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 418 Users manual 

Release 1.00 – NOVEMBER, 2011 

 

Part #74468 

 

Printed in USA 

Table of Contents 

1.

 

Your new 418 ______________________________________________________________ 3

 

1.1. Unpacking 418 __________________________________________________________________ 3

 

1.2. About this Manual _______________________________________________________________ 3

 

1.3. Accessory package _______________________________________________________________ 3

 

1.4. Connection to Antenna & Power Supply_____________________________________________ 4

 

1.5. A word about grounding __________________________________________________________ 4

 

1.6. Philosophy of design _____________________________________________________________ 4

 

2.

 

418 FRONT PANEL ________________________________________________________ 6

 

2.1. Switches _______________________________________________________________________ 6

 

2.2. Band Buttons ___________________________________________________________________ 6

 

2.3. Attenuator Button _______________________________________________________________ 6

 

2.4. Delay Button____________________________________________________________________ 6

 

2.5. Delta Button ____________________________________________________________________ 6

 

2.6. Leds ___________________________________________________________________________ 6

 

2.7. Display ________________________________________________________________________ 6

 

2.8. Backlight _______________________________________________________________________ 6

 

3.

 

418 Rear Panel _____________________________________________________________ 7

 

3.1. ACC 1 _________________________________________________________________________ 7

 

3.2. Key In / Out ____________________________________________________________________ 8

 

3.3. Power _________________________________________________________________________ 8

 

3.4. Fuse ___________________________________________________________________________ 8

 

3.5. Antennas _______________________________________________________________________ 8

 

4.

 

Amplifier Hookup __________________________________________________________ 9

 

4.1. 418 to 539 ______________________________________________________________________ 9

 

4.2. 418 to other_____________________________________________________________________ 9

 

5.

 

Fault ____________________________________________________________________ 11

 

5.1. Fault conditions ________________________________________________________________ 11

 

5.2. List of faults ___________________________________________________________________ 11

 

6.

 

Specifications _____________________________________________________________ 12

 

7.

 

Block Diagram ____________________________________________________________ 13

 

8.

 

In Case of Difficulty________________________________________________________ 14

 

9.

 

Warranty & Return Policy___________________________________________________ 14

 

 

Summary of Contents for 418

Page 1: ..._______________________________________________________________________ 6 2 8 Backlight_______________________________________________________________________ 6 3 418 Rear Panel_____________________________________________________________ 7 3 1 ACC 1 _________________________________________________________________________ 7 3 2 Key In Out __________________________________________________________...

Page 2: ...418 Users manual Release 1 00 NOVEMBER 2011 Part 74468 Printed in USA 2 NOTES ...

Page 3: ...ll set of schematic diagrams at this same web location 1 3 Accessory package The additional hardware and accessories listed in Fig 1 3 1 come standard with your new 418 Look over the items listed and refer to the 5 digit TEN TEC part number and description should you find the need to replace an accessory To purchase additional accessories and parts or to report an item missing from this list pleas...

Page 4: ...ood ground system is essential for optimum operation of any HF transmitter The best solution is to connect all the station equipment to a single ground connection Refer to Local and National Electrical Codes before making any connections with the 418 Another source of information on grounding can be found in the ARRL Handbook A good ground system can contribute to the station efficiency in a numbe...

Page 5: ...unctions such as check input power and frequency enable bias to the MOSFET amplifier checking SWR current output power and temperature based on the inputs from the front panel buttons key in jack or data from the ACC 1 connector Cooling is achieved with the two internal fans that are controlled by the CPU that is monitoring the temperature of the MOSFET heat sink Figure 2 1 418 Front Panel ...

Page 6: ...off and the down arrow will turn on Each press of the DLY button will decrease the delay 2 5 Delta Button When the delta button is pressed and lit the amplifier looks for data coming in on the ACC 1 connector If there is no data the amplifier will use the internal frequency counter to select the band of operation To use the internal frequency counter Key amplifier with at least 200milliwatts input...

Page 7: ... of the amplifier 6 1 4 2 5 3 7 8 ENA DATA CLK AMP KEY Figure 3 2 ACC1 Pin out The pin out and function are listed in the following table Pin Name Direction Usage 1 Not used 2 Ground Grounding 3 Not used 4 Not used 5 Clock Input Future Use Do NOT connect to this pin 6 Enable Input Future Use Do NOT connect to this pin 7 Data Input Future Use Do NOT connect to this pin 8 Amp Key Used to key the Amp...

Page 8: ...mA See Figure 2 3 1 for proper wiring See section 4 for other connections 1 8 stereo jack part number 35263 KEY IN KEY OUT 1 8 stereo to 2 RCA jack part number 46216 Figure 2 3 1 3 3 Power Anderson Power Pole connectors are used for the 13 8VDC nominal 15 input These connectors are rated for 30 Amps each The voltage source must be capable of supplying 23 amperes continuous duty 3 4 Fuse The fuse i...

Page 9: ...e 418 can be interfaced to the 539 using only the 8 pin din cable The 539 will control band changes and keying the amplifiler 4 2 418 to other The 1 8 key jack provides a key input on the tip and a key output on the ring to allow the 418 to key other transceiver Some methods are shown below Cable number 46216 ...

Page 10: ...418 Users manual Release 1 00 NOVEMBER 2011 Part 74468 Printed in USA 10 ...

Page 11: ... display the word FAULT and what the problem was on the display To recover from a fault condition correct the problem and cycle the power switch on the 418 5 2 List of faults DISPLAY Condition FAULT Ic 30 amps FAULT TEMP 85 degree C FAULT OVERDRIVE 10 watt in FAULT OVERDRIVE PWR 115 watts out FAULT SWR HIGH 3 5 1 swr FAULT RFD Rf detected not the same as band selected ...

Page 12: ... Dimensions HxWxD 3 625 x 6 5 x 7 6 excluding feet and connectors Weight 5 4 lbs Construction Molded plastic bezel aluminum chassis front and rear panels and texture painted steel covers Display Custom FSTN monochrome LCD Display Backlight 6 LEDS RF Power Output 100 W 1 dB CW SSB Duty Cycle continuous service 100W AM FM AFSK PSK Duty Cycle continuous service 100W 50 duty cycle Tx Rx Cooling 2 inte...

Page 13: ...RELAYS ATTENUATOR POWER AMPLIFIER LOW PASS FILTERS KEY ACC 1 REGULATORS IN OUT CPU LOWPASS FILTER FRONT PANEL DISPLAY KEY PAD POWER SWITCH ANTENNA SWITCH EEPROM PIC I C DISPLAY 2 CLK DAT ENA KEYPAD POWER RELAY FAN CONTROL CONTROL 5V 3 3V CLK DAT ENA TEMP Ic ENA TEMP Ic ENA I O REAR PANEL KEY IN KEY OUT PWR RLY CONTROL FAN CONTROL 1 8 JACK 8 PIN DIN ...

Page 14: ...e station is in the near field of the antenna This is a problem many apartment dwellers face RF can also be induced on any unshielded wires Problem 418 power shuts off while transmitting The 418 is equipped with a silicon controlled rectifier that opens if the PA current draw exceeds an instantaneous power of approximately 30 amps This will shut off power to the mosfet finals Excessive current dra...

Page 15: ...nstructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures...

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