Futurecom Systems Group ULC. CMDUHF Manuale Utente

                                                                                4                                                  

                                   CMDUHF

Frequency of Operation

                    403 – 406.0  and  406.125 – 512  MHz

Sensitivity

-120 dBm

Input Carrier Detection Threshold

-120  to  -50 dBm

Carrier Detection Threshold Adjustment
Step

.3 dBm

Carrier Detection Attack Time

<

 2 ms

Maximum Gain Range
    (    On  Channel   )

70 to 165 dB
70 to 150 dB

AGC Range

70 dB

AGC Attack Time

<

 1 ms

AGC Decay Time

<

 1 ms

Output Power

1 W  to  35 W

Output Power Tolerance

-0 dB, +1 dB

Duty Cycle

100%

Output Frequency Stability

Tracks Input Signal Frequency

Passband Frequency Stability (Internal
TCXO)

+/- 0.5 ppm

Modulation Types

Narrowband FM Voice and Data

Bandwidth

Application Specific

Selectivity

> 75 dB

Receiver Spurious Response Rejection

>

 75 dB

Receiver Intermodulation

>

 70 dB

Receiver Conducted Spurious Emissions

<

 -57 dBm

Transmitter Conducted Spurious Emissions

<

 -20  dBm and 

<

 -65 dBc

Transmitter FM Hum and Noise

>

 43 dB

Input Impedance

50 Ohms

Output Impedance

50 Ohms

Input VSWR

<

 1.5:1

Output VSWR

<

 1.5:1

Power Supply Voltage

27.6  VDC +10% / -15%

Power Supply Current Drain            Standby
                                                       Transmit

<

0.5 A DC

<

3.7 A DC

RF Connectors

SMA Receptacles

Frequency of Operation

ü

Power

ü

Environmental

90% humidity @
50 

°

C    ( 122

°

F )

Output Power

ü

VSWR

ü

Operating
Temperature
Range

-30 to +60

°

C

(-22 to +140

°

F)

Carrier Detection Threshold

ü

Temperature

ü

Dimensions
( W/O
connectors
and  handles )

262 x 76 x 225 mm
( 10.3” x 3” x 8.9” )

Carrier Detection Time-out

ü

Synt. Lock

ü

Weight

3.95 kg (8.7 lb)

Gain

ü