Informações do equipamento

Icom IC-701 Transceiver
Fabricante:
Icom
Modelo: IC-701
Data:
Categoria: Rádio Comunicação,
Grupo: Transceiver
Descrição: HF ALL BAND ALL SOLID STATE TRANSCEIVER
Informações:

ALL BAND, ALL MODE, ALL SOLID STATE The IC-701 covers all the Amateur HF frequencies from 1.8MHz to 29.999.9MHz plus 15MHz WWV. It offers not only SSB, but also CW and RTTY. All of the circuits in the IC-701, including the driver and final power stages are completely solid state, and provide about 100 Watts output. COMPUTER COMPATIBLE TUNING SYSTEM The local Oscillator circuit (VFO) employs a C-MOS LSI for the PLL that has been custom-made on the basis of ICOM's advanced digital technology. The VFO circuit is a digital PLL circuit that controls frequency determination by pulses produced by the tuning control. Unlike conventional PLLs, it controls the VCO by combining and dividing crystal Oscillator frequencies. Therefore, its stability is much higher than conventional VFOs. In addition, the pulse control system makes it possible to set and change frequencies with external digital signals. With a computer programmed and connected to the rear accessory socket, you can easily control frequencies, change bands, scan, on the IC-701. This system will give you the maximum of performance and versatility. Dual DIGITAL VFO'S The IC-701 contains two built-in digital VFO's located in ICOM's custom LSI, providing the ultimate in versitility. DIGITAL READOUT AND FULL METERING The frequency is presented in bright easy to read LEDs, with no backlash or waiting time. The mulit-function meter shows you relative signal strength in receive, power output, ALC, SWR, compression level, final transistor voltage and current. All the important information you need to know. PASS BAND TUNING AND SPEECH PROCESSOR The IC-701 has a built-in Pass Band Tuning system developed by Icom that allows you to continuously adjust the pass band of the IF. By turning the control, you can eliminate interference from a nearby signal, thus providing clear reception. It can also be used as a tone control. During transmit, the Pass Band Tuning circuit can be used as a Speech Processor providing increased “talk power" for outstanding DXing. OUTSTANDING PERFORMANCE The RF Amplifier circuit using MOS FETs, the Schottky barrier diode balanced mixer and Other circuits provide excellent Cross Modulation and Two-Signal Selectivity characteristics. The IC-701 has excellent sensitivity demanded especially for mobile operation, high stability, and with two Crystal Filters having high shape factors, exceptional selectivity. The Same Schottky diode mixer is used in the Transmitter, and, with the band pass filter and high performance K-Constant two stage low-pass filter, ensures transmission of pure signals with very low spurious emission. ADDITIONAL CIRCUITS The IC-701 has a built-in Noise Blanker, VOX, an Auto Dimmer for control of the readout and meter illumination, CW Monitor, APC, SWR detector, and many Other circuits for your convenience. The IC-701 has everything you need to really enjoy HF operation, in an extremely compact, rugged Transceiver.

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Tipo manual: Serviço e Manual do Usuário Icom-7463-Manual-Page-1-Picture
Páginas: 51
Tamanho: 6.03 Mbytes (6321977 Bytes)
Língua: Inglês
Revisão:
Manual-ID/número:
Data:
Qualidade: Documento Scaned, a leitura parcialmente mal, não parcialmente legível.
Upload de data:
MD5: ae807cdb739070735709161759b624e5
Downloads: 238 desde 06 Janeiro 2016
Informações:

SECTION 1 SPECIFICATIONS ... 1 SECTION 2 FEATURES ... 2 SECTION 3 INSTALLATION ... 3 SECTION 4 OPERATING CONTROLS ... 6 4-1 FRONT PANEL ... 6 4-2 CONTROLS UNDER ACCESS COVER ... 9 4-3 REAR PANEL CONNECTIONS ... 10 SECTION 5 OPERATING INSTRUCTIONS ... 11 5-1 HOW TO TUNE ... 11 5-2 SSB OPERATION ... 13 5-3 CW OPERATION ... 15 5-4 RTTY OPERATION ... 15 5-5 Other OPERATIONS ... 17 SECTION 6 THEORY ... 20 6-1 RECEIVER ... 20 6-2 TRANSMITTER ... 23 6-3 PLL (Phase Locked Loop) UNIT ... 26 6-4 DRIVER UNIT ... 28 6-5 POWER UNIT ... 32 6-6 Other CIRCUITRY ... 32 SECTION 7 MAINTENANCE AND ADJUSTMENT ... 34 7-1 MEASURING INSTRUMENTS REQUIRED FOR ADJUSTMENT ... 34 7-2 Receiver ADJUSTMENT ... 34 7-3 Transmitter ADJUSTMENT ... 36 7-4 PLL UNIT ADJUSTMENT ... 38 SECTION 8 TROUBLESHOOTING ... 40 SECTION 9 INSIDE VIEW ... 42 SECTION 10 VOLTAGE CHARTS ... 44 SECTION 11 BLOCK DIAGRAM ... 48

Icom-7463-Manual-Page-1-Picture


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