RECEPTORES PARA RÁDIO ESCUTA:

Quando se fala em receptor sempre pensamos qual é o melhor !. melhor é o mais caro ?
Existem vários modelos cada qual com suas características , seja ele digital ou analógico .
existem no mercado varias marcas e modelos , entre os quais eu posso citar a Sony ,Grunding ,Sengean que são receptores considerados portáteis. Há também os receptores de mesa profissionais e semi- profissionais entre os quais eu posso citar a kenwood , drake ,Yaesu, JRC.
Todo bom dexista sempre sonhou em ter um bom receptor digital que ofereça boas escutas .

A seguir alguns receptores e suas principais características

 

Sony ICF 7600G

Receptor portatil da Sony, possue excelente desempenho em todas as faixas,
possue detetor sincrono selecionável para modo AM, o melhor em sua faixa
de preço entre os modelos portateis.

Especificações Técnicas :
FM stereo somente com fones
passo de frequência e de 9/10 em AM e de 1 e 5 KHz
Faixa de Freqüência 150-29999 kHz + 76-108 MHz
Recebe nos modos AM/AM-SYNC/FM/USB/LSB/CW
Alimentação 4 pilhas AA
Freq. Intermediarias primeira FI = 55.845 MHz
segunda FI = 455 kHZ
Detetor Sincrono Selecionável para AM
22 Memories
1 Clock
2 Timmer
Dial Light
1 Modo de Scan
Saida de Aúdio 400 mW
Saída de gravação 245mV a 10 kohm
Dimensões larg 19 cm x alt 11 cm x prof 3 cm
Peso 615 g

MODEL: ATS 909
306 MEMORIES
261 Short Wave Frequencies on 29 separate pages, preprogramming at our factory with the world's most popular shortwave stations, allowing instant access to the world of shortwave listening. 18 AM stations on 2 separate pages for your favorite AM listening. 18 FM stations on 2 pages for your favorite FM listening. 9 LW station on 1 page. Of course you can easily add or change stations at any time. FULL RDS RECEPTION
Displays station call letters and correct time for any station transmitting an RDS signal.
DIRECT KEY
Recall your favorite station from anywhere by just pushing one button. 
WIDE/NARROW FILTER
Reduces adjacent station interference 
AM/FM STEREO/ SW CONTINUOUS COVERAGE BATTERY & SIGNAL STRENGTH INDICATOR 
5 TUNING METHODS
Direct Frequency Input using key pad
Auto-Scanning automatically scans and stops at every station
Manual Scanning
Memory Recall
Rotary Tuning 9KHZ/10KHZ SWITCH
Allows correct frequency indication for overseas reception 
LCD DISPLAY
Light remains on for 12 seconds or continuously when AC adapter is used. 
ATS AUTO-TUNE SYSTEM
Automatically searches & presets all your memory channels on LW/AM/FM based upon signal strength of the stations LOCK SWITCH
Locks all functions to prevent accidental altering. Each stations may also be locked individually. 
AUTO SW SEARCH
Automatically selects strongest SW station on each SW page. SEPARATE AUDIO RECORDER OUTPUT & STAND-BY CONTROL JACKS
Allows user to program tape recorder to turn on at 3 different times. 
MONO/STEREO SELECTOR SWITCH
Stereo icon appears in display when headphones are connected. TONE CONTROL 
MANUAL ALPHANUMERIC EDITING
Allows user to insert any 8 alphanumeric characters in display for station identification. PRESET SWITCH
Resets the time and microprocessor only. All memory presets remain intact. 
SINGLE SIDE BAND RECEPTION
True LSB/USB selection with variable tuning down to 40HZ fine tuning. DAYLIGHT SAVINGS TIME SWITCH
Single switch changes all times automatically to DST eliminating necessity to reprogram all times in receiver. 
RF GAIN CONTROL
Controls gain of incoming signal to reduce adjacent station interference 3 INDIVIDUAL TIMERS
Allows user to set wake up radio or buzzer to 3 different & independent items. Each time can use a different station. 
42 WORLD CITY TIMES
Instantly displays preprogrammed time in 42 world cities. Also allows user to program additional cities.
ADJUSTABLE SLEEP TIMER
Adjustable from 90 minutes to 10 minutes 
DUAL TIME SYSTEM
Allows monitoring of Real Time and any additional world time zone simultaneously. INCLUDE AC ADAPTER ANT-60 PORTABLE ANTENNA 
SELECTABLE MANUAL TUNE STEPS
Allows tuning steps from 100kHz down to 40kHz. SIZE IN INCHES:
8 1/4W x 5.0H x 1 1/2D
WEIGHT: 30 oz
BATTERIES: 4 x 1.5 Volt (AA)
FUNCTION ICON LCD DISPLAY
Displays shows all features selected and active.

Kenwood R-5000 Receptor de comunicações


Kenwood R-1000


General Coverage Communications Receiver Rating (1-5)
Made In: Japan 1979-1985 Voltages: 100/120/220/240 VAC
Coverage: 200-30000 kHz Readout: Digital Phos. 1.
Modes: AM/USB/LSB/CW Selectivity: 12/6/2.7 kHz
Circuit: Double Conversion Physical: 12.8x4.5x8.6" 12 Lbs.
Features: ¼" Head. Jack, S-Meter, Attenuator, Tone, NB, Mute Terminals, Record Jack, Recorder Activation Jack, 12 Hour Clock-Timer, Tilt-Carry Handle, Dimmer.
Accessories: DCK-1 12 VDC Kit, SP-100 Speaker (shown).
New Price: $430-499 Used Price: $270-280
Comments: A solid performer and very stable.


Kenwood R-2000

 


General Coverage Communications Receiver Rating (1-5): HHHH (4)
Made In: Japan 1983-1992 Voltages: 100/120/220/240 VAC
Coverage: 150-30000 kHz Readout: Digital Phos. 0.1
Modes: AM/FM/USB/LSB/CW Selectivity: 6/2.7/_ kHz
Circuit: Triple Conversion Physical: 14.8x4.5x8.3" 12 Lbs.
Features: ¼" Head. Jack, S-Meter, Attenuator, Tone, NB, Mute Terminals, Record Jack, Dual Clock-Timer, Tilt Bar, Dimmer, 10 Memories, Squelch, Record Activation, Dial Lock, Scan, Sweep, Beep Level Adjust, Carry Handle, Three Tuning Rates.
Accessories: SP-100 Speaker, VC-10 Internal VHF Converter (118-174 MHz), YG-455C 500 Hz Filter, DCK-1 12 VDC Kit.
New Price: $499-699 Used Price: $370-420
Comments: A good value. The keys marked Ø through 9 are strictly for memory recall. They are not for frequency input.