1.2 Technical Characteristics
TABLE 1.1 1200-05 IF Processor Specifications
*
RX Input Characteristics
Impedance/Return Loss
50
Ω
/18 dB
Frequency
50 to 90 MHz
Level Range
-15 to -95 dBm
1 dB compression
-10 dBm
RX Output Characteristics
Output Impedance/RL
50
Ω
, 75
Ω
/18 dB
Monitor/AGC Out Level
-30 dBm, +5, -15 dB
Level Range, Nominal
-30 to -50 dBm
RX Channel Characteristics
Gain, AGC
-25 to +45 dB range
AGC Response time, typ.
6 sec. 10 dB step
Gain Adjustment
0 to -20 dB
Frequency Response
±1.0 dB
TX Input Characteristics
Impedance/Return Loss
50
Ω
, 75
Ω
/18 dB
Frequency
50 to 90 MHz
Level Range
-20 to +5 dBm
TX Output Characteristics
Impedance/Return Loss
50
Ω
, /18 dB
Level Range
+5 to -20 dBm
1 dB compression
+10 dBm
TX Channel Characteristics
Gain Adjustment
0 to -30 dB
Frequency Response
±1.0 dB
Group Delay, max.
+5 ns, max.
TX Switch Characteristics
Isolation, Switch off
≥
60 dB
Isolation, Port to Port
≥
50 dB, all “ON”
Switch Time
≤
10 milliseconds
SAW filter prior to AGC detection circuitry typical characteristics
1 dB Bandege (typ.)
69.9 MHz lower; 70.09 MHz upper
40 dB Bandege (typ.)
69.56 MHz lower; 70.46 MHz upper
Controls, Indicators
DIG1TX, FDMTX, DIG2TX
Green LEDs and SPDT switches
LOCAL/REMOTE
Red LED and SPDT switches
OVERRIDE
Yellow LED
POWER
Green LED indicates power is supplied to the unit
Other
IF Connectors
TNC (female)
Connector, DC, Control
DB9 (female)
Size
19.0” 1RU chassis x 14.0” deep
Power
100-240 ±10% VAC, 47 - 63 Hz, 30 watts max.
*+10 to +40 degrees C; Specifications subject to change without notice.
1200-05 Manual, Rev. 0
Page 4
10/14/10