1 25 2 R118 R159 2K2 RES 1 4W 26 1 R120 8K66 RES 1 4W 1 27 1 R122 3K3 R...

Страница 64: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 64 101 Fig 7 7 PROTECTION BOARD N 2 GENERAL SCHEMATIC...

Страница 65: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 65 101 Fig 7 8 PROTECTION STATUS STAGE ELECTRICAL SCHEMATIC...

Страница 66: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 66 101 Fig 7 9 POWER SUPPLY STAGE ELECTRICAL SCHEMATIC...

Страница 67: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 67 101 Fig 7 10 MEASURES ADJ STAGE ELECTRICAL SCHEMATIC...

Страница 68: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 68 101 Fig 7 11 LED INDICATIONS STAGE ELECTRICAL SCHEMATIC...

Страница 69: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 69 101 Fig 7 12 PROTECTION BOARD N 2 COMPONENT LAYOUT DB 9703 011...

Страница 70: ...4 FIS1 FIS2 FIS3 FIS4 FIS 13 3 J3 J4 J5 PINSTRIP MX2 PINSTRIP MX2 14 2 L1 L9 100U INDUTT 15 6 L3 L4 L5 L6 L7 L8 150U INDUTT 16 5 Q1 Q4 Q5 Q6 Q7 BC237 17 4 R29 R50 R52 R133 1M RES 1 8W 18 8 R30 R49 R5...

Страница 71: ...kW FM Broadcasting Transmitter USER S MANUAL 71 101 8 METER STAGE 8 1 GENERAL DESCRIPTION The meter stage is built using two boards The ST62T25 microprocessor board DB 9903_040 The display board DB 99...

Страница 72: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 72 101 Fig 8 1 METER BOARD DB 0007_040 ELECTRICAL SCHEMATIC...

Страница 73: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 73 101 Fig 8 2 METER BOARD DB 0007_040 COMPONENT LAYOUT...

Страница 74: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 74 101 Fig 8 3 METER BOARD DB 0007_050 ELECTRICAL SCHEMATIC...

Страница 75: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 75 101 Fig 8 4 METER BOARD DB 0007_050 COMPONENT LAYOUT...

Страница 76: ...1 JP10 STRIP7F 11 1 JP11 STRIP7M 12 1 JP20 STRIP5M 13 1 JP21 STRIP5F 14 1 JP30 STRIP12F 15 1 JP31 STRIP12M 16 3 J1 J2 J3 CNM20V 17 1 J4 CNM14V 18 1 J6 AMP4 19 1 J7 CNM10V 20 3 L1 L2 L3 10uH 21 1 P1 1K...

Страница 77: ..._________________________________________________________ 37 1 R37 22K 1 4W 38 1 SW1 PULSMOZART 39 2 S1 S2 SLITTA C K 40 1 U1 ZOCCOLO 28 LARGO ST6225 41 1 U2 I C ULN2803 or TD72083 42 1 U3 I C 4028 43...

Страница 78: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 78 101 9 IN AUDIO BOARD Fig 9 1 IN AUDIO BOARD ELECTRICAL SCHEMATIC...

Страница 79: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 79 101 Fig 9 2 IN AUDIO BOARD COMPONENT LAYOUT DB 9909_010...

Страница 80: ...________________________________________________________ 1 4 C1 C3 C5 C7 100pF CER 2 3 C2 C4 C6 4n7F POL 3 5 JP1 JP2 JP3 JP4 JP5 STRIP3M 4 1 J1 CNM20V 5 2 J2 J3 CNM14V 6 3 J4 J10 J20 CNM10V 7 8 J5 J6...

Страница 81: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 81 101 9 2 IN AUDIO BOARD JUMPERS SETTING...

Страница 82: ...l capability with remote adjustments and checks for all main parameters power output adjustment on off protections reset forward and reflected power measure frequency deviation measure and alarms stat...

Страница 83: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 83 101 Fig 10 1 EXTERNAL FREQUENCY CONTROL ELECTRICAL SCHEMATIC...

Страница 84: ...LIST ITEM QUANTITY REFERENCE PART ______________________________________________________ 1 1 CN1 CONN 20 2 1 CN2 CONN 10 3 2 C2 C1 10p cer 4 3 C3 C4 C6 10u 5 3 C5 C7 C8 100n pol 6 21 D1 D22 1N4148 7 1...

Страница 85: ...STEREO encoder board To disable preemph you have to remove both jumpers to get a 50 us preemph you have to insert only JP3 if you want a 75 us preemph both JP3 and JP4 must be inserted LEFT CHANNEL PR...

Страница 86: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 86 101 Fig 11 1 STEREO ENCODER GENERAL ELECTRICAL SCHEMATIC...

Страница 87: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 87 101 Fig 11 2 L R PEAK DETECTOR STAGE ELECTRICAL SCHEMATIC...

Страница 88: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 88 101 Fig 11 3 INPUT STAGE ELECTRICAL SCHEMATIC...

Страница 89: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 89 101 Fig 11 4 RIGTH FILTER STAGE ELECTRICAL SCHEMATIC U...

Страница 90: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 90 101 Fig 11 5 LEFT FILTER STAGE ELECTRICAL SCHEMATIC...

Страница 91: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 91 101 Fig 11 6 OSCILLATOR STAGE ELECTRICAL SCHEMATIC...

Страница 92: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 92 101 Fig 11 7 19 KHz STAGE ELECTRICAL SCHEMATIC...

Страница 93: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 93 101 Fig 11 8 38 KHz STAGE ELECTRICAL SCHEMATIC...

Страница 94: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 94 101 Fig 11 9 OUTPUT STAGE ELECTRICAL SCHEMATIC...

Страница 95: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 95 101 Fig 11 10 STEREO ENCODER COMPONENT LAYOUT...

Страница 96: ...cer np0 10 1 C39 5p6 cer np0 11 1 C40 27p cer np0 12 1 C41 47p cer np0 13 17 C42 C107 C108 C109 C110 3n3 polistirene C111 C112 C113 C114 C117 C118 C119 C120 C121 C122 C123 C126 14 2 C43 C61 82p cer n...

Страница 97: ...R75 9k53 1 4W 1 53 1 R12 8k66 1 4W 1 54 7 R13 R80 R82 R83 R102 2k trim multi R104 R106 55 1 R14 511R 1 4W 1 56 1 R15 5OOR trim multi 57 1 R16 487R 1 4W 1 58 4 R17 R30 R55 R76 4k7 1 8W 59 1 R18 10k 1 4...

Страница 98: ...1 4 R84 R85 R107 R108 2k2 1 4W 92 4 R86 R91 R99 R113 301k 1 4W 1 93 2 R87 R109 3k57 1 4W 1 94 2 R88 R110 4k64 1 4W 1 95 2 R89 R111 4k02 1 4W 1 96 2 R90 R112 2k61 1 4W 1 97 2 R92 R114 1k91 1 4W 1 98 2...

Страница 99: ...ANUAL 99 101 12 APPENDIX 12 1 APPENDIX A XLR AUDIO CONNECTORS PINOUTS Connection procedure to connect the audio signal cables to the XLR female connectors for a balanced or unbalanced signal XLR FEMAL...

Страница 100: ...ldering since an excessive quantity of tin can cause a short circuit between different board layers Reconnect also the 2 GND interconnections indicated and check the right soldering of the input trans...

Страница 101: ...DBELETTRONICA TELECOMUNICAZIONI S p A PM 1000 1 kW FM Broadcasting Transmitter USER S MANUAL 101 101 Fig 12 1 MOSFET REPLACEMENT ON THE AMP300 BOARD...

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