ARLA/CLUSTER: Destaque para algumas características técnicas do novo "Icom’s 50th Anniversary IC-7850" com só 150 unidades produzidas

[João Costa > CT1FBF]

Icom’s 50th Anniversary IC-7850

The first consignment of the special 50th Anniversary *IC-7850* arrived in
the UK recently. This limited edition, hand built transceiver was made in
very limited numbers to commemorate Icom's 50th anniversary. All were pre
sold to a lucky and very exclusive few.

With its distinctive gold accents and a commemorative panel signed by Mr
Inoue himself, only 150 IC-7850 have been built for the global market and
all are numbered to certify authenticity.

*Dave Stockley*, founder and chairman of Icom UK is one of the lucky few to
own a IC-7850 having traded up from his well loved IC-7800, look out for a
review on Dave’s own personal radio in the near future,

The radio features include an optimized roofing filter, new local
oscillator (LO) design, improved phase noise and enhanced spectrum scope.

Other features to improve HF operation include a 1.2kHz optimized roofing
filter that improves in-band adjacent signal performance. For the
transceiver's Local Oscillator (LO), Icom has broken with tradition and
employed a Direct Digital Synthesizer (DDS) along with the Phase Locked
Oscillator. This new LO design sets a new touchstone for phase noise with
-150dBc/Hz at 10kHz offset (and -140dBc/Hz at 1kHz offset).

The IC-7850 also features a high-resolution spectrum waterfall function as
well as an enhanced spectrum scope that can be operated with PC mouse via a
USB port. A dual scope function shows simultaneous activity in both bands
which is convenient when searching a sub-band and maintaining a run
frequency on the main band.
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