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

[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
>>
>>
>>
>> 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:
>>
>>
>>   - 	-
>>
>>
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>>       
>
>
>
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