Страница 1: ...nry Radio Linear Amplifiers Operating and Maintenance Manual 3K Classic Mark II 3K Classic X Mark II 5K Classic IIEMRYREIDIO 2050 S BUNDY DRIVE LOS ANGELES CA 90025 USA 213 820 1234 Telex 67 3625 Henradio ...
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Страница 3: ...60 to 200 watts nominal DUTY CYCLE Continuous duty at rated output DIMENSIONS 32 75 HIGH x 16 50 DEEP x 15 00 WIDE SHIPPING WEIGHT 3K Classic Mark II 125 pounds 1 box 3K Classic X Mark II 175 pounds 1 box 5K Classic 190 pounds 1 box COOLING Forced air cooling POWER REQUIREMENTS 3 wire single phase 60 Hz 3K Classic Mar k 11 230 VAC 30 amps 3K Classic X Mark II 230 VAC 30 amps 5K Classi c 230 VAC 40...
Страница 4: ... PLATE VOLTAGE 3K Classic Mark II 558 3000 3200 VDC nominal CW 2000 22170 VDC nominal 31 Classic X Mark II 58B 3600 3800 VDC nominal CW 2700 25oO VDC nominal 5K Classi c SSB 4200 4400 VDC nominal CW 2700 2900 VDC nominal NOTE The plate voltages listed above are nominal and vary with the AC line voltage at the operating position OTHER FEATURES Conservative power supply components for superb dynamic...
Страница 5: ... the reliability of an industrial type power supply The 5K Classic uses two 3CX120OA7 in conjunction with a special high v 31t age heavy duty power supply for a minimum of 3500 watts PEP output in mil itary or commercial applications This amplifier is available for sale only to military export or industrial users These are a family of amplifiers because they are all designed around the same basic ...
Страница 6: ... amplifier may be located wherever desired provided there is adequate air flow from the bottom of the unit up through the top of the amplifier Do not restrict the airflow o f the amplifier and never place it too close to a wall that might restrict the airflow into the hack of the unit You will require a location that has an appropriate 220 VAC power source A location which avoids environmental ext...
Страница 7: ...tput connector of the exciter An adapter may be required if the exciter does not have a matching connector ALC Automatic Level Control CABLE Plug the gray ALC cable into the ALC OUT phono socket on the rear panel of the amplifier and into the ALC feed back connection on the exciter If the exciter does not have provision for feedback of ALC voltage from the amplifier no connection is necessary RELA...
Страница 8: ...ve vinyl jacket 114 Bare of center conductor Trim braided shield Shot LIJUP1111g ring on cable Tin exposed center conductor and braid Srrew the pi if sub on rt e Noiorr a Nnt y ti i d r through solder holes mak n a ud bond between Win arid shell SuIder rwidur r to rnrt h nut ul i ex s he n _ rltf111tf11 ME For final assembly screw coupling ring on plug sub assembly 7 ...
Страница 9: ...e is significantly different YOU must rewire the taps on the transformer located in the power supply section E CA 1 222 b Tap 1 Common Tap t 200 VAC Tap 3 2 10 VAC Tap 4 220 VAC Tap 5 230 VAC ECA 1194 Tap 1 Common Tap 2 00 VAC Tap 3 210 VAC Tap 4 220 VAC Tap 5 230 VAC Tap 6 240 VAC NOTE The nominal filament voltage at the tube is 7 5 VAC The amplifier does not meter filament voltage so you must us...
Страница 10: ...ff the amplifier SSl3 i W SWITCH This two position rotary switch selects between two plate transformer taps to assure the correct operating parameters for each type of emission The amplifier must be retuned when the switch is changed PLATE CURRENT METER This meter monitors the plate current of the tube or tubes in your amplifier The meter scale reads i to 1 amp DC P1LOT LIGHTS The dial lights come...
Страница 11: ...ches 4 STANDBY Light 5 POWER Light 6 BAND Switch 7 TUNE Control 8 LOAD Control 9 SSB CW Switch 10 OFF ON Power Switch Circuit Breaker 11 AC Fuse 12 AC Fuse 13 Adjustable Feet 14 RF Output Connector 15 Cathode Fuse 16 RF Input Connector 17 ALC Connector 18 RELAY Connector 19 ALC Adjust Potentiometer 20 Ground Stud 21 Serial Number Tag 22 Air Flow Filter 23 AC Power Connector 10 ...
Страница 12: ...off or in the STANDBY mode the relay can not be keyed Never apply any voltage to this socket RF INPUT CONNECTOR This BNC coax connector accepts the drive line from the exciter The input impedance of the amplifier is nominally 50 ohms F f OUTPUT i CJNNECTOf The nominal output of the amplifier is 50 ohms Do not operate the amplifier unless an antenna or other 50 ohm load with an SWR better than 2 1 ...
