Руководство Пользователя для Ritron j-u410

 

5 

  

Receiver physical dimensions 7.0”H 

x 

5.0”W x 3.0”D 

Receiver enclosure material 

Valox

® Thermo-plastic 

Receiver color 

Gray (RAL# 7035) 

Receiver weight 

1 lb. 15 oz. (with AFB-1545 antenna and BP-LM9 battery) 

Receiver mounting 

top and bottom aluminum bracket 

Receiver environmental 

indoor use only 

Audio output connector 

RCA phono jack 

DC power connector 

2.1mm coaxial DC jack (size M) 

Antenna connector 

50

Ω BNC  

Antenna 

AFB-1545 dual-band (150-170 MHz, 450-470 MHz) 

Selective signaling decode capability 

• CTCSS (Quiet Call) 

 

• Digital Coded Squelch (Digital Quiet Call) 

 

• Selcall ID 

 

• 2-Tone Paging Decode 

Noise squelch sensitivity 

Programmable, factory set for 12 dB SINAD 

Frequency response 

300 - 3000 Hz, de-emphasized 

Receiving System 

Dual conversion superheterodyne 

I.F. System 

1st ........43.65 MHz 

2nd  ...... 450 kHz 

QC/DQC decode time 

per EIA Standards 

2-Tone decode frequency range 

300 – 1500 Hz 

Selcall decode standard 

EEA tone set, 3-7 digits 

 

 

FCC ID 

AIERIT27-450 

AIERIT27-150 

IC ID 

1084A-RIT27450 

1084A-RIT27150 

Frequency range 

450 - 470 MHz 

150 – 165 MHz 

Synthesizer steps 

6.25 kHz 

2.5 kHz 

Frequency stability 

+/-1.5 PPM (-30

° to +60° C) 

+/-2.5 PPM (-30

° to +60° C) 

Modulation acceptance 

wide 

+/- 5.0 kHz 

wide 

+/- 5.0 kHz 

 

narrow 

+/- 3.75 kHz 

narrow 

+/- 3.75 kHz 

Typical sensitivity (12 dB SINAD) 

wide 

0.15 µV (-123 dBm) 

wide 

0.16 µV (-123 dBm) 

 

narrow 

0.19 µV (-121 dBm) 

narrow 

0.18 µV (-122 dBm) 

L.O. Injection 

RX frequency – 43.65 MHz 

RX frequency + 43.65 MHz 

Adjacent Channel (EIA) 

wide 

-70 dB  

wide 

-70 dB 

 

narrow -60 

dB 

narrow -60 

dB 

Spurious rejection 

wide 

-70 dB 

wide 

-70 dB 

 

narrow -60 

dB 

narrow -60 

dB 

Image rejection (EIA) 

wide 

-60 dB 

wide 

-80 dB 

 

narrow -60 

dB 

narrow -80 

dB 

Intermodulation (EIA) 

wide 

-65 dB 

wide 

-65 dB 

 

narrow -65 

dB 

narrow -65 

dB 

QC/DQC decode deviation 

wide 

500 – 850 Hz 

wide 

500 – 850 Hz 

requirement 

narrow 

350 – 500 Hz 

narrow 

350 – 500 Hz 

2-Tone decode deviation 

wide 

2.5 – 3.5 kHz 

wide 

2.5 – 3.5 kHz 

requirement 

narrow 

1.5 – 2.5 kHz 

narrow 

1.5 – 2.5 kHz 

 

 

NOTE:  The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to 

this equipment.  Such modifications could void the user’s authority to operate the equipment.