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TABLE OF CONTENTS

WARNING NOTICES
1.
1.1
INTRODUCTION
1.2
1.3
1.4
1.5
1.6
HIGH POWER OPERATION
1.7
ALC
2. OPERATING INSTRUCTIONS
2.1
INTRODUCTION
2.2
FRONT PANEL CONTROL FUNCTIONS AND INDICATOR
2.2.1
2.2.2
TUNE
2.2.3
LOAD
2.2.4
POWER
2.2.5
2.2.6
2.2.7
2.2.7.a EP
2.2.7.b IS
2.2.7.c FWD
2.2.7.d REV
2.2.8 OVERDRIVE
2.2.9 WAIT
.
2.2.10 PEAK METER
2.3 REAR PANEL CONNECTIONS AND CONTROLS
2.3.2 ANTENNA
♦ TABLE OF CONTENTS
i - ii
iii - iv
v - vi
vii
viii
viii
viiii
1-1
1-1
1-1
1-1
1-1
1-1
1-2
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 1
2 - 2
2 - 2
2 - 2
2 - 3
2 - 3
2 - 3

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Summary of Contents for Ten-Tec TITAN II 416

  • Page 1: Table Of Contents

    ♦ TABLE OF CONTENTS TABLE OF CONTENTS i – ii iii – iv LIST OF ILLUSTRATIONS SPECIFICATIONS v – vi WARNING NOTICES 10 M OPERATION viii viii INTRODUCTION UNPACKING viiii INSTALLATION INTRODUCTION ELECTRICAL CONNECTION S TRANSCEIVER INTERCONNECTIONS ANTENNA REQUIREMENTS GROUND CONNECTION HIGH POWER OPERATION 2.
  • Page 2 2.3.3 KEY IN 2 - 3 2.3.4 KEY OUT 2 - 3 2.3.5 PTT – VOX 2 - 3 2.3.6 ALC 2 - 3 2.3.7 ALC CONTROL 2 - 3 2.3.8 A.C. LINE 2 - 3 2.3.9 LINE FUSE 2 - 3 INITIAL POWER –...
  • Page 3: List Of Illustrations

    LIST OF ILLUSTRATIONS 1 - 1 T/R CONNECTIONS FOR TEN-TEC TRANSCEIVERS WITH TX OUT AND TX EN 1 - 3 1 - 2 T/R CONNECTIONS FOR OTHER TRANSCEIVERS 1 - 3 2 - 1 MODEL 416 FRONT PANEL 2 - 5...
  • Page 4 81813 PLATE BOARD PHOTO 5 - 13 CIRCUIT TRACE 5 - 13 COMPONENT LAYOUT 5 - 13 SCHEMATIC 5 - 13 81812 METER SWITCH BOARD PHOTO 5 - 15 CIRCUIT TRACE 5 - 15 COMPONENT LAYOUT 5 - 15 SCHEMATIC 5 - 15 81810 AC LINE DELAY BOARD PHOTO...
  • Page 5: Specifications

    SPECIFICATIONS BAND COVERAGE 160, 80,40, 20, 17 AND 15 meters POWER OUTPUT 1500 WATTS SSB AND CW , 1000 WATTS CONTINUOUS , RTTY , AND SSTV DRIVING POWER 70 WATTS TYPICAL FOR 1500 WATTS OUT DUTY CYCLE A.) SSB-CONTINUOUS VOICE MODULATION 1500 WATTS PEP B.) CW-50% DUTY CYCLE CONTINUOUSLY 1500 WATTS PEP 30 MIN.
  • Page 6 TUBE SVETLANA CERAMIC 4CX1600B POWER TETRODE COOLING DUCT FORCED AIR , VERTICAL EXHAUST , USING CENTRIFUGAL BLOWER TO PRODUCE .50 " PRESSURE DROP IN WATER AT SEA LEVEL 25 DEG C AIR TEMPERATURE. OPTIONAL FAN AVAILABLE FOR HIGH ALTITUDE OR CONTINUOUS DUTY.
  • Page 7: Operation

    WARNING!!!!!!! This amplifier contains lethal voltages when operating. DO NOT operate this amplifier with the covers removed. The power supply circuits in this amplifier produce 3000 VOLTS which is LETHAL!!! CAUTION!!! Never attempt to operate the TITAN II without first connecting a suitable antenna or 50 ohm dummy load of sufficient power rating or SERIOUS DAMAGE MAY RESULT!
  • Page 8: Introduction

    Band coverage includes 160, 80, 40, 30, 20, and 17 meters as shipped from the factory. With proof of authorization, 12 and 10 meters may be enabled with optional matching network from TEN-TEC. Primary power of 240 VAC is recommended. Operation on 110 VAC is possible with modification to the line input AC board.
  • Page 9: Unpacking

    .056 allen wrench 38040 1 ea. .062 allen wrench 38088 1 ea. # 8 allen wrench 38124 If any of the above are missing, contact the repair department at TEN-TEC for replacement. Repair dept. (423) 428-0364 Switchboard (423) 453-7172 (423) 428-4483 E-mail TSALVETTI@TENTEC.COM...
  • Page 10: Installation

    1.3 TRANSCEIVER INTERCONNECTIONS : When using the (figure 2-7). TITAN II with TEN-TEC transceivers with The nominal output impedance of the TXEN-TXOUT connections, follow the amplifier is 50 OHMS. Many antennas diagram in figure 1-1. The QSK-PTT switch...
  • Page 11: Ground Connection

