Informações sobre o equipamento:

Icom IC-245E Amplificador
Fabricante:
Icom
Modelo: IC-245E
Data:
Categoria: Áudio, Vídeo, TV, Multimédia
Grupo: Amplificador
Descrição: 2 Meter FM SSB CW Digital Synthesized Transceive
Informações:
                                    Multi-mode mobile transceiver

The IC-245E provides 144 - 146MHz FM, USB, CW coverage in
the 144 - 146MHz frequency range. Thus the IC-245E can be
used for DX, local calls, and satellite work.

Refined appearance and convenient layout

The knobs are easy to handle, the readout is large and easy
on the eyes due to digit brightness during the day and
automatic dimming in darkness, and the meter is easy to
read. Again, ICOM has produced a set that is as attractive
as it is functional.

A unique C-MOS LSI

The ICOM chip makes the IC-245E a revolutionary transceiver.
This multi-function chip incorporates years of ICOM digital
and PLL technology development. Compact size, dual VFO
performance and an accurate, stable, digitalized frequency
readout are possible due to the chip. Pulses generated by
turning the dial are counted, thus controlling an up/down
counter that controls a programmable divider in the PLL to
change frequencies. Crystal-controlled oscillator-accurate
levels are produced. SSB tuning is 100Hz per vernier
increment and FM is 5KHz per vernier.

Dual VFO’s

Two separate VFO’s can be used either independently or
together for simplex operation, and any desired frequency
split in duplex operation.

Continuous tuning system

ICOM’s new continuous tuning system features an LED display
that follows the tuning knob movement and provides and
extremely accurate readout. Frequencies are displayed in 4
LED digits representing MHz to KHz. 100Hz digits are
represented by each vernier scale mark. Automatic recycling
restarts tuning at the top of the band, i.e., 145.999MHz
when the dial goes below 144.000MHz. Recycling changes
145.999MHz to 144.000MHz as well. Quick tuning in 5KHz steps
is available, and fine tuning in 100Hz steps is provided for
trouble free QSO operation. A click-stop mechanism prevents
knob rotation due to vibration in mobile use.

Excellent performance in operation

Nearby strong signal interference is overcome by a MOSFET RF
amplifier circuit, a specially designed 1st mixer circuit
and the helical cavities used in the IC-245E. These same
elements provide great selectivity for binary signals, and
maintain a high, stable sensitivity. A system of cascaded
filters gives exceptional FM performance, and SSB
performance is insured by a monolithic crystal filter and a
ceramic filter.

The transmitter uses a balanced mixer in a single conversion
system, a band-pass filter and a high-performance low-pass
filter. This system provides distortion-free signals with a
minimum spurious radiation level.

Esses manuais estão disponíveis para o equipamento acima:

Icom -- IC-245E -- Serviço e Manual do Usuário
O nome do arquivo: Icom-5401-Manual-Page-1-Picture
Tipo manual: Serviço e Manual do Usuário
Páginas: 32
Tamanho: 2.98 Mbytes (3120490 Bytes)
Idioma: Inglês
Revisão:
Manual-ID/Number:
Data:
Qualidade: Scaned documento, todas legível.
Envie data:
MD5: 1c12e10b9755bca59a454a136371961c
ed2kID: 1ce11f2e9b425d4a769da2e9057fd846
Downloads: 361 desde 25 Janeiro 2014
Informações:
I	FEATURES
................................................................................1

II
SPECIFICATIONS......................................................................2

III
CONTROLS................................................................................5

IV	INSTALLATION..............................................7

V	INSIDE VIEW
............................................................................11

VI	OTHER
REMARKS....................................................................13

VII
OPERATION..............................................................................13

VIII	CHARTS
....................................................................................17

IX	PARTS LIST
..............................................................................21

X	VOLTAGE
CHARTS.............................................................27

XI	BLOCK
DIAGRAMS..................................................................29
Icom-5401-Manual-Page-1-Picture
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