MACOM PAC-10, Installation And Operation Manual

Page 1: ...IM PAC 10 PAC 12 INSTALLATION AND OPERATION MANU L _...

Page 2: ...space at each end of the link The removable front panel provides ready access to internal components for servicing needs Plug in circuit cards allow lor easy expansion to meet future equire ments No...

Page 3: ...Optional RF Subcarrier Output Modulation Level P P Adjustable P P Impedance PAC 10 MODULATOR Audio Levels Input Level 75 kHz Deviation 70 dB 350 mA 150mA 120 Vac 220Vac less than 1 0 5 dB 1 0 dB 0 5...

Page 4: ...O linearity for minimum distortion The out put from pin 3 of U2 is a squarewave with an approximate amplitude of 0 9 to 1 0V peak to peak The VCO is maintained on the assigned subcarri r fre quency by...

Page 5: ...trol that is normally set for a 8 dBm audio output level into a 600 ohm balanced load jumpers W1 and W2 not installed The Demodulator has an output level adjustment range of a to 18 dBm Jumper plugs W...

Page 6: ...relay driver FET 05 and energizes relays K1 and 1 2 If power is lost or a subcarrier fault occurs 05 is cut oft and the relays are de energized Theoryof t ation producing a summary alarm Two sets of a...

Page 7: ...I I I AUDleD AMPLIFIER I AUDIO PRE EMPH ASIS E3 E1 E2 LJ W1 PRE EMPHASIS DISABLE PLUG SHOWN ENABLED AUDIO PREAMPLIFIER INPUT I t PAD J1 2 SUBCARRIER DEVIATION R5 J1 1 AUDIO INPUT 8dBm 600nBAL 7 024 I...

Page 8: ...2 RF SUBCARRIER t GENERATOR L3 ODULATION L1NEARITY OP TER _ I RF SENSE TOALARM CIRCUIT ASE TE 0 400 L _ _ OR I ALARM ETECTOR AMPLIFIER SUBCXR LEVEL DETECTOR CR3 CR4 ALARM COMPARATOR J1 10 ALARM 0 LOGI...

Page 9: ...i I j EMlnER FOLLO ER QUADRATURE PHASE SHIFT NETWORK FM DEMODULATORr U2 BUFFER FL1 BASEBAND J1 15 INPUT INPUT FILTER C12 DEMODULATOR r L1NEARITY I U4 ACTIVE LPF I I I 4C Q L N 4 I...

Page 10: ...ESHOLD AUDIO DE EMPH 1 ASI8 7 W3 DE EMPHASIS DI8ABLE PLUG 8HOWN ENABLED IOTCH ILTER l I I I C25 R39 I REO DEPTH I TCH ADJ _ J W1 J1 1 BALANCED J1 2 AUDIO OUTPUT OUTPUT IMPEDANCE SELECT W1 W2IN8TALLED...

Page 11: ...C J POWER 12V 12V 12V MODULAR ACTO DC POWER SUPPLY 12 I I I I F1 I I _ _ l I 8 m F i I of f co 0 00 coQ C J C J C J C JO J5 J8 z I J 1 OF 4 J1 J4 2 15 3 13 5 10 1 OF 4 1 OF 4 SUBCXR LED DRIVER AUDIO D...

Page 12: ...Theory of Operation N O 1 OF 4 COM N C RELAY I DRIVER I K1 I CR1 CR4 Q5 I 1 OF 4 4 N O a COM 5 N C Figure 2 3 PAC 10 PAC 12 Chassis Funetional Bloek Diagram 2 9 2 10...

Page 13: ...ulators are identical The slimline PAC l 0 12 chassis is designed for mounting in standard 19 inch wide equipment racks and occupiesa single rack space SIGNAL AND POWER CONNECTIONS All signal and powe...

Page 14: ...ug in terminal strip AUDI04 Audio 4 input output signa J6 Plug in terminal strip AUDI03 Audio 3 input output signa J7 Plug in terminal strip AUDI02 Audio 2 input output signa Ja Plug in terminal strip...

