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Fully Synthesized Frequency Converters

Our company had spent a long time in R&D to come up with the modern design of our high-performance frequency converters, aimed at achieving high-performance, top reliability, and low cost by using innovative sophisticated design, high-quality components and many years of our experience in the field of RF&Microwave. Modular and flexible, with a lot of features, exceptional amplitude linearity, ultra low phase noise, high dynamic range, low spurious, low group delay response Sotca's frequency converters are ideally suited for SCPC, MCPC, DAMA, high data rates transmission and advanced digital modulation schemas.

L-Band: Up/Down Converter | Upconverter | Downconverter | Dual Upconverter | Dual Downconverter

Ku-Band: STC 83701U IF to Ku-band Upconverter | STC 83671U L-Band to Ku-band Upconverter |

Redundancy switches: STC 83201SW 1:1 Redundancy switch | STC 83204SW 1:4 Redundancy switch |

L-Band Up/Down Converter STC 8360UD

L-Band Up/Downconverter

The STC 8360UD is a high-performance, fully synthesized L-Band Up/Downconverter indoor unit, housed in a light standard 1RU (1.75 in.) 19"wide rack, providing space-saving and convenient solution for systems, requiring frequency conversion between 70 MHz and L-Band interfaces.

The unit contains independently synthesized L-Band Up and Down converter modules, monitor and control microprocessor board, internal reference source and AC voltage auto-sensing power supply.

Impressive amplitude linearity, ultra low phase noise, far exciding IESS 308 / IESS 309 requirements, low spurious, high dynamic range make the converter ideally suitable for SCPC, MCPC, DAMA with high data rates transmission and advanced digital modulation.

Features Highlight:

  • Independently synthesized up and down frequency conversion
  • Dual conversion frequency plan
  • User friendly interface
  • Excellent phase noise, far exceeding IESS 308/309 standards
  • Exceptional amplitude linearity, very low intermodulation
  • External 10MHz reference input, automatic sense of external reference signal
  • Software selectable spectrum inversion on Downconverter
  • Software adjustable cable slope equalizer
  • Advanced local and remote RS485/RS422 and RS232 monitoring and control interface
  • Built-in temperature monitoring
  • Smart 2 fans air cooling system

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • High-stability reference
  • DC output to SSPB +24V 2.5A max (other voltages avalable)
  • SSPB alarms sense (power, current, temp.)
  • 10 MHz reference out mute control

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L-Band Upconverter STC 83601U

L-Band Upconverter

The STC 83601U is a high-performance, low-cost synthesized dual conversion Upconverter, providing solution for satellite systems requiring frequency conversion up from IF to L-Band.

Impressive amplitude linearity, ultra low phase noise, far exciding IESS 308 / IESS 309 requirements, low spurious, high dynamic range make the converter ideally suitable for SCPC, MCPC, DAMA with high data rates transmission and advanced digital modulation.

The STC 83601U standard model has +15 dBm minimum output power level at P1dB compression point and 30dB gain, which allows for longer cable runs, making it possible in many cases to work without external line amplifiers.

Features Highlight:

  • Built-in 1:N redundancy switching capabilities
  • Exceptional performance parameters, low cost by design
  • Local and remote RS485/RS422/RS232 monitoring and control interfaces
  • Automatic 10 MHz internal/external reference selection (auto-sensing)
  • 10MHz reference signal out for ODU, user controlled
  • Adjustable cable slope equalizer
  • Built-in internal temperature and output power monitoring
  • RF Mute mode, 60 dB minimum
  • Smart 2 fans air cooling system
  • Customization to user requirements is available

Applications

  • Digital Satellite News Gathering systems (DSNG)
  • Uplinks systems
  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • 24V DC support for outdoor equipment
  • High-stability reference
  • L-Band monitoring output

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L-Band Downconverter STC 83601D

L-Band Up/Downconverter

The STC 83601D is a high-performance, low-cost fully synthesized Downconverter, providing solution for satellite systems requiring frequency conversion down from L-Band to IF. Impressive linearity, low phase noise, low spurious make the converter suitable for working with high bit rates signals. Low power consumption and 2 fans smart air-cooling system insurers the optimum thermal mode, therefore increasing the reliability of the unit and the service life of fans.

Features Highlight:

  • Compliant with IESS 308 / IESS 309 requirements
  • Automatic 10 MHz internal/external reference selection (auto-sensing)
  • Software selectable spectrum inversion
  • Flat frequency response
  • Advanced local and remote monitoring and control interface
  • Software adjustable cable slope
  • Built-in 1:N redundancy switching capabilities

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • High-stability reference

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L-Band Dual Upconverter STC 83602U

L-band_Dual_Upconverter.png

STC 83602U combines two independently synthesized IF to L-Band Upconverters, monitor and control microprocessor board, internal reference source and ac voltage auto-sensing power supply in a single indoor standard 1RU (1.75 in.) 19"wide rack.

Impressive amplitude linearity, ultra low phase noise, low spurious, high dynamic range make the converter ideally suitable for SCPC, MCPC, DAMA with high data rates transmission and advanced digital modulation.

Each Upconverter module of STC 83602U has +15 dBm minimum output power level at P1dB compression point and 30dB gain, which allows for longer cable runs, making it possible in many cases to work without external line amplifiers.

