[Amps] New Handy Amp

[Hsu]

That is a inteesting design, it using inexpensive switching MOS FET.
 I have used 2SK428 built  10m amplifier, working great.
I guess it is transformerless design, power supply from AC main direct.
     73!Hsu

 
----- Original Message ----- 
From: "Henk Remijn PA5KT" <pa5kt at remijn.net>
To: "Hsu" <hsu4qro at gmail.com>
Cc: "Tack Kumagai" <je1cka at chofu.jaxa.jp>; <amps at contesting.com>
Sent: Monday, June 07, 2010 10:13 PM
Subject: Re: [Amps] New Handy Amp


> ２ＳＫ２４８２ ×６
> 
> Hsu schreef:
>> What RF  power devices using?
>> ----- Original Message ----- 
>> From: "Tack Kumagai" <je1cka at chofu.jaxa.jp>
>> To: <amps at contesting.com>
>> Sent: Monday, June 07, 2010 3:51 PM
>> Subject: [Amps] New Handy Amp
>>
>>
>>   
>>> Hi all
>>>
>>> Thamway announces the new small amp "DXV500Z"
>>> Unfortunately the introduction was written in Japanese.
>>> http://www.thamway.co.jp/ham/ham_00.html
>>>
>>> It's read as;
>>> size is same as DXV500L listed below
>>> (W202xH101xD303mm)
>>> Primary ACV: 100-230V
>>> Power Out: 1.8-7MHz:500w+, 10-18MHz:350w, 21-28MHz:300w
>>> Weight: 8Kg
>>>
>>> They has Transless amp DXV500L.
>>> 500w out on 160/80/40m
>>> Weight: 4.4kg
>>> Primary ACV: 100Vonly
>>> You can view the inside
>>> http://www.enec.jp/amp/
>>> ---------
>>> Tack Kumagai JE1CKA/KH0AM
>>> JE1CKA <je1cka at gmai.com>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>     
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>>   
> 
> 
> -- 
> Henk Remijn PA5KT
> email: pa5kt at remijn.net
> www: www.remijn.net
>