Page 15: ...O ALARM FUNcnON 2 Normally Open 9 Common K1 Form C Contact 3 Normally Closed 4 Normally Open 8 Common Grounded K2 Form C Contact 5 Normally Closed 1 6 Saturated Collector Alarms Optional 7 12 Vdc powe...

Page 16: ...r source 4 Jumper Plugs The small white jumper plugs next to each audio connector are used to enable the associated subcarrier card When plug is engaged pushed in the card is enabled To disable the pl...

Page 17: ...1 PAC 10 Audio Modulator Front View AUDI03 MODULATOR GARD AUDIO 2 MODULATOR GARD R5 SUBGARRIER DEVIATION AUDIO 1 R25 SUBGARRIER LEVEL AUDIO 1 Figure 4 2 PAC 10 Audio Modulator Internal View 3 Channel...

Page 18: ...3 PAC 12 Audio Demodulator Front View AUDIO 1 DEMODULATOR GARD AUDI0 2 DEMODULATOR GARD AUDI03 DEMODULATOR GARD R9 AUDIO OUPUT LEVEL AUDIO 1 Figure 4 4 PAC 12 Audio Demodulator Internal View 3 Channe...

Page 19: ...g the small white jumper plugs on the rear panel next to the audio input connectors enable the Subcarrier Modulator card under test by engaging its jumper push in and disable the remaining cards by di...

Page 20: ...rier Demodulator under test The Subcarrier Modulator should be properly adjusted for 75 kHz peak deviation lor a 1 kHz test tone 5 2 Step 1 Using 75 ohm coaxial cable conneet the BB OUT put ol the PAC...

Page 21: ...Diagram PN 1841856 6 5 Figure 6 3 Receiver Audio Board Component Locations Schematic Diagram PN 1841854 6 7 Figure 6 4 Backplane Board Component Locations PN 842352 6 9 Figure 6 5 Backplane Board Sch...

Page 22: ......

Page 23: ...r alan t I AUDIO 4 Dlagrams Figure 6 1 PAC 10 PAC 12 Audio Subcarrier Final Assembly PN 842350 6 3 6 4...

Page 24: ...21 2480 73 39 77 3 5 8 5 GIG 8 59 21 9904 89 39 3 5 85 GROUP PRE EMPHA 51 5 RIO 1 IT MIV RZro 1 GI GIQ 75 5 7 61 1 90 332 Gil GI9 50 5 4 99K 86 332 IC S 2 201 Y 8 AI ICIO r12 V IM Z WK lol 1 8W n lCI...

Page 25: ...1 0 9 2 1 79 IT I 1 N R31 1 l VI NR i 3 i K 8 88 3 16K 87 17 00 4 0 CI o v J J O 3 J e CIO 5 0 1 U Z C I l S O o P 5 10 c el 1 0 I 1 I c 19 czo Si y V 12 VZ en 0 1 e ZI 01 20 C2 Z K ZO Op cJ1 R 2 4 I...

Page 26: ...5 12 V I l b K I V 1 2 V C34 22PF TOKO IV FL I 1f l 51 _ l 0 01 plo JI I C 7 C 8 N Ic I 8 I I I et e 1 5 I I AUDI O I lOOK Ir Rb Ca d 74 17 R 100 2 S V t UO IO a 2 11 2 I I EO w a E4 NO 14 C N D 4 r t...

Page 27: ...4_ st I VV _ 10 I ALM I t Njc I 2 1 CI O IZV 12 1 RI RI4 10K 7 SK R2 8 1 1 K 10 Plo J I RIf 10K ES 12 I Z V e19 OO LI I 2 V y C7 6 u h 3 I I E 4 IJ 1 21 1 Yo I B U I C2 a iJpt a Figure 6 3 Receiver Au...

Page 28: ...J F...

Page 29: ...ONT VI E W BACK VIEW E ia S p rr Dlagrams Figure 6 4 Backplane Board Component Locations PN 842352 6 9 6 10...

