‰  NOW 35 WPM  ‰  TEXT IS FROM JUNE 2017 QST  PAGE 51‰

PRODUCT REVIEW YAESU FT 891 HF AND 6 METER TRANSCEIVER A COMPACT
TRANSCEIVER ESPECIALLY ORIENTED TO MOBILE AND PORTABLE OPERATORS.  REVIEWED
BY JOEL R.  HALLAS, W1ZR QST CONTRIBUTING EDITOR W1ZR ARRL.  ORG THE FT 891
IS A 100 W 160 6 METER SSB, CW, AM, FM, AND DATA MODE TRANSCEIVER THAT
INCLUDES A GENERAL COVERAGE RECEIVER WITH RESPONSE FROM 100 KHZ TO AND 74
MHZ.  THE PREVIOUS GENERATION YAESU COMPACT 100 W TRANSCEIVERS INCLUDED TWO
DISTINCT MODELS WITH SIMILAR ARCHITECTURES BUT DIFFERENT FORM FACTORS.  THE
FT 857D STILL AVAILABLE AT THE TIME OF THIS WRITING WAS DESIGNED ESPECIALLY
FOR MOBILE OPERATION, WHILE THE FT 897D, WITH ITS PROVISION FOR AN INTERNAL
BATTERY PACK, WAS MORE ORIENTED FOR PORTABLE OPERATION.  OF COURSE, EITHER
RADIO COULD BE ADAPTED TO EITHER ROLE, AND BOTH HAVE ALSO SERVED AS COMPACT
HOME STATIONS.  THE FT 891 HAS DIMENSIONS THAT ARE ALMOST IDENTICAL TO
THOSE OF THE FT 857D JUST 0R6 INCHES SHORTER, SO A COMPARISON IS PERHAPS
APPROPRIATE.  THE FT 891 ADDS IF DIGITAL SIGNAL PROCESSING DSP WITH
VARIABLE WIDTH FILTERS FOR ALL MODES, IN PLACE OF THE TWO SLOTS FOR
OPTIONAL CRYSTAL FILTERS IN THE 857D.  THE DSP ALSO PROVIDES AUTOMATIC
NOTCHING, PEAKING, AND NOISE REJECTION.  A NEW 3 KHZ WIDE ROOFING FILTER IN
THE FIRST IF IMPROVES DYNAMIC RANGE ON CW, SSB, AND DATA MODES.  A SPECTRUM
DISPLAY PANADAPTER THAT TIMESHARES THE RECEIVER WITH NORMAL AUDIO
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