UT-4505 Series C-Band Up Converter

Comtech EF Data

UT-4505 Series C-Band Up Converter

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  • High Gain
  • Low Phase Noise
  • Daisy Chain Redundancy Switching
  • Remote Control
  • Detachable RF/IF Connector Module
  • Minimum Rack Space

  • Description
  • Technical Specifications
  • Support Documents

Overview

Our Up Converters are the ultimate in high-performance and cost-effective frequency conversion. An Up Converter can be used for SCPC, DAMA, and TDMA, as well as full transponder HDTV and analog TV. Spectral purity and stability characteristics fully meet or exceed the requirements of all domestic, international, and regional commercial satellite networks, including the Eutelsat HotbirdTM family.

Details

  • High Gain – Each Up Converter has +10 dBm minimum output level at the 1 dB compression point and 35 dB of gain as a standard. This capability permits longer cable runs to the modem rack or compensates for elaborate splitting networks without adding expensive options such as external line amplifiers.
  • Low Phase Noise – The phase noise performance exceeds the Intelsat phase noise mask for IBS and IDR services by more than 6 dB. This allows phase dependent demodulators to perform better. The close-in phase noise is very low, making the converter ideal for low bit rate digital circuits such as those used in DAMA hub earth stations.
  • Daisy Chain Redundancy Switching – The converters use our patented “Daisy Chain” integrated switching technology. The Daisy Chain design removes the relays associated with a centralized protection switch tray and distributes them across the individual converters. Daisy Chain technology successfully eliminates a central switching chassis, two power supplies, a microprocessor, and several long, costly cables. Widely accepted in the industry, Comtech EF Data’s Daisy Chain provides both pricing and marketing advantages.
  • Remote Control – The remote control interface is selectable between EIA-232 and EIA-485, as well as full Ethernet including Telnet, SNMP and preloaded HTML GUI. All configuration control, status retrieval, and adjustments are available as simple ASCII commands through the serial interface or through the front panel menu. As a cost option, the remote control command structure can be customized in order to accommodate existing network control software.
  • Detachable RF/IF Connector Module – Each Up Converter is equipped with a detachable I/O Module (IOM) that establishes input and output connections for the RF and IF paths. The module inserts into a rear compartment of the converter, and requires no additional outside space. The module includes a SMA connector for the RF path and a BNC connector at 50 or 75 Ω for the IF path.
  • Minimum Rack Space – Due to its small rack height (1.75 inches) and the elimination of the space penalty paid for a separate 1+N switch chassis, the UT-4518 and the Daisy Chain switch architecture provide the most compact and cost effective converter subsystem available. The units are ideal for the construction of transportable systems such as “flyaways,” and high capacity earth stations where space utilization and economy are prime considerations.

IF Input
Noise Figure 13 dB Maximum at 0 dB Attenuation
Level -35 dBm Typical
Range 52 to 88 or 104 to 176 MHz
Optional 50 to 90 MHz or 100 to 180 MHz
(Contact factory with specific requirements
Impedance 50 or 75 Ω
Return Loss 23 dB Minimum with I/O Module or Switch Module
RF Output
Output Level +10 dBm at 1 dB Compression (Ku-Band)
+13 dBm at 1 dB Compression (X-Band)
+17 dBm at 1 dB Compression (C- Band)
Intermodulation -38 dBc at 0 dBm Output SCL (X- & Ku-Band)
-50 dBc at 0 dBm Output SCL (C-Band)
Carrier Mute -70 dBc
Non-Carrier Spurious -80 dBm
Carrier Spurious -65 dBc at 0 dBm Output
AM to PM 0.1°/dB at -5 dBm Out
Return Loss 20 dB Minimum with IO Module
18 dB Minimum with Switch Module
Impedance 50 or 75 Ω
Transfer
Gain 35 dB ± 2 dB
Attenuation Adjust 0 to 25 in 0.25 dB Steps
0.1 dB Steps Optional
Gain Stability ± 0.25 dB/Day
Ripple ± 0.25 dB (± 18 MHz) Optional ± 20 MHz
0.75 dB (± 36 MHz) Optional ± 40 MHz (Contact
factory with specific requirements)
Slope 0.05 dB/MHz
IF Bandwidth 36 or 72 MHz, Optional 40 or 80 MHz (Contact factory with specific requirements)
External Reference
Input, either 5 or 10 MHz Option @ +3 dBm
Optional 10 MHz Rear Panel Reference Output
Group Delay
Linear 0.03 ns/MHz
Parabolic 0.01 ns/MHz2
Ripple 1.0 ns Peak-to-Peak
Remote Control (Rear Panel)
Comm Port RS-485 or RS-232C, RJ-45 for Ethernet
Indicators (Front Panel)
Power On Green LED
Mute Yellow LED
Remote Yellow LED
Reference Yellow LED
Stored Fault Red LED
Fault Red LED
Test Points (Front Panel)
RF Sample SMA, -20 dBc Nominal
IF Sample BNC, -20 dBc Nominal
Optional L.O. Sample
Power
Voltage 90 to 250 VAC Auto ranging, optional -48 VDC
Frequency 47 to 63 Hz
Dissipation 60 W
Environmental
Temperature 32 to 122°F (0 to 50°C)
Altitude 10,000 Feet MSL
Humidity 0 to 95% Relative Humidity
Physical
Dimensions (1RU)
(height x width x depth)
1.75” x 19” x 22”
(4.45 x 48.30 x 55.90 cm)
Weight 15 lbs (7.0 kg)
MTBF
49,740 hrs (calculated)
> 100,000 hrs. (field experience)
Summary Alarm
Relay Closure Form C
(View our PDF Datasheet for more information)

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