FRIENDCOM FC-302 Скачать руководство пользователя страница 5

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Shenzhen Friendcom Technology Development Co., Ltd.

Receiver Specification

RX Sensitivity (12dB SINAD)

＜

-119dBm Extreme

＜

-115dBm

ACS

＞

70dB

Image Rejection

＞

70dB

IF Rejection

＞

70dB

Spurious Rejection

＞

70dB

Intermodulation Suppression

＞

65dB

Conducted Spurious Emission

＜

-57dBm

Receiving Audio Distortion

＜

RX SNR

6.25KHz Channel Spacing

＞

30dB

12.5KHz Channel Spacing

＞

40dB

Audio Output Power

0.5W @ 8Ωload

3 Interfaces

the Radio

DB-15 are our basic interfaces of FC-302 radio.
DB15 have two kinds of Pin definition, standard interface and data transmission interface. We

provide three kinds of interfaces for each requirement in all.

Standard DB15 interface

Содержание FC-302

Страница 1: ...er Manual Address 6 F 17 Building Guangqian Industrial Park Longzhu Road Xili Town Nanshan Shenzhen China Tel 86 755 86026600 86 755 23230518 Fax 86 755 86026300 E mail support friendcom com Website h...

Страница 2: ...sion 7 3 3 Modem Option for Data Communication 7 4 Application Instruction 8 4 1 Hardware Installation 8 4 2 Operation Instruction 10 5 Maintenance and Repair 18 5 1 Dimensions 18 5 2 Removing Replaci...

Страница 3: ...ension and wide range DC support make it flexible to use Features CE FCC AS NZS 4295 2004 certified Programmable 16 channels with Dip Switch Configurable power save feature Optional external channel c...

Страница 4: ...ower 1A TX to RX Attack Time 5ms RX to TX attack time 5ms Frequency Error 2 5ppm Antenna Connector BNC 50 External interface DB15 optionalmale interface Transmitter Specification RF Power 6 25KHz Chan...

Страница 5: ...ion 65dB Conducted Spurious Emission 57dBm Receiving Audio Distortion 5 RX SNR 6 25KHz Channel Spacing 30dB 12 5KHz Channel Spacing 40dB Audio Output Power 0 5W 8 load 3 Interfaces of the Radio DB 15...

Страница 6: ...n of CON 14 FEMALE is related with internal devices Modem board or Bridge board Refer to Table 1 Table 1 Internal bridge Internal modem CON 14 PIN1 TFSK GND CON 14 PIN2 RXD RADIO RXD MODEM CON 14 PIN3...

Страница 7: ...ier high level no carrier This line has a pull up to 5V Also able to work as simulated serial and data transmission port MIC IN 7 Microphones input Can directly connect to electrets MIC the DC voltage...

Страница 8: ...pin should lower than 3 5V then MIC transmission can be activated SWITCH 8 Control output 5V high level output when active Also able to work as simulated serial and data transmission port SPK 9 Audio...

Страница 9: ...Functions of PC Personal Computer software hereafter called FC 302 QuickSet v0 1 12 will be illustrated Main goal of this instruction is to save time for user by supporting exact usage of the softwar...

Страница 10: ...ecting to Data Radio Connection between the PC and the radio for parameter setting The programming kit is used for connection as shown below No Descriptions 1 DB15 connector Connected radio with the p...

Страница 11: ...tem option such as selection of squelch type data value setting for power saving mode Tx time out time scan option and modem speed is detailed 4 2 1 Overall View Pin 6 BUSY and Pin 8 Switch of DB15 co...

Страница 12: ...Shenzhen Friendcom Technology Development Co Ltd 11 First of all open the con port The CON port is with characteristics of 9600bps 8N1 and click Open as picture shows...

Страница 13: ...n tool bar for a second message for function indication is displayed Power on the radio after 5 seconds click on the Read establish the communication with PC and radio As the following picture Warning...

Страница 14: ...2 2 Input Channel Data In this option part user can input channel selection from 1 to 16 Rx Tx frequency Rx Tx tone option such as CTCSS DCS power switch and make SCAN list and choose bandwidth Narrow...

Страница 15: ...25KHz Narrow or 12 5KHz Wide channel spacing 4 2 2 3 SQ level Five SQ levels can be select in our radio Level 0 is for fully open mute The audio signal will continuously transmit Other levels with co...

Страница 16: ...will start to detect channels and stay on each channel for at least 100ms according to the established scan sequence If a signal or conversation is detected on any channels in scan list the radio wil...

Страница 17: ...timeout radio will release PTT pinout If user want to transmit again he or she have to wait delay time set by stop when timeout after the radio released PTT 4 2 3 3 3 De emphasis Volume FC 302 radio o...

Страница 18: ...Detect Busy Signal This feature is to set active level of BUSY Pin high or low The status is transferred to user for the connection with external devices 4 2 3 4 Third Column Features 4 2 4 4 1 Audio...

Страница 19: ...enabled radio will scan the prioritized channel with more times Prioritized channel is the working channel before the scan For example if prioritized channel is CH10 and initial channel is CH8 then t...

Страница 20: ...radio To replace the Upper Cover 1 Reserve the steps taken to remove the Upper Cover Fig 19 Upper Cover Removal 5 3 Removing Replacing the Power Board Modem Board Shield Plate Removing the Power Board...

Страница 21: ...21 Shield Plate Assembly Removal 5 4 Removing Replacing the Main Board 1 Remove the Upper Cover refer to Removing Replacing the Upper Cover 2 Remove the Power board Modem Board Shield Plate refer to...

Страница 22: ...Shenzhen Friendcom Technology Development Co Ltd 21 Fig 21 Main Board Removal 5 5 Repairable Replaceable Parts List Fig 22 Exploded View...

Страница 23: ...Shenzhen Friendcom Technology Development Co Ltd 22 6 Accessories Available Please contact the Friendcom sales team for accessory information sales friendcom com Tel 86 755 23230544...

Страница 24: ...d to calibrate the data deviation The center frequency calibration is only necessary when the modem adopts DC coupling Debug wiring diagram Figure T1 Send the AT command by PC to activate the modem la...

Страница 25: ...sed for deviation adjustment of the GMSK modem AT TEST CODE01 r send code 01 AT TEST EXIT r Quit from test AT WORKMODE r Data rate query AT WORKMODE M9600 r As for GMSK modem the radio need to be prog...

Страница 26: ...ch is connected between the STS Pin 12 and GND Close the SW in 30 seconds after the radio is powered up Then the radio starts to transmit User adjust the frequency deviation to 3 3 3 5KHz by adjusting...

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FRIENDCOM FC-302, Руководство пользователя

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