Vertex Standard FT-2800M Specifikace stáhnout pdf

September 2010 39

PRODUCT REVIEW

Mark J. Wilson, K1RO



Product Review Editor



[email protected]

Bottom Line

Key Measurements

Summary

Reviewed by Howard Robins, W1HSR

ARRL Contributing Editor

The FT-2900R is very similar to the FT-

2800M and replaces it in the Yaesu Amateur

Radio product lineup.

At first glance the

most significant difference is increased high

power from 65 to 75 W. On the front panel,

the positions of the

POWER

and

WIRES

but-

tons have been swapped, the stenciling on

some of the other buttons has changed and

the front panel lines are a bit smoother. When

I compared the manuals for both radios, how-

ever, I discovered that the FT-2900R manual

had 30 more pages. So, there is a bit more to

the new rig that is not so obvious and some

neat features have been added.

Physical Description

As with other Yaesu mobile transceivers,

the FT-2900R is built on a massive cast alumi-

num heat sink and does not use a cooling fan.

There is nothing dainty about this radio, and

I would bet that it could be driven over and

never skip a beat. Normally, I would be cau-

tious not to drop a delicate instrument for fear

of damaging it. If I dropped the FT-2900R on

my ceramic tile floor, I think the floor would

Yaesu FT-2900R 2 Meter FM Transceiver

be the loser. I have been using an FT-2800M to

send APRS weather beacons every 10 minutes

for more than two years and it keeps on going.

These are very rugged radios.

The front panel has a large six digit liq-

uid crystal display (LCD) with controllable

backlighting. There are three knobs —

VOL-

UME

and

SQUELCH

on the left and the

MAIN

TUNING

dial on the right. Six push buttons

—

POWER

WIRES/LOCK

SET/MHz

DW/

REVERSE

A/N/LOW

and

MW/D/MR

are below

the display. It’s obvious what several of these

controls are used for. I will explain the less

obvious ones in this review by example. I

have used radios with more cryptic labeling.

The rear panel SO-239 RF connector is

recessed and partly shrouded by an extended

part of the cast aluminum body. The external

speaker jack is recessed in the lower left cor-

ner next to the power pigtail. Note that there

is no data port on this radio. You would need

to use the external speaker and mic jacks to

interface with your TNC or other data device

and adjust the squelch and volume levels

accordingly.

There is a bottom-firing internal speaker

that sounds crisp and loud enough to me.

Lab testing showed plenty of audio output

— nearly 4 W. The mic is the MH-48 with

keypad that comes packed with most new

Yaesu VHF radios. This mic permits users

to safely control many of the FT-2900R’s

features and functions and uses an RJ-45

connector.

Sturdy and powerful, the FT-2900R

has all of the features we’ve come to

expect in a 2 meter transceiver and

adds some useful new ones.

J. Carcia, NJ1Q, “Yaesu FT-2800M 2-Meter

FM Transceiver,” Product Review, QST,

Jun 2003, pp 63-65. Past QST reviews

are available to ARRL members at

www.arrl.org/product-review.

Measurement noise limited

at value shown.

Key:

pr050

250

T-R

Tx-Rx Turnaround Time (ms)

116

1 4

Snd

3.8

Audio Output (W)

60 120

Img

Image Rejection (dB)

135

101

IF Rejection (dB)

ChRej

Adjacent Channel Rejection (dB)



67@20 kHz

Receiver 3rd-Order Dynamic Range (dB)



89@10 MHz

9060

Receiver 3rd-Order Dynamic Range (dB)

0.25

0.1

SINAD

0.2

Receiver Sensitivity (12dB SINAD, µV)

www.rv3apm.com/rxdx.html

1 2 3 4 5 6 7

Shrnutí obsahu

Strany 1 - PRODUCT REVIEW

September 2010 39PRODUCT REVIEWMark J. Wilson, K1RO  Product Review Editor  [email protected] LineKey Measurements SummaryReviewed by Howar

Strany 2 - Memory Bank Operation

40 September 2010 ProgrammingYaesu offers an optional USB cable and Windows software for programming chan-nels and settings on this radio (par

Strany 3 - Bottom Line

September 2010 41Internet Repeater Enhancement System) capability. These features were described in the May 2010 review of the FT-1900R.2

Strany 4 - Software

42 September 2010 board as shown in the lead photo. The ex-ternal connections include a BNC antenna jack, an SMA jack for optional ext

Strany 5 - Using the Software

September 2010 43The QS1R, Contesters and Skimmer ServerPete Smith, N4ZRI suppose there may still be some active Amateur Radio operators who ha

Strany 6 - Conclusions

44 September 2010 configuration. It also detects the desired audio channel. The SDRMAX-II program is the one you work with directly with th

Strany 7 - CC User DX Cluster Client

50 September 2010 When someone gushes about a piece of Amateur Radio software and ends the excited tale by saying, “And it’s free, too

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