Страница 13: ...K Classic 0 ma 100 ma 3500 VDC The high voltage and resting current are very dependent on the AC line voltage at the operating position If the tube parameters are significantly different than the above reading there may be a problem with the amplifier or the high voltage taps on the power transformer may need to be changed SECTION 5 2 SSB OPERATION Set the SSB CW switch to SSB and make sure that t...
Страница 14: ...e and 10 seconds off is a good op erating habit when tuning up St 7 When the amplifier has been tuned to resonance note the dial cal ibration readings so that you can return to that frequency again without retuning Q long as the tube is in good condition and your load stays constant tlls dial readings should stay constant for a specific frequency t Ep P Switch the exciter to SSB operation and spea...
Страница 15: ...cy desired Apply drive from your exciter to the amplifier and bring the RF output reading to about 600 or 700 watts Adjust the TUNE and LOAD controls alternately to carefully peak the amplifier s output as shown on the RF wattmeter The amplifier will now be tuned to resonance SECTION 5 6 OPERATING PRECAUTIONS Please keep the following precautions in mind to insure safe and reliable operation of th...
Страница 16: ...in the drive cable If the high SWR problem appears on every band you must assume that the in put antenna relay is out of its socket either totally or partially Also a short in the coax beteen the input connector and the RF chassis can cause the same problem SECTION 6 2 REDUCED RECEIVER SENSITIVITY If you see reduced receiver sensitivity in your exciter when the amplifier is being used or when the ...
Страница 17: ...ay cable then check the exciter s relay circuit Henry amplifiers key with 122 VDC 24 VDC for 5K and some modern exciters use diode switching This combination sometimes causes a votlage drop in the relay line so that the relays will not key Measure the resistance across the exciter s relay contact Any resistance can cause a volt tage drop If this is the case a more sensitive external relay may be r...
Страница 18: ...ts superb linear ity and voltage regulation However the choke must be resonated to a specific AC frequency 50 Hz or 60 Hz using capacitors If the capacitor fails or if the amplifier was set up at the factory for a different AC frequency the voltage regulation becomes poor The result will be exces sive high voltage when the amplifier is not transmitting and excessive vol tage drop during transmit T...
Страница 19: ...nt voltage low AC line voltage or a bad tube s SECTION 6 8 AC LINE VOLTAGE PROBLEMS The amplifier is normally factory wired for 220 230 VAC 3 wire 60 Hz operation unless specially ordered otherwise If your AC mains are differ ent then you will probably have to make a modification in power supply 50 HZ OPERATION Unlike most other amplifiers on the market most Henry amplifiers use a resonant filter ...
Страница 20: ...l not turn on or off Another possible cause is the improper instal lation of the power plug on the power cable If the high voltage turns on but the pilot lights blower and relay supply do not come on the 3 AG fuse has blown ALC CIRCUIT SHORTED A defect in the ALE circuit will prevent the tubes from being driven properly FILAMENT VOLTAGE FAILURE With a ceramic tube it is not easy to make sure that ...
Страница 21: ...ove the BAND TUNE and LOAD knobs from the front panel Then remove two screws from the bottom of the back of the top wraparound These are accessed by reaching up from the back of the power supply section They are not shown on the diagram Remove two screws from the area overhanging the front screws 19 and 20 The RF deck should now slide out of the back of the wraparound If you should need to send th...
Страница 22: ...FIGURE 4 DISSASSEMBLING YOUR AMPLIFIER Cr i _ l J I i FRONT L _ i RIC T DE ma Q 13 CI r o jc F T TOM I I vpTE L Sl aEw a s O J O ARL LOWED ON THE BOTTOM OF THIS SUReCE REAR ...
Страница 23: ...I 28 MKZ C36 D3 C39 C49 J7 FILAMENT L 5 3 RELAY IN XMIT 12VDC C13 X8 R1A L7A R1B L7B V1 V2 I C4j L10 L8 I r RF OUTPUT L9 TUNE VACUUM 8 LOAD L L1 RELAY C17 _IlC 80 C18 RY3 10l r 80 II 3CX 1200A7 X2 _ R4 _ C30 D2 R3 C34 IC31 I C38 IC39 I II I rn Cie X7 C45 C33 R5 ALC ADJUST C48 C49 I _ 8 0 1 J3 _ R7 24 VDC J5 C45 PTTT HENRY 5K CLASSIC RF DECK MARK 11 ...
Страница 24: ...HIGH VOLTAGE T101 f 1 S102 AIRFLOW SWITCH L101 I C 101 T C102 I C103 _ i _ C108 R 108 5 C10 1077 1 2 F101 J103 FILAMENT J102 HARNES PLUG J3 HARNES SOCKET At R104 X2 ALC T103 RELAY S101A B101 D103 1 1 e PL f01 oe Op PWR 5K CLASSIC POWER SUPPLY C107 i R117 J104 HV ...