Features Highlight:

  • Built-in 1:N redundancy switching capabilities
  • Exceptional performance parameters, low cost by design
  • Local and remote RS485/RS422/RS232 monitoring and control interfaces
  • Automatic 10 MHz internal/external reference selection (auto-sensing)
  • 10MHz reference signal out for ODU, user controlled
  • Adjustable cable slope equalizer
  • Built-in internal temperature and output power monitoring
  • RF Mute mode, 80 dB minimum
  • Smart 2 fans air cooling system
  • Customization to user requirements is available

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • High-stability reference

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L-Band Dual Downconverter STC 83602D

L-band_Dual_DownConverter

The STC 83602D is a high-performance, economicaly priced fully synthesized Downconverter, providing solution for satellite systems requiring frequency conversion down from L-Band to IF. Impressive linearity, low phase noise, low spurious make the converter suitable for working with high bit rates signals. Low power consumption and 2 fans smart air-cooling system insurers the optimum thermal mode, therefore increasing the reliability of the unit and the service life of fans.

Features Highlight:

  • Exceptional performance parameters, low cost by design
  • Compliant with IESS 308 / IESS 309 requirements
  • Independent software configurable spectrum inversion mode
  • RF Mute mode, 80 dB minimum
  • Smart fail-free air cooling system

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • IF 140MHz
  • High-stability internal 10MHz reference
  • Built-in 1:N redundancy switching capabilities
  • Automatic sense of external 10 MHz reference
  • 10MHz reference signal and 24/18/48 VDC to ODU

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Ku-Band Upconverter STC 83701U

IF to Ku-Band Upconverter

STC 83701U fully synthesized frequency Upconverter is providing a high-performance, convenient and economical solution for systems, requiring IF to Ku-Band interface. Impressive amplitude linearity, low phase noise, spectral purity, high dynamic range make this converter ideally suitable for all current high speed data transmission rates and advanced digital modulation schemes.

Features Highlight:

  • High amplitude linearity
  • Excellent phase noise
  • Low group delay distortion
  • User friendly interface
  • Intelligent air cooling system
  • Customization to user requirements and logo

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 140MHz IF Input
  • L-Band output monitoring point
  • High-stability internal 10MHz reference
  • Automatic sense of external 10 MHz reference
  • RS485/RS422 remote monitoring and control
  • Redundancy switching capabilities

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L-Band to Ku-Band Block Upconverter STC 83671U

L-Band to Ku-Band Block Upconverter

Features Highlight:

The STC 83671U is a single conversion block upconverter, which converts L-Band signal to Ku-Band. The unit contains L-Band to Ku-Band upconverter module, monitor and control microprocessor board, internal 10MHz reference source and ac voltage auto-sensing power supply.
  • Automatic 10 MHz internal/external reference selection
  • Flat frequency response
  • Advanced local and remote monitoring and control interface
  • Built-in 1:N redundancy switching capabilities

Applications

  • Fly-Away Terminals
  • Satellite multi-service systems
  • Satellite ground stations
  • VSATs and Hubs

Options

  • 125 kHz frequency step size
  • High-stability reference

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1:1 Redundancy Switch STC 83201SW

1:1 Redundancy switch

STC 83201SW redunduncy 1:1 switch is simple, robust, user frendly and economical solution for critical applications, where minimum downtime is required. It is designed to be used as a part of Sotca's frequency converters redundant system and it is fully compatible with all STC 83xxxx converters models. When operated in "Auto" mode, the unit monitors alarm signals of an on-line converter. If fault is detected, the switch will automatically fall over to the hot stand-by unit. Using manual mode, any unit can be maintained, troubleshooted and replaced on the fly, without affecting the link. STC 83201SW high isolation level, low return loss assure high performance of the system and ultra low level of cross-interference. Unit comes in a standard 1U(1.75") 19" Rack-mounted enclosure.

Features Highlight:

  • User-friendly interface, featuring manual (test) and auto mode.
  • Hot redundancy to reduce downtime and increase reliability of the entire system
  • Fast switching
  • On the fly failed unit replacement

Applications

  • VSAT terminals and Hubs
  • Network hubs or remote sites
  • Broadcast
  • Telephony
  • Monitoring downlink stations

Options

  • Remote control
  • High-quality matched cables and accessories
  • DC power to ODU can be provided

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1:N Redundancy Switch STC 8320NSW

1:41 Redundancy switch

STC 83204SW redundancy 1:N switch is a robust, user friendly and economical solution for critical applications, where minimum downtime is required. It is designed to be used as a part of Sotca's frequency converters redundant system and it is fully compatible with all STC 83xxxx converters models. When operated in "Auto" mode, the unit monitors alarm signals of an on-line converters. If fault is detected, the switch will automatically fall over to the hot stand-by unit. Using manual mode, any unit can be maintained, troubleshooted and replaced on the fly, without affecting the link. STC 83201SW's high isolation level, low return loss assure high performance of the system and ultra low level of cross-interference. Unit comes in a standard 1U(1.75") 19" Rack-mounted enclosure. The model STC 83204SW pictured above features a 4:1 configuration, but it could be supplied in any configuration, up to 8:1.

Features Highlight:

  • User-friendly interface, featuring manual (test) and auto mode.
  • Hot redundancy to reduce downtime and increase reliability of the entire system
  • Fast switching
  • On the fly failed unit replacement

Applications

  • VSAT terminals and Hubs
  • Network hubs or remote sites
  • Broadcast
  • Telephony
  • Monitoring downlink stations

Options

  • Remote control
  • High-quality matched cables and accessories
  • DC power to ODU can be provided

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