The SIDC-5000 is a high dynamic range, fast tuning VHF/UHF tuner-down converter covering the 20 MHz to 3000 MHz input frequency range with 10 Hz tuning step size. A four band switched filter preselector allows fast tuning and provides high rejection of out-of-band signals. The standard IF output center frequency is 21.4 MHz with 10 MHz IF bandwidth. Optional IF center frequency/IF bandwidth configurations offered are of 10.7 MHz/5 MHz, 20 MHz/10 MHz, 40 MHz/20 MHz and 70 MHz/40 MHz. The RF to IF gain can be adjusted over a 30 dB range with 1 dB step size.
Utilizing Elcom’s advanced frequency synthesizer architecture which incorporates a direct digital synthesizer (DDS) within a VCO based PLL frequency synthesizer, the tunable LO of the SIDC-5000 features low phase noise with fast tuning speed, low spurious, and small tuning step size. The VHF/UHF tuner-down converter can be controlled remotely through the Ethernet interface, or manually through front the font panel keypad and control knob. The SIDC-5000 is ideal for those demanding VHF/UHF tuner-down-converter applications requiring ultra wide dynamic range and fast tuning speed.
Elcom’s SIDC-6000 is a high dynamic range microwave downconverter/tuner covering 0.5 to 26.5 GHz with 10 Hz tuning resolution. The SIDC-6000 provides essentially all of the RF functions of Elcom’s SIR-4000 receiver, excluding digital IF signal processing. The agile LO in this downconverter employs Elcom’s advanced frequency synthesizer architecture which combines a direct digital synthesizer (DDS) within a VCO-based PLL synthesizer. This combination delivers low phase noise, low spurious, and fast tuning speed along with the 10 MHz tuning frequency step size. The system provides scan and sweep frequency control modes.
There are two IF outputs: one centered at 1.2 GHz with fixed 500 MHz bandwidth, and one centered at 70 MHz with selectable IF bandwidths of 10, 20, 30 and 40 MHz. The 70 MHz IF has Automatic Gain Control (AGC) with fast attack time and programmable decay time, and the AGC power level is programmable. For operation under manual gain control, programmable attenuators on both IF channels provide 42 dB control range in 1 dB steps. Non-inverting or inverting spectral conversion can be selected independently for the two IF outputs. An option is offered to allow phase coherent operation of multiple SIDC-6000 downconverters.
The SIDC-6000 is engineered to provide superior RF performance in terms of dynamic range, low phase noise, and fast tuning speed. This RF performance, along with numerous signal control and system control features, make the SIDC-6000 an excellent solution for a wide range of demanding microwave downconverter applications.
Elcom’s SATDC-1000 is a high dynamic range microwave downconverter covering 17.7 to 21.2 GHz with 10 Hz tuning resolution. The agile LO in this downconverter employs Elcom’s advanced frequency synthesizer architecture which combines a direct digital synthesizer (DDS) within a VCO-based PLL synthesizer. Fixed frequency LOs utilize Elcom’s SPDRO phase locked coaxial resonator oscillator technology. This combination delivers low phase noise, low spurious, and fast tuning speed. A programmable sweep frequency control feature facilitates setup of frequency sweeps.
There are two IF outputs: one centered at 700 MHz with a fixed bandwidth of 250 MHz, and one centered at 70 MHz with a fixed bandwidth of 40 MHz. Down conversion gain is controlled by programmable attenuators on both IF channels, which provide 30 dB control range in 0.25 dB steps. Non-inverting or inverting spectral conversion can be selected independently for the two IF outputs.
The SATDC-1000 is engineered to provide superior RF performance in terms of dynamic range, low phase noise, and fast tuning speed. Its RF performance, along with its wide range of system control features, makes the SATDC-1000 an excellent solution for a wide range of demanding microwave downconverter applications.
The VMEST is a broadband microwave tuner/down converter housed in a 3-slot 6U VME package. The VMET covers 50 MHz to 18 GHz with 10 Hz tuning step size. Its compact industry standard VME modular package makes VMEST ideal for complex test and measurement systems where space is limited.
Frequency coverage is divided into two bands, each having a separate SMA input connector. Band 1 covers 50 MHz to 2000 MHz. Band 2 covers 2000 MHz to 18 GHz and includes a broad band YIG pre-selector. The desired band is switch selectable. The VMET tuner employs a triple conversion architecture with selectable IF output frequencies at 70 MHz or 140 MHz. This architecture is engineered for low spurious and high dynamic range. The agile LO synthesizer in this system is a standard Elcom IBS, indirect, type of frequency synthesizer delivering excellent phase noise and fast tuning and small step size.
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