Страница 25: ... C48 T 1 PTT l T is ALC DIA 12VDC HENRY 3K CLASSIC RF DECK MARK If 0A S R1A LO TUNE LB C37LOAD L9 Cl C18 3 7 C24 T T T 1 J 10 C35 I I C40 I I C35 7 5 VAC J7 FILAMENT C42 C43 C40 C41 IC38 L11 8 TC3Y i II RY2 53 HARNESS TP2 I I I 1 N C N C N C It 8 4 8 A 7 RELAYS SHOWN IN TRANSMIT POSITION C44 ...
Страница 26: ...S PLUG J3 HARNES SOCKET 8 PIN OCTAL D101 14 A f 1 1y1y t J104HV D 102 L101 J103 FILAMENT R102 Clog M101 PLATE CURRENT 8101 D103 S101A PL 101 PL 102 oa Iu R106 i f PWR STBY 1 1 PL 104 PL103 3K CLASSIC POWER SUPPLY 1 1 T103 RELAY 12VDC R 104 X2 D108 X2 R108 R109 R113 R111 R112 ALC V Clog 1 l U102 MUL TIMETER D108 I_ X2 R117 S101B ...
Страница 27: ...TERMINAL STRIP FOR CUSTOMER GND 12VDC f FIL CT HV AUX CIRCUITRY FOR RF DECK AMPS NO HV POWER SUPPLY 2K CLASSIC X 3K CLASSIC X ...
Страница 28: ...FILAMENT T P I X2 r l 3CX 1200A7 5K ONLY GND a RF CHOKE HV SAFETY SW _ T _ _ _ t 1 CHAIN 3k R 5K qG DECK S iiu i L _1 RF IN 0 ALC RF OUT X2 FUSE 0 I GEAR REDUCTION AREA ___ DIAL LOAD CONTROL BELOW IE ...
Страница 29: ...PACITOR BLEEDERS 20K X4 100WATT i 12VDC ON E A9lNEf r t _ A F A r t C QSB fiw C R riL i BREAKERS FUiStS X2 __ __ _ _ HV METER RESISTORS FILAMENT TRANSFORMER ECA1216 v DIODE BYPASS coo 00000000 O 0 F 3 FOWE SUPPLY 2ND DECK 7 30 86 220VAC r ...
Страница 30: ...CD ECA5020 FILTER CHOKE 0 h HV PLATE TRANSFORMER 3K 2500VDC ECAf1120 3KX 4000VDC ECAf1171 5K 5000VDC ECAf1214A 3K 5K CLASSIC POWER SUPP Y LOWER DECK 7 30 86 ...
Страница 31: ... BREAKERS X2 FUSES _12 BLEEDER RESISTORS 0 1 CAP 50 CYCLE ONLY 00 15VAC ECA119A HV METER RESISTORS 20K X5 100WATT o o 0 O RELAY SUPPLY 5K CLASSIC POWER SUPPLY 2ND DECK 1 220VAC 1 HV FILTER CAPACITOR FILAMENT TRANSFORMER 8 1 86 w a w Li Li Li ...
Страница 32: ...S DD104 016Es CERAMIC DISC 01 MF 1 KVDC 5K OENTPALAS DD104 C17 CERAMIC TRANSMITTING 25 PF 7 5 K V HE HT50V2501CA E 18 x 3 CERAMIC TRANSMITTING 75 PF 7 5 KV HE HT50V750KA C19 x 7 CERAMIC TRANSMITTING 100 PF 7 5 KV HE HT50V1O1k A C24 CERAMIC TRANSMITTING 25 PF 15 KV 5k HE HT57V250K A C30 C31 MICA 470 PF 500 VDC ARCO DM15 471J C33 036 CERAMIC FEEDTHROUGH 2000 PF 500 VDC TUSONIX 202M C37 VARIABLE AIR ...
Страница 33: ...LFUSE 312 003 FUSEHOLDER 3 AG LITTELFUSE 342 875 KNOB BAND SWITCH TUNE CONTROL LOAD CONTROL RAYTHEON 175 1 2G KNOB SSB CW SWITCH RAYTHEON 70 7WL 2G INDUCTORS Ll INPUT COIL 3 5 MHZ HENF Y L1 3K CLASSIC L INPUT COIL 7 0 MHZ HENRY L2 3K CLASSIC L3 INPUT COIL 14 0 MHZ HENRY L3 3K CLASSIC L4 INPUT COIL 2 1 0 MHZ HENRY L4 3K CLASSIC L5A INPUT COIL 28 0 MHZ 3K ONLY HENRY L5 3K CLASSIC L5B INPUT COIL 28 0...