Page 30: ...3 e J t 1 a J A B IZV 88 A2 B wzo c 3 I Z I I r 7 r N C I 8 I I 9 IO I NIC f I I 12 t IZV I 13 _ 1r __ h _ _ _ _ J BIB _ _F J J6 3 I I I Z J5 3 I 2 J7 3 I I 2 AUO 4 AUD Z BIB BIB AUD 3 4 UD I Je 3 I I...

Page 31: ...lOK 6 I ZV eRS R3 CR3 I N 9 1 4 A 16 K qe JII IN914A N39 04 6 Gl3 CR RB VNIOK IN914A lOO K __ IZV cR4 11IJ914A 4 KI Jle Re VN IOK lOOK 3 lev 14 9 J II 7 8 I 1 2V e z I IZo V l t KEY 3 Kl JI2 5 1 1 h r...

Page 32: ...TB 2 GRN YEL F3 TB3 BRN if J 1 cz J I OII f TB1 BLU I o __ u Del POWER MODULE Del CR R I IK C R2 1K R IK...

Page 33: ...LANE POWER ALARM Fe I or 1 7 JI t 4 I ZY 7 t1 37 GND t 3 1 V 1 1 I 4 fr 4 KEY i p R S IK RI fr I_ 6 Rt _ _ _ 17 R 3 6 CHANNEL ALAR M5 j Figure 6 6 Power Supply Component Locations Schematic Diagram PN...

Page 34: ...OL2 0 0 0 0 0 PMl 0 0 0 0 v 0 0 CR4 FI SA cel 0 0 r h Cf C3 T n I OOI 01 1 L __ I PM I r ce I flMU I RoN I IK...

Page 35: ...5Q 0 ruw 0 ru CI l L o 0 CD rrn C 0 LI 1 470 10 _f 470 10 J 1 I I 12 V 1 Cl I T Zozo m 1 1 I Zo KE Y GNO I _4 4 12 V Cl T zec m 2 5V 1 5J J I CR t 1 5 I c 3 I Jf I 11 I 7 I I CRI e Figure 6 7 OC OC Co...

Page 36: ...842350 5 7 6 6 PAC 12 Demodulator Assembly 230 Vac PN 842350 6 7 7 7 PAC 10 Modulator Assembly 12 Vdc In PN 842350 7 7 8 8 PAC 12 Demodulator Assembly 12 Vdc In PN 842350 8 7 9 9 Audio Modulator PWB...

Page 37: ...ackplane PWB Assembly Power Supply Display 115 Vac Input Modulator PWB Assembly Wire Hamess Assembly Standoff Standoff AG Protection Shield Gard Pull Gard Pull Plastic GonnectorD 7 2 842349 1 842348 1...

Page 38: ...ckplane PWB Assembly Power Supply Display 115 Vac Input Demodulator PWB Assembly Wire Harness Assembly Standoff Standoff AC Protection Shield Card Pull Card Pull Plastic ConnectorD 842349 1 842348 1 8...

Page 39: ...Cover Extrusion Side Mount Backplane PWB Assembly DC DC Convertor PWB Assembly Modulator PWB Assembly Wire Harness Assembly Standoff CardPull Card Pull Plastic Connector 0 7 4 842349 1 842348 1 84235...

Page 40: ...Cover Extrusion Side Mount Backplane PWB Assembly DC DC Convertor PWB Assembly Demodulator PWB Assembly Wire Harness Assembly Standoff Card Pull Card Pull Plastic Connector 0 842349 1 842348 1 842356...

Page 41: ...over Extrusion Side Mount Backplane PWB Assembly Power Supply Display PWB Assembly Modulator PWB Assembly Wire Harness Assembly Standoff CardPull Card Pull Plastic ConnectorD 7 6 842349 1 842348 1 842...

Page 42: ...er Extrusion Side Mount Backplane PWB Assembly Power Supply Display PWB Assembly Demodulator PWB Assembly Wire Harness Assembly Standoff Card Pull Card Pull Plastic ConnectorD 842349 1 842348 1 842356...

