Sotca Inc.

• Width19”, standard rack mount
• SeriesSTC 93701U
• Height1U(1.75”)
• Availability10 lb

STC93701U is fully synthesized line of Ku DBS Bands frequency Upconverters provides highperformance, convenient and economical solution for systems, requiring IF to Ku DBS -bands interface. PERFORMANCE Fine frequency resolution, impressive amplitude linearity, low phase noise, exceeding the Intelsat phase noise mask for IBS and IDR, spectral purity, high dynamic range make this converter ideally suitable for all current high speed data transmission rates and advanced digital modulation schemes. MONITORING & CONTROL Front panel hardware switch is used for selecting local or remote RS-232RS485 monitoring and control (M&C) interfaces. Optionally a converter unit can be equipped with Ethernet M&C interface. Simple ASCII commands used to control and set the converter parameters can be customized on request to fit existing M&C system. Applications • Satellite ground stations • Satellite multi-service systems • Fly-Away Terminals Key Features • Standard and extended Ku-Bands • 125 kHz or optional 1KHz frequency resolution • Amplitude and group delay equalization • Exceptional gain stability • User friendly interface • Automatic sense of external 10 MHz reference Options • Redundancy switching capabilities (external or build in) • Choice of 70MHz or 140MHz IF • Ethernet remote monitoring and control

• Operating Temperature0 to +50 °C
• Impedance50Ω or 75Ω
• Frequency range70 MHz ± 18 MHz
• SeriesSTC 93801U

STC 93801U fully synthesized dual conversion C-Band Upconverter module is providing a highperformance, convenient and economical solution for systems, requiring IF to C-Band interface. PERFORMANCE Fine frequency resolution, impressive amplitude and phase linearity, maintained by an internal amplitude and group delay equalizer and low phase noise, exceeding the Intelsat phase noise mask for IBS and IDR, spectral purity, high dynamic range make this converter ideally suitable for all current high speed data transmission rates and advanced digital modulation schemes. MONITORING & CONTROL Front panel hardware switch is used for selecting local or remote RS-232RS485 monitoring and control (M&C) interfaces. Optionally a converter unit can be equipped with Ethernet M&C interface. Simple ASCII commands used to control and set the converter parameters can be customized on request to fit existing M&C system. Applications • Satellite ground stations • Satellite multi-service systems • DVB Uplinks Key Features • Standard and extended C-Bands • 125 KHz or 1KHz frequency resolution • Excellent phase noise • Low group delay distortion • User friendly interface • Automatic sense of external 10 MHz reference Options • Redundancy switching capabilities by a built-in switch or an external rack mounted switching unit. • Choice of 70MHz or 140MHz IF • Ethernet remote monitoring and control

• Frequency range70 MHz ±18 MHz
• Temperature0-50°C
• SeriesSTC 93801D
• Country of Origin90/250 VAC (auto-ranging)

STC 93801D fully synthesized line of C-Band frequency Downconverters is providing a highperformance, convenient and economical solution for systems, requiring C-Band to IF interface. PERFORMANCE Fine frequency resolution, impressive amplitude linearity, low phase noise, exceeding the Intelsat phase noise mask for IBS and IDR, spectral purity, high dynamic range make this converter ideally suitable for all current high speed data transmission rates and advanced digital modulation schemes. MONITORING & CONTROL Front panel hardware switch is used for selecting local or remote RS-232RS485 monitoring and control (M&C) interfaces. Optionally a converter unit can be equipped with Ethernet M&C interface. Simple ASCII commands used to control and set the converter parameters can be customized on request to fit existing M&C system. Applications • Satellite ground stations • Satellite multi-service systems • Fly-Away Terminals Key Features • Standard and extended C-Bands • 125 kHz or optional 1KHz frequency resolution • Excellent phase noise • Group delay and amplitude equalization • User friendly interface • High gain stability • Automatic sense of external 10 MHz reference Options • Redundancy switching capabilities • Choice of 70MHz or 140MHz IF • Ethernet remote monitoring and control • Dual IF Output

• Power Consumption35W
• Local control interfaceLCD 20x2, 16 keypad
• Country of Origin90/250 VAC (auto-ranging)
• SeriesSTC 83701U

STC83701U is fully synthesized line of Ku-Band frequency Upconverters provides high-performance, convenient and economical solution for systems, requiring IF to Ku-band interface. PERFORMANCE Fine frequency resolution, impressive amplitude linearity, low phase noise, exceeding the Intelsat phase noise mask for IBS and IDR, spectral purity, high dynamic range make this converter ideally suitable for all current high speed data transmission rates and advanced digital modulation schemes. MONITORING & CONTROL Front panel hardware switch is used for selecting local or remote RS-232RS485 monitoring and control (M&C) interfaces. Optionally a converter unit can be equipped with Ethernet M&C interface. Simple ASCII commands used to control and set the converter parameters can be customized on request to fit existing M&C system. REDUNDANCY Redundancy for 1:1 systems is offered either by built-in redundancy switch module or an external rackmounted redundancy switching unit STC 83201SW, redundancy for 1: N system is offered by a standalone redundancy switching unit STC 8320NSW. Applications • Satellite ground stations • Satellite multi-service systems • Fly-Away Terminals Key Features • Standard and extended Ku-Bands • 125 kHz frequency resolution • Low group delay distortion • User friendly interface • Automatic sense of external 10 MHz reference Options • Redundancy switching capabilities (external or build in) • Choice of 70MHz or 140MHz IF • Ethernet remote monitoring and control

• SeriesL-Band Upconverter STC 83601U

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 RS485RS422RS232 monitoring and control interfaces Automatic 10 MHz internalexternal reference selection (auto-sensing) 10MHz reference signal out for ODU, user controlled 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 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 18VDC24VDC48VDC support for outdoor equipment High-stability reference

• SeriesL-Band Downconverter STC 83601D

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 70MHz or 140MHz. 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 internalexternal reference selection (auto-sensing) Software selectable spectrum inversion 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

• Series1:N Redundancy Switch STC 8320NSW

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 Back to Top

• SeriesSTC 300 Series C- Ku-Band Fixed Gain Block Converters

STC 300 Series Block converters are indoor, 1U rack mounted units, with custom fixed gain set at the factory. Each unit may be configured to include one or two different converter's modules. High stability internal reference oscillator and high quality low noise power supply are standard features for these converters. Propriatory in-house designed and build filtering components assure spurious free spectrum in band as well as out of band.

• SeriesL-Band Up/Down Converter STC 8360UD

The STC 8360UD is a high-performance, fully synthesized L-Band UpDownconverter 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 IF(70MHz or 140MHz) 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 308309 standards Exceptional amplitude linearity, very low intermodulation External 10MHz reference input, automatic sense of external reference signal Software selectable spectrum inversion on Downconverter Advanced local and remote RS485RS422 and RS232 monitoring and control interface 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 internal reference VDC support of ODUs, different voltages are avalable 10 MHz reference out mute control

• Series1:1 Redundancy Switch STC 83201SW

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 and STC 93xxx synthesized 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