TM8250 - špecifikácia
Sumarizácia vlastností, špecifikácie vysielača a prijímača vozidlovej rádiostanice TM8250. |
 |
| General |
|
| Frequency Range |
66-88MHz
136-174MHz
216-266MHz
400-470MHz
450-530MHz |
| Frequency Stability |
+/- 1.5ppm Above 100MHz
+/- 1.5ppm Below 100MHz |
| Channel Capacity |
1500 Conventional Channels
(300 Scan/Vote Groups) |
| Power Supply |
10.8-16VDC |
| Channel Spacing |
12.5/20/25kHz |
| Dimensions (LxWxH) |
228 x 205 x 70mm (radio body and control head)
8.98 x 8.07 x 2.75 inches |
| Weight |
1.5kg |
| Operational Temperature |
-30°C to +60°C
-22°F to +140°F |
| Sealing |
Passes dust and rain testing to IP54 |
MIL-STD 810C,D,E & F
Low Pressure
High Temperature
Low Temperature
Temperature Shock
Solar Radiation
Rain
Humidity
Salt Fog
Dust
Vibration
Shock
|
Method
500.4
501.4
502.4
503.4
505.4
506.4
507.4
509.4
510.4
514.5
516.5
|
Procedure
1
1 & 2
1 & 2
1
1
3
1
1
1
1
1 & 5
|
|
| RF Connector |
50 Ohm BNC |
| Interface Connectors |
3 Interface Connectors with Serial Ports |
|
|
| Transmitter |
|
| Output Power |
1,5,10,25W |
| Modulation Limiting |
<+/-2.5kHz 12.5kHz
<+/-4kHz 20kHz
<+/-5kHz 25kHz |
| FM Hum and Noise |
>38dB 12.5kHz
>41dB 20kHz
>43dB 25kHz |
| Conducted/Radiated Emissions |
<-36dBm to 1GHz
<-30dBm 1-4GHz below 500MHz
<-30dBm 1-12.75GHz above 500MHz |
| Audio Response |
300Hz-3kHz
Flat or pre-emphasised |
| Audio Distortion |
< 3% at 1 kHz 60% mod |
| Transmit Rise Time |
<10mS |
Duty Cycle
|
33% at 25W |
| Receiver |
|
| Sensitivity |
<-118dBm for 12dB SINAD |
| Intermodulation |
>67dB ETS/>75dB EIA |
| Selectivity |
>65dB 12.5kHz
>70dB 20kHz
>75dB 25kHz |
| Spurious Responses |
>72dB |
| Audio Distortion |
<3% at 1kHz 60% modulation |
| Hum and Noise |
>40dB 12.5kHz
>41dB 20kHz
>43dB 25kHz |
| Audio Response |
300-3kHz
Flat or de-emphasis |
