REIMESCH KOMMUNIKATIONSSYSTEME GMBH ALPIN 100 MK III User Manual Download | Manualshive

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2 OPERATION

13

ALPIN100 Manual © Copyright 2010 by Reimesch Kommunikationssysteme GmbH

2.7.

TUNING EXAMPLE

You can find an example of the tuning procedure below.

The

LOAD TUNIG KNOB

has to be rotated

clockwise.

While rotating the

LOAD

capacitor the

CAP

METER

is close to the optimum tuning

point.

We are next to the optimum point. Just a
small correction of LOAD and TUNE will
be necessary to reach the point.

Here, we have found the optimum point for
the LOAD Capacitor. Now we can release
the PTT and increase the drive power.

After pressing the PTT again it might be
possible to readjust the amplifier a bit.

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Summary of Contents for ALPIN 100 MK III

Page 1: ...ALPIN 100 MK III HF 50MHz Linear Amplifier USER MANUAL REIMESCH KOMMUNIKATIONSSYSTEME GMBH v1 1 ...

Page 2: ...9 EN 301 489 1 V1 4 1 2002 08 EN 301 489 15 V1 4 1 2002 08 EN 60215 August 1994 Titles of regulations standards etc All essential radio test suites have been carried out MANUFACTURER or AUTHORISED REPRESENTATIVE Address Reimesch Kommunikationssysteme GmbH Friedrich Ebert Straße D 51427 Bergisch Gladbach Deutschland Germany This declaration is issued under the sole responsibility of the manufacture...

Page 3: ...ge abt 2550V under Load at 230VDC input Intermodulation distortion 35dB Tube Single 4CX800A GU74B forced air cooling supply voltage 120 200 210 220 230 240VAC 50 60Hz one phase Dimensions W x D x H 16 9 x 14 9 x 7 4 430mm x 383mm x 190mm Weight 57 5 lb 26 1 kg AC Power Fused at 20 A max accordingly to be changed look 1 3 page 8 GUARANTEE This amplifier is sold with a two years guarantee except the...

Page 4: ... 2 POWER ON 10 2 3 STANDBY MODE 11 2 4 OPERATE MODE 11 2 5 ELECTRONIC BIAS SYSTEM EBS only ALPIN 100 MK II 12 2 6 TUNING PROCEDURE 12 2 7 TUNING EXAMPLE 13 2 8 TUNE TABLE 14 2 9 ALPIN100 US VERSION 14 3 PROTECTION SYSTEM 15 3 1 Errors in Power On mode 15 3 2 Errors in Standby mode 15 3 3 Errors in Operate mode 16 3 4 Errors in TX RX mode 16 3 5 Warnings in Operate mode 16 4 SCHEMATIC 17 5 EXHIBIT ...

Page 5: ... the AC PLUG will not be supplied with the amplifier The blue and brown wires are the powerleads Please take care that the groundlead be cut a bit longer than the power leads blue and brown at installing the plug GND Connect the ground stud of the amplifier on the rear panel to the grounding system The wire used should be of large diameter and run to a good earth ground RF INPUT AND OUTPUT Use a 5...

Page 6: ...ndle the output power delivered by the ALPIN 100 3 Connect the PTT Line from your transceiver to the RELAY jack of the ALPIN 100 The voltage on the Relay Jack is 12V and the current to ground is 11mA 4 For QSK Operation connect your KEYER to the RELAY Jack and connect the KEY OUT jack on the rear of the ALPIN 100 to the KEY INPUT of your transceiver 5 Connect the amplifier to the AC Mains 230VAC a...

Page 7: ...few connections and screws to other parts of the amplifier The Following parts have to be dis connected 6 pin plug socket to the high voltage board only 2 pins connected 9 pin plug socket to main board and G1 G2 board 2 pin plug socket to tube deck 2 cables Pin 1 and 4 from the connectors on top of the transformer 4 screws on the bottom of the box ATTENTION To avoid any damages please remove the t...

Page 8: ...n you will have to change the position of the connector cables as shown in the table The cables are marked from A to H and the connection points from 1 to 8 Line 1 2 3 4 5 6 7 8 Fuse 120V H G C D A B E F 20A 200V E D B H A C F G 12A 210V F D B H A C E G 12A 220V G D B H A C E F 12A 230V F D C H A B E G 10A 240V G D C H A B E F 10A Besides this you have to configure two jumpers on the main board ne...

