LPOD C-, X- or Ku-Band Block Up Converter (BUC)/SSPA

Comtech EF Data

LPOD C-, X- or Ku-Band Block Up Converter (BUC)/SSPA

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  • Integrated Power Supply
  • Data Logging Capability
  • Advanced FSK
  • Hand-Held Controller Devices

SKU: CMT155 Tags: ,
  • Description
  • Technical Specifications
  • Support Documents


Comtech EF Data’s extensive experience in the design of outdoor RF transceivers led to the LPOD family’s efficient thermal and mechanical package. Recognizing the evolution of L-Band IF systems, the LPOD is designed to eliminate the traditional requirement for the modem to supply a DC power source and a 10 MHz reference to the BUCs and LNBs. The LPOD’s optional internal reference and LNB bias T greatly simplify multi-carrier operation and provide cost-effective redundant solutions. The LPOD offers valuable features not found in other L-Band BUC products.


  • Redundancy – Another challenge addressed by the LPOD topology is the increasing need for redundant L-Band RF solutions. With its internal power supply, internal reference and internal LNB bias capability, the LPOD offers a very cost-effective solution for 1:1 redundant TX and 1:1 redundant RX requirements.
  • Integrated Power Supply – All LPOD models have a self-contained power supply. This eliminates the requirement for the modem to supply the BUC voltage on the center conductor of the RF cable, simplifying multi-carrier operation and modem spares maintenance.
  • Data Logging Capability – To greatly enhance system maintainability, the LPOD line includes a built in data logging capability. By recording critical operational parameters (such as temperature, output power, mute status, etc.) at time stamped intervals, the user can quickly gather intelligence not only about the unit itself, but also the unit’s operational environment.
  • Advanced FSK – The LPOD, when used with Comtech EF Data modems, provides valuable additional functionality utilizing the industry standard FSK communications channel. This feature offers full control of single thread and redundant systems from the modem front panel without additional cabling or cost. The LPOD can also be accessed from the Ethernet port of the modem and controlled via Embedded Distantend Monitor and Control (EDMAC).
  • Hand-Held Controller Devices – A variety of hand-held controller devices are available. These include the LPODnet M&C Accessory Kit and the CLC-10 M&C Accessory Kit. Both are designed to access the monitor and control functionality of the LPOD family of products.

IF Input Frequency Note 1 / RF Output Frequency
950 – 1525 MHz 5.850 – 6.425 GHz
950 – 1750 MHz 5.850 – 6.650 GHz (optional)
950 – 1825 MHz 5.850 – 6.725 GHz (optional)
965 – 1265 MHz 6.725 – 7.025 GHz
950 – 1450 MHz 7.900 – 8.400 GHz
950 – 1450 MHz 14.00 – 14.50 GHz
950 – 1750 MHz 13.75 – 14.50 GHz (optional)
950 – 1450 MHz 12.75 – 13.25 GHz (optional)Note 3
Gain Min. (Typical)
All power levels
70 (75 dB)
Max. IF Input level (no damage) +10 dBm
Gain Adjust 20 dB in 0.25 dB steps
Gain Flatness ± 1.5 dB full band (optional ± 2.0 dB
full band (-50° to +55°C))
± 0.30 dB per 40 MHz (optional ±
0.50 dB per 40 MHz (-50° to +55°C)
Gain variation over temp ±1.5 dB max., -40° to +55°C
(optional ± 2.0 dB max. (-50° to +55°C))
Input Return Loss 15 dB
Output Return Loss 19.1 dB (1.25:1 VSWR)
Noise Figure 10-15 dB typ., 20 dB max. @ min. attenuation, (8 dB typ., 15 dB max. PS2 configured as SSPA only)
RF Mute Isolation -60 dBc min.
AM/PM Conversion 2° typ., 3.5° max. @ Rated P1dB
3rd Order Intermod. Level
(2 tones, @ -3 dB Total Back Off from P1 dB (-6 dBc SCL), Δ 1 MHz)
-30 dBc typ., -25 dBc Guaranteed
Spurious Level
Harmonics -50 dBc @ Prated - 3dB
Carrier Related In-band -60 dBc min. @ P1dB
Non-Carrier Related In-band -60 dBm max. (Input Terminated)
LO Leakage -25 dBm max.
Group delay variation Linear ± 0.03ns/MHz
Parabolic ± .003ns/MHz2
Ripple ± 1.0 ns pk-pk
(View our PDF Datasheet for more information)

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