Page 43: ...over Extrusion Side Mount Backplane PWB Assembly Power Supply Display PWB Assembly Modulator PWB Assembly Wire Harness Assembly Slandoff Card Pull Card Pull Plastic ConnectorD 7 8 842349 1 842348 1 84...

Page 44: ...over Extrusion Side Mount Backplane PWB Assembly Power Supply Display PWB Assembly Demodulator PWB Assembly Wire Harness Assembly Standoff Card Pull Card Pull Plastic ConnectorD 842349 1 842348 1 8423...

Page 45: ...21J03 C23 200pF 189008A 76 CM05ED201J03 C24 10 35V 189719A 9 C30 0 1 63V 189010A 4 Polys C32 560pF 189008A 4 CM05ED561J03 C33 C34 C35 C36 10 35V 189719A 9 DIODES CR1 MV1403 189449A 78 CR2 CR3 Varactor...

Page 46: ...N55D332RF R27 8 2K 189237A RC07GFD822J R28 6 8K 189182A RC07GF682J R29 39K 189494A RC07GF393J R30 1K 189220A RC07GF102J R31 SeeTable R32 10K 189227A RC07GF103J R33 27K 188078A RC07GF273J R34 5 6K 1892...

Page 47: ...5 3 5 8 5 3 5 8 5 3 5 8 5 3 5 8 5 L4 3 5 8 5 3 5 8 5 3 5 8 5 1 7 3 9 1 7 3 9 1 7 3 9 1 7 3 9 0 9 2 1 0 9 2 1 0 9 2 1 Rl0 7 68K1 4 99K 7 68K14 99K 7 68K14 99K 7 68K14 99K 7 68K14 99K 7 68K1 4 99K 7 68K...

Page 48: ...lyp C18 C19 0 001 100V 189010A l C20 C21 10 35V 189719A 9 Hilton SWT35Z10 C22 910pF 1 189017A 5 CM05ED911J03 C23 2400pF l 189008 38 CM05ED2401 J03 C24 130pF l 189008A 69 CM05ED131J03 C25 Variabie 3 2...

Page 49: ...189485A RC07GF271J R20 5 6K 189226A RC07GF562J R21 1 6K 189481A 59 RC07GF162J R22 1K 189220A RC07GF101J R24 SeeTable R25 100 189202A RC07GF101J R26 620 189200A 10 RC07GF621J R27 27K 188078A RC07GF273...

Page 50: ...5 8 6 2 6 8 7 02 7 5 8 065 8 3 DASH 1111 2112 3113 4114 5115 6116 7117 8118 9119 Cl0 68pF 82pF 75pF 68pF C12 5 40pF 3 2 l8pF 5 40pF 5 40pF 5 40pD 3 2 18 pF 3 2 18 pF 3 2 l8pF 3 2 l8pF FLl 4 83 5 2 5...

Page 51: ...Barrier Strip Plug 189892 21 J9 J10 Straight BNC F 188357 47 J11 Pin 188500 29 Berg J12 9 Pin Connector D 89397 26 RELAYS K1 K2 Relay 89980 45 Sigma 191TE1C1 12G TRANSISTORS 01 02 03 04 05 VN10K 89888...

Page 52: ...115 Vac In 12V Out Bracket AC Line Fuse FuseHolder Fuse 1A AGC PowerCord Strain Relief Busing Terminal Ring Terminal Slip On Tab PCB Disconnect Pins Capacitor 0 01 F LED Red LED Green Resistor 1K 1 4W...

Page 53: ...LY DISPLAY PWB ASSEMBLY DG INPUT PN 842354 2 GR1 GR2 GR3 GR4 GR5 R1 R2 R3 R4 R5 7 18 Terminal Bloek 3 Position FuseGlip Fuse 0 5A AGG Pins LED Red LED Green Resistor 1K 1 4W 5 189892 24 89300 1 88203...

Page 54: ...CR6 F1 J1 100 25V 0 01 10 LED Red LED Green 1N4006 1 2AAGC Terminal Pin DIODES FUSES CONNECTORS INDUCTORS 189719 4 87211 89904 55 89904 45 89440 58 188500 29 Berg All inductors are in microhenries un...