    1.5 GROUND CONNECTIONS : In the insulators, is heating and must be interest of personal safety an to reduce the corrected. possibility of stray RF pickup on 4. A solid earth ground is essential. interconnecting cables, all station equipment Every station will have a unique should be well grounded to earth and to electrical ground due to location of supply line ground bus.
  • Page 12 TITAN II TRANS. TX OUT KEY IN TX EN KEY OUT ANTENNA TRANSCEIVER FIGURE 1 - 1 T/R CONNECTIONS FOR TEN-TEC TRANSCEIVERS WITH TX OUT & TX EN OTHER RIG TITAN II CW KEYER OTHER TRANS. TITAN II KEY OUT EXT.
  • Page 13: Band Switch

    Refer to Chapter 3 for further information circuits for CW/QSK operation. For late and operating hints. model TEN-TEC transceivers with TXEN and TX OUT , this position is used for all 2.2 FRONT PANEL CONTROLS : The front panel controls and their modes of keying.
  • Page 14: Transceiver

    Reduce drive from the ready to transmit. When used with all late transceiver immediately and retune. model TEN-TEC transceivers , this jack is B. When the control grid overdrive LED connected to the TX EN on the is lit, the control grid current is transceiver.
  • Page 15: Line Fuse

    fuses or circuit breakers of 20 AMPS. wire 2.5.2 IMPORTANT POINTS TO size of the AC feed line should be at least REMEMBER: The most important 10/2 with ground parameters to observe during tune up are or larger. the currents in the control grid and the 2.3.9 LINE FUSES : Primary line fuses screen grid.
  • Page 16 Overdrive LEDs and reduce drive frequency, you can log the LOAD when either is lit. and TUNE settings in the chart E. For initial tune up you set the TUNE provided on page 2-9. These settings and LOAD controls to their center will be repeatable for the same positions.
  • Page 17: Operating Hints

    CHAPTER 3 OPERATING HINTS 3.1 INTRODUCTION : The following paragraphs provide additional information for getting the best performance from your TITAN II amplifier. 3.1.1 HIGH POWER TETRODE : The 4CX1600B is very rugged and normally operates with a large margin of safety in the TITAN II . It will deliver outstanding service for many years if not damaged by abuse...especially excessive grid current or blockage of cooling air flow.
  • Page 18: 120 Vac Operation

    3.1.5 OPERATION ON 120 VAC : The C. Locate the (81815) Screen supply TITAN II is normally shipped from TEN- board. There should be two jumper TEC wired for operation on 240 VAC. The wires already installed . For 120 VAC power supplies in the TITAN II can be terminals #1 and #4 are jumpered modified for 120 VAC operation (but not...
  • Page 19 CHAPTER 4 MAINTENANCE AND TROUBLE SHOOTING 4-2 MAINTENANCE The amplifier 4-1 INTRODUCTION If you encounter compartment , particularly areas around a problem , the troubleshooting hints high voltage components should be listed in TABLE 4-1 below will help cleaned frequently enough ( using a soft isolate the nature of the problem.
  • Page 20 TABLE 4-1 TROUBLE SHOOTING HINTS ( Continued) 5. Relays K1, K2, and K3 close at turn on , A] High voltage at crowbar or elsewhere. but line fuses blow. B] Shorted tube. C] Leaky electrolytics in high voltage supply. 6. Amplifier won’t drive , zero grid and plate A] Defective cable from transceiver to current , High input SWR .
  • Page 21 CHAPTER 5 CIRCUIT DESCRIPTIONS AND ILLUSTRATIONS 5-1 INTRODUCTION The following sections contain detailed circuit board subassemblies used in the Model 416 Linear Amplifier. Also included are circuit trace drawings and detailed component layout diagrams. These drawings are followed by schematic diagrams for each circuit board subassembly.
  • Page 23: Input Matching Board (81811)

    INPUT MATCHING BOARD (81811) radio license. Note: Operation on the This board contains the input filter, 10m band will also require additional impedance matching networks , and ALC modifications to the bandswitch circuits. assembly. Please contact the factory for The input filter network (81550) is the instructions or further information.
  • Page 25 81809 H.V. POWER SUPPLY BOARD This board contains the high voltage rectifier bridge (D1 – D20),H.V. filters (C1 – C9), and H.V. meter circuits (Voltage and current).
  • Page 27 81815 SCREEN SUPPLY AND GRID BIAS BOARD This board contains the screen supply ,grid bias supply, and protective circuits for the 4CX1600B. The screen voltage is rectified by diodes D4 – D7 and filtered by C1 – C4. This DC voltage is then regulated by pass elements Q9,Q5,Q6, and Q8.
  • Page 29 81814 QSK BOARD This board contains the low voltage supply , turn-on relay sequencing circuits , and T/R relay control. The low voltage is rectified by D1 – D4 and filtered by C6. U1 and Q4 provide regulation for all low voltage circuits except the negative 16 VDC supply. After a 3 minute warm-up period determined by RC time constant of R5 and C5 ,Q12 will fire turning on the pass element Q7.
  • Page 30 5-10...
  • Page 31 81816 SWR BOARD This board contains the input relay, output relay, and the swr bridge for output power measurement. 5-11...
  • Page 32 5-12...
  • Page 33 81813 PLATE BOARD This board contains the parasitic suppressors and coupling capacitors to connect the 4CX1600b plate to the amplifier tank circuit. 5-13...
  • Page 34 81812 METER SWITCH BOARD This board contains the metering circuits for the front panel meters. SW1 selects the parameter to be monitored. This selection is then sent to M2. The multimeter has three calibrated scales for measuring either plate voltage, screen current or RF power (forward or reverse).
  • Page 35 5-15...
  • Page 36 81810 AC LINE DELAY BOARD This board contains the step start relays and associated circuitry to control inrush current while the H.V. filter capacitors charge. 5-16...

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