User's Manual

044-05156 Rev C 52
MCR21929-1-2 Specifications
Frequency Range 1930-1990 MHz (see Pilot Tone Control section)
Power Output / Max Input
w/125W modules
109 W (50.37 dBm) / 1.87 dBm (1 Module)
218 W (53.38 dBm) / 1.88 dBm (2 Modules)
Duty Cycle Continuous
RF Gain – Standard (±0.50 dB) 48.5 dB 1 Module
51.5 dB 2 Modules
RF Gain – Constant (±0.50 dB) 48.0 dB
RF Gain Adjust 0 to 10 dB Standard operating mode
0 to 3 dB Constant Gain operation mode
0 dB when preamps are employed
Gain Variation with Voltage / Freq.
± 0.5 dB @ 26 to 28 VDC
Gain Variation over Temperature ±0.5 dB
Input Port Return Loss 13 dB (min)
Subrack Noise Figure 34.0 dB 1 Module
31.0 dB 2 Modules
+ Gain Adjust Attenuation value (0-10 dB)
DC Input Voltage Range 21 to 30 VDC (26 to 28 VDC for rated operation)
RF Power Derating for DC Input
Voltage
28V ≤ V < 30V 0.5 dB
26V ≤ V < 28V 0.0 dB Normal operating voltage
24V ≤ V < 26V 0.5 dB
22V ≤ V < 24V 1.0 dB
21V ≤ V < 22V 1.5 dB
DC Input Current per Subrack
104 Amps Typical, 120 Amps Max (2 Modules) @ 27 ±1 VDC
Alarms (Subrack) Minor – Fan Fail
Major – One or more MCPAs Failed
Critical – All MCPAs Failed
Alarm Indication Form C Contacts, LEDs & RS-485
Operating Temperature Range 0 °C to + 50 °C, Ambient
Storage Temperature -40 °C to + 85 °C
Operating Humidity, Normal 0% - 80% RH (Noncondensing)
Storage Humidity 0% - 100% RH (Noncondensing)
Connectors
DC
RF Input
RF Output
Alarm Outputs (Form-C)
RS-485 (2), Preamp (1), and
RS-232 (1)
Strip-n-Poke (2 to 10 AWG)
SMA Female
7/16 DIN Female
15-Pin D-Subminiature Female
9-Pin D-Subminiature Female
Controls Subrack Address
Subrack Operating Mode
Indicators APC (RED)
Dimensions: 19 W x 12.17 H x 25 D inches (19 W x 12.17 H x 25 D mm)
Weight: 38 lbs. Empty; 142 lbs. Fully Loaded (17.24 Empty; 64.41 Kg Loaded)