Страница 34: ...2 CARBON 47 K OHMS 2 WATTS 10 RESISTOR F 113 PRECISION 10 M OHMS 7 5 WATTS 1 RESISTOR R117 CARBON 10 K OHMS 2 WATTS 10 RESISTOR F 118 CARBON 150 OHMS 1 WATT 10 RESISTOR R119 CARBON 470 OHMS 1 WATT 10 kESISTOF R120 R122 WIREWOUND 10 OHM 50 WATT 5 5K E ESISTOR R124 CARBON 5 K OHMS 1 WATT 10 RESISTOR SWITCHES st HIGH VOLTAGE SHORTING SWITCH HENRY Si 3K CLASSIC S2 BAND SWITCH INPUT SECTION CENTRALAB 2...
Страница 35: ...0 3 pF Interelectrode Capacitances grounded grid connection 2 Input 20 pF Output 10 3 pF Feedback max 0 6 pF MECHANICAL Cooling Forced Air Maximum Operating Temperatures Plate Seal 250 C Base Seal 250 C Mounting Position Vertical Base Up or Down Socket SK410 Chimney SK436 Maximum Length 6 0 in 147 mm Maximum Diameter 2 91 in 73 1 mm Weight Approximate 2 b lb 1 1 kg Charar tonsl cs and operating va...
Страница 36: ... 1750 2080 2430 2780 ohms Intrarmodulatlon Distortion ProdUCIS2 3rd Ordor 37 35 30 33 dB 5th Order 42 41 43 48 dB 1 i ii4 dwo t tlhnde Doti rloy hr pruv rle tl by cr ze nrv rUodr t 2 ThV inhVnnex ulahun rlislurUon products arr reltNenr r 0 aqain5l Olt Innr Of a fwu oqual binr tiqnal 3 Approxrnrafc valr cs MAXIMUM RATINGS DC Plate Voltagc 5500 V DC Plate Current 0 9 Adr Grid Dissipation 50 W Plate ...
Страница 37: ...e base seals may result COOLING Forced air cooling is required to maintain the base seals at a temperature below 250 C and the Plate seal at a temperature below 250 C Air flow requirements to maintain the above maximum temper itures are shown n cooling data curve At 1200 W of plate dissipation an airflow of 30 ctm with a back prnssl ir z of 0 5 inches of water should be apt A d and directed throug...
Страница 38: ...he full peak envelope power noted INTERELECTRO E CAPACITANCE The actual rnter nal interelectrode capacitance of a tube is influenced by many variables in most applications such as stray capacitance to the chassrs capacitance added by the socket used stray capacitance between the tube termrnals and wiring effects To control the actual capacitance values within the tube as the key com ponent involve...
Страница 39: ...0 4 4 1 1 41 rt t t 71 1 H H H i _ v If 011 A t Inches of water 0 6 0 5 0 4 0 3 0 2 0 1 0 0 5 1 PLATE DISSIPATION kW 1 5 CFM and pressure required to keep anode temperature at 225 C Standard conditions 2511C at 29 92 In Hg 1 PAS 00407 X In of water 1 cubic meter min 2 832 X 10 2 X CFM 00 ...
Страница 40: ...EIMAC 3CX1Mll7 CONSTANT CURRENT CHARACTERISTICS GROUNDED CATHODE PLATE CURRENT AMPERES GRID CURRENT AMPERES 125 l f1 0 100 i 3 0 2 5 2 0 25 0 25 05 1 5 1 0 5 0 2 0 2 1 2 3 4 5 PLATE VOLTAGE kV ...
Страница 41: ... REF A 5 400 137 16 B C _ 2 750 2500 674 635 D 312 7 65 E 500 76 75 F G H 700 _ 800 1 7 3375 937 _ 17 15 19 6 82 7 22 g5 K 30 30 L 185 191 453 468 M 1250 30 63 N 2 875 7044 NOTES 1 REF DIMENSIONS ARE FOR INFO ONLY Sr ARE NOT REQUIRED FOR INSPECTION PURPOSES 32 ...
Страница 42: ...valtlge at the operatint psi ion Model Serial Number V St TIUN 11 1 i A TORY DATA r R EnUENC Y TUNE LOAD GRID MA PLATE MA OUTPUT WATTS _ _ i _ _ L _ i i __ __ _ _ _ _ _ _ 4 z C AL A _i101ih6L16W1 0 _ l j _ _ _ 1 SEi_TION 11 21 USER DATA FREQUENCY TUNE LOAD GRID MA PLATE MA OUTPUT WAT rS u 1 _ _ __ __ _ 1 C L4 4 1 _ _ _ ti _ _ i __ 3 ...
