M2 2M-1K2 Operating Instructions Manual - Addendum

Manual is about: 2M High Power Amplifier

Summary of 2M-1K2

  • Page 1

    3/1/12 rev.01 please read before use and save trou bles ho oting ove r view installat ion adde nd u m warr ant y m2 antenna systems, inc. Model no: 2m-1k2 2m high power amplifier operating instructions m2 antenna systems, inc. 4402 n. Selland ave. Fresno, ca 93722 tel: (559) 432-8873 fax: (559) 432-...

  • Page 2: Contents

    2 contents section........................................................... Page cover page ........................................................1 contents ...........................................................2 overview ...........................................................3 introduc...

  • Page 3: Overview

    3 overview ove r view it is with great satisfaction that m 2 now offers a true breakthrough in high power vhf amplifiers. Our goal has always been to offer the most carefully designed, high performance antenna products. Now we offer the same high performance in vhf amplifiers. The 6m-1k2 and the 2m-...

  • Page 4: Overview

    4 overview major components, 2m-1k2 1 2 3 4 5 6 7 8 front panel 1. +50v led (yellow). Indicates +50 vdc is present from the power supply 2. Ready led (green). Lights when the power switch is on and the amplifier is ready to be keyed and driven. 3. Vswr/temp led (amber). When lit, indicates an excess...

  • Page 5: Overview

    5 overview rear panel (shown with optional power supply) 9. Key jack. Ground to transmit. The total keying current is under 10 ma. 10. Rf in. 25-50 w nominal. 11. Rf out. It is strongly recommended that an external wattmeter be connected here. Use .405” or larger diameter, 50 ohm coaxial cable capab...

  • Page 6: Theory of Operation

    6 the 2m-1k2 designation, indicates the amp works on the 2 meter amateur band and is capable of at least 1.25 kw of rf output. A single mrfe6vp61k25h freescale™ ldmosfet solid state device is the heart of the amplifier. Because most modern amateur transceivers have a 25-50w output on 2m, the gain of...

  • Page 7: Overview

    7 voltage also passes through the transformer. The emitter of the device is grounded to its flange base (header) which in turn is attached to the copper heat spreader. There is a common ground then in the system between the chassis, the pc board and the heat sink system. This ground connection is ve...

  • Page 8: Installation

    8 installation installat ion transceiver ant key out typical installation installation considerations • warning: safety is always a priority! Always observe appropriate electrical safety precautions when installing amplifiers and related equipment. • caution: the use of lightning protection devices ...

  • Page 9: Troubleshooting

    9 problem possible cause solution no +50 v led (yellow) when the on/off switch is actuated. Ac voltage to power supply is below 185 vac. Verify that 220-240 vac is present where you plug into 220 vac. There are no external ac fuses. 50 vdc is not on, or the input is below 45 vdc. Troubleshoot the po...

  • Page 10: Troubleshooting

    10 troubleshooting trou bles ho oting support, service and returns if you have followed the provided troubleshooting steps and your product is still not performing as specified, please contact us for further technical support. You may email us any time, or call between 8:00 am and 4:00 pm pacific ti...

  • Page 11: Troubleshooting

    11 troubleshooting trou bles ho oting.

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  • Page 14: Addendum

    14 addendum adde nd u m description.......................................................................Qty 2m-1k2 2m high power amplifier ................................................ 1 2m-1k2 operating instructions.................................................... 1 rsp-2400-48 power supply...

  • Page 15: General Specifications

    15 model ...................................... 2m-1k2 frequency range ....................... 144-148 mhz power out ................................. 1250 w pep drive input (max output) ........... 50 w general specifications modes ...................................... Ssb, cw, jt65, fm am duty cy...

  • Page 16: Addendum

    16 addendum adde nd u m wsjt: what is it and how do i get it? Wsjt is a new weak signal mode enhancing communications with signal near or below the audible signal level. The 6m-1k2 amplifier is designed for the 50% duty cycle used in this mode. Wsjt is a free program written by nobel prize winning p...

  • Page 17: Addendum

    17 addendum adde nd u m one last bit of information you will need to get started using eme. Since most signals from the moon are at or below the noise they may not be detectible by the human ear. A chat room has been created to allow you to communicate with others doing eme and find where others are...

  • Page 18: 12 Month Limited Warranty

    18 12 month limited warranty this warranty gives you specific legal rights. You may also have other rights which will vary from state to state or province to province. M2 warrants the 2m-1k2 amplifier against defects in material and workmanship for a period of 12 months from date of purchase. During...

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