Re: ARLA/CLUSTER: Transceptor chines de HF KN-920 (até 20W)

[TUXA]

Boa noite

É um belo exemplar de QRP, se atendermos aos preços na casa dos trezentos e
poucos dólares. Já estou a equacionar a coisa ... eheheh

73, Luis
CT1GUJ


2013/11/6 pedro almeida <pedrocalixto80  gmail.com>

> Pedro CT7AHV,
> se fizeres uma pesquisa pela net encontras sempre a mesma referencia
> "The radio is targeted to QRP operators, as the maximum output of 10 Watts
> (can be configured up to 20 Watts)."
> Ou seja teem outro mercado em vista.
>
>
>
> *Pedro Almeida      CT5JZX*
> * NRA: PN063*
>
>
> 2013/11/6 <pedro_transistor  sapo.pt>
>
>  Os chineses fabricam montes de transístores de potência para RF e não os
>> sabem aplicar nos próprios rádios?
>> Não fazer TX em AM tolera-se, agora só 10W de emissão? Nem que custe só
>> 100?...
>>
>> 73 de CT7AHV
>>
>>
>> Quoting pmafer <pmafer  gmail.com>:
>>
>> Não tem tx em AM, portanto não interessa...
>>
>>
>> On Wed, Nov 6, 2013 at 1:37 PM, João Costa > CT1FBF <ct1fbf  gmail.com>wrote:
>>
>>>   KN-920 [image: A picture of KN-920] SPECIFICATIONS  *GENERAL*  *Type:* Amateur
>>> HF transceiver  *Frequency range:* *TX: 10-80 m + WARC*
>>> 3.500-3.999 MHz
>>> 7.000-7.300 MHz
>>> 10.100-10.150 MHz
>>> 14.000-14.350 MHz
>>> 18.068-18.168 MHz
>>> 21.000-21.450 MHz
>>> 24.890-24.990 MHz
>>> 28.000-29.700 MHz
>>> *RX: 0.03-30 MHz*  *Tuning steps:* ? KHz  *Mode:* TX: FM/SSB/CW
>>> RX: AM/FM/SSB/CW  *Memory channels:* 100 regular  *Power supply:* 13.8
>>> VDC  *Current drain/power consumption:* RX: 700 mA
>>> TX: Max 4 A  *Antenna impedance/connector:* 50 ohms / SO-239  *Dimensions
>>> (W*H*D):* 230*90*230 mm  *Weight:* 3.5 Kg  *Other features:* SWR-meter.
>>> USB conector. Built-in keyer and ATU            *RECEIVER SECTION*  *Receiver
>>> system:* *Double conversion superheterodyne (AM/SSB/CW)*
>>> 1st IF: 45 MHz
>>> 2nd IF: 12 MHz
>>> *Triple conversion superheterodyne (FM)*
>>> 1st IF: 45 MHz
>>> 2nd IF: 12 MHz
>>> 3rd IF: 455 KHz  *Sensitivity:* AM: 1 uV (10 dB S/N)
>>> FM: 0.2 uV (12 dB SINAD)
>>> SSB/CW: 0.2 uV (10 dB S/N)  *Selectivity:* AM: 6 KHz (-6 dB)
>>> SSB: 2.4 KHz (-6 dB), 3.6 KHz (-40 dB)  *Image rejection:* 70 dB  *AF
>>> output power/speaker:* ? W at ?% distortion / ? ohms  *External speaker
>>> connector:*              *TRANSMITTER SECTION*  *RF output power:* 1-10
>>> W (Can be modified to max 20 W)  *Modulation system:*    *Max FM
>>> deviation:* ±? KHz  *Spurious emissions:* Less than -? dB  *Microphone
>>> connector/impedance:* 8-pin / ? ohms            *MISCELLANEOUS*
>>> *Manufactured:* China, 2013-201x  *Additional info:*    *Related
>>> documents:*    *Modifications:*    *Options/Accessories:*   - -    [image:
>>> A rear picture of KN-920]
>>> _______________________________________________
>>> CLUSTER mailing list
>>> CLUSTER  radio-amador.net
>>> http://radio-amador.net/cgi-bin/mailman/listinfo/cluster
>>>
>>
>>
>>
>>
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>
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