Page 9: ...er should be able to resist 1 kW RF power You have to make sure about this before you start operating with the ALPIN 100 If you are not sure please check the data sheets to avoid damages 1 5 COOLING SYSTEM The cooling of the ALPIN 100 is realized by a high quality blower The air input port is to be found on the back panel of the amplifier and the output outlet on the top side ATTENTION It is very ...

Page 10: ...a green OPR lights up when in operate mode and a yellow ATT lights up when the built in attenuator is switched on The POWER switch is in the lower right corner of the front panel 2 2 POWER ON To start up the amplifier use the LINE SWITCH on the back panel of the amplifier Now you will see the following message coming up on the LCD display at the front panel Now you can switch on the ALPIN 100 with...

Page 11: ... to show individual and or the most essential values of the amplifier You may alter the displayed data with the UP and DOWN buttons next to the display The Following data will be shown Forward power Temperature of the exhaust air Drive RF power Screen current High voltage Plate current Antenna SWR Reflected power In standby mode the following values are measured temperature of exhaust air screen c...

Page 12: ...the BAND SWITCH while transmitting 2 Apply approximately 20W of drive power to the amplifier 3 Tune the LOAD KNOB on the front panel while observing the CAP tune meter on the LCD display Turn the knob into the direction of the arrows of the CAP tune meter Please use the tune table in the next chapter for the first configuration of TUNE and LOAD KNOBs 4 Now we have to turn the TUNE KNOB on the fron...

Page 13: ...ckwise While rotating the LOAD capacitor the CAP METER is close to the optimum tuning point We are next to the optimum point Just a small correction of LOAD and TUNE will be necessary to reach the point Here we have found the optimum point for the LOAD Capacitor Now we can release the PTT and increase the drive power After pressing the PTT again it might be possible to readjust the amplifier a bit...

Page 14: ... 48 7 05 49 81 10 1 15 30 14 25 44 38 18 15 87 81 21 25 39 56 24 92 57 54 28 5 22 39 50 2 15 14 These settings will vary from one amplifier to another 2 9 ALPIN100 US VERSION In the US version the ALPIN100 amplifier is shipped with disabled operation on the 24 28 MHz range to comply with FCC Rules The PTT circuit will not work on this band and even with keyed down PTT the TX LED will not light Ope...

Page 15: ...te carelessly 3 1 Errors in Power On mode Code Legend 17 average plate voltage too high 18 IG2 too high 19 plate current too high 20 grid RF too high 21 problem with output relay contact 22 screen current too high 23 HV 350V for more than 120 ms 24 HV 3300V or HV 1500V 25 low air for 90 s 3 2 Errors in Standby mode Code Legend 33 plate current 25mA 34 high voltage 3300V or high voltage 1500V 35 te...

Page 16: ...hose errors there are some warnings in the Operate mode The amplifier shows a flashing warning message and or will switch to Standby mode Message Legend Action REFLECTED PWR Reflected power 350W Standby mode DRIVE TOO HIGH Drive power 90W for less than 5 s Drive power 90W for more than 5s Drive power 120W Warning Standby mode Standby mode SCREEN CURRENT Screen current 80mA for more than 1s Standby...

Page 17: ...4 SCHEMATIC 17 ALPIN100 Manual Copyright 2010 by Reimesch Kommunikationssysteme GmbH 4 SCHEMATIC ...

Page 18: ...5 EXHIBIT 18 ALPIN100 Manual Copyright 2010 by Reimesch Kommunikationssysteme GmbH 5 EXHIBIT 5 1 Changing the tube First disassemble the items from the anode from the tube as shown in the pictures ...

Page 19: ...tube Before assembling the new tube it must be conditioned Connect Pin 3 and Pin 7 to a power supply with 12V DC and adjustable current limiter Supply each of the following currents for 3 minutes 0 5 A 1 A 2 A 3 A max current ca 4 A The procedure should be finished after 15 minutes to prevent heat problems ...

Page 20: ...un the Alpin 100 without cover and connect to a transceiver a Setup of Poti R44 Without power from the transceiver in TX mode adjust with R44 a plate current as shown in display from Alpin to 50mA b Setup of Poti R45 Slowly increase the power of the transceiver until the plate current jumps in the range of 200mA then adjust with R45 the current to 180mA R 45 R 44 ...

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