Ritron RIT17-445 用户手册

 

 

25 kHz Wide band    

12.5 kHz Narrow band  

Sensitivity (12 dB SINAD): 

0.25 µV 

0.25 µV  

-67 dB 

-60 dB  

Spurious rejection: 

-70 dB 

-70 dB 

 
Image rejection: 

-75 dB 

-75 dB 

 
Intermodulation: 

-67 dB 

-67 dB 

 
FM hum and noise: 

-43 dB 

-37 dB 

 
Conducted spurious: 

-57 dBm 

-57 dBm 

 
Receiver attack time (TX to RX):   < 10 ms 

 < 10 ms 

 
Noise squelch attack time: 

 < 15 ms 

 < 15 ms 

   (for 20 dB quieting) 
RSSI squelch attack time: 

 < 5 ms 

< 5 ms 

 
RSSI squelch sensitivity: 

PC adjustable; factory set for –106 dBm 

 
Noise squelch sensitivity: 

PC adjustable; factory set for –121 dBm 

 
AUX OUT frequency response: 

12 - 2500 Hz @ +1 / -3 dB 

AUX OUT level range: 

0 to 3 Volts peak-to-peak 

 
Audio Speaker Output 

>700 mW into 8 

Ω, with less than 5 % THD ( 0 to 2.5 Vrms) 

Audio Speaker freq response: 

de-emphasized 6 dB/octave from 400 to 2500 Hz 

RF Power Output: 

2.0 watts @ 12.5 VDC < .9 A 

 

8.0 watts @ 12.5 VDC < 1.8 A 

 

10.0 watts @ 14 VDC < 1.8 A 

 

 

Voice Emission Designator: 15K0F3E 

 

 

10K0F3E 

 
Data Emissions Designator for external modem:  

 

9K8F1D 

 
Deviation: 

+/- 5.00 kHz 

   

+/- 2.50 kHz 

 

 

Transmitter attack time: 

< 10 ms 

   

< 10 ms 

 
FM Hum and Noise: 

-45 dB 

   

-40 dB 

 
Audio Distortion: 

< 5 % 

   

< 5 % 

 
Spurious and Harmonics: -25 

dBm 

max 

 
Aux In frequency response: 

8 Hz to 2500 Hz @ +1 / -3 dB 

Aux In level range: 

0.1 to 5 V peak-to-peak 

 
Microphone freq response: 

pre-emphasized 6 dB/octave from 300 to 2500 Hz 

Microphone level: 

25 mV rms for nominal +/- 3 kHz deviation on wideband channel 

 
 
 

 

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