Summitek Instruments - Passive Intermodulation Analyzers, popular wireless communications bands, RF test set, high-power carriers, features, pim products, SI-800, SI-900, SI-1800, SI-1900, SI-2000, SI-400, SI-3500, SI-850, SI-1950

Product Overview:

Summitek offers several models of passive intermodulation (PIM) analyzers to cover a variety of wireless communications bands. All standard models include an RF test set, a power supply, and a computer controller. Additionally, each model can be ordered in a "K" version which provides front-panel access directly to both high-power carriers. The RF test set is also sold as a separate unit for those who perform testing in more than one communications band, but would like to use only one power supply and control unit.

Technical Specifications:
	Download Series D Technical Data

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Features
Passive IM Products
Accessories
Front Panel Features
Configurations

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Features

	Two carrier measurement with up to 25 watts per carrier
	-140 dBm receiver sensitivity
	Fully integrated units requiring no external components
	Automatic leveling control and independent carrier power monitoring eliminate the need to continuously remeasure and adjust carrier powers
	High reliability, stability, and repeatability

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Passive IM Products

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Model	Band	RX [MHz]	TX [MHz]
SI-800B View Residuals Plot	AMPS	824 - 849	869 - 894
SI-900B View Residuals Plot	GSM	890 - 915	935 - 960
SI-900B Option E View Residuals Plot	EGSM	880 - 915	925 - 960
SI-1800B View Residuals Plot	DCS	1710 - 1785	1805 - 1880
SI-1900B View Residuals Plot	PCS	1850 - 1910	1930 - 1990
SI-2000B View Residuals Plot	IMT/UMTS-2000	1920-1980	2110-2170

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Accessories

Model			Description
SI-10A Specs			Low-IM Termination and Adapter Kit This is an SI-20A with an additional set of 7/16 to N type adapters.
SI-20A Specs			Low-IM Termination -115 dBm, maximum (-120 dBm, typical) with 2 x 20W tones, 800 - 2000 MHz
SI-30A Specs			Low-IM Termination -120 dBm, maximum (-125 dBm, typical) with 2 x 20W tones, 800 - 2000 MHz
SI-40A Specs			Low-IM Termination and Adapter Kit This is an SI-30A with an additional set of 7/16 to N type adapters.

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Front Panel Features

The IM analyzer control interface is intuitive and easy-to-use. It also offers the flexibility of two modes of operation: Engineering, and Production.

Engineering Mode

Adjust transmit power and carrier frequencies while viewing the results in real time.

Measure reflected and through performance without recabling.

Select between display formats:

Spectral Display to observe the behavior of 3rd, 5th, 7th and 9th order IM products.
Strip Chart Display when you need to know how the IM characteristics vary over time.

Production Mode

Production testing is as simple as . . .

Connect the Device Under Test to the analyzer.
Enter appropriate test documentation.
Press the Begin Test button.

Pass/Fail status is automatically determined and displayed, printed, and/or logged to ASCII file.

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Configurations

Standard or "K" Configurations:

	RF Test Set
	DC Power Supply
	Computer/Controller
	Control Interface

The control module can automatically level the output power from both high-power carriers greatly simplifying intermodulation measurements. Reflected and through measurements are made without recabling which mitigates connection repeatibility issues.

The K series of Passive IM Analyzers adds front-panel access to the high-power carriers before they are combined. Although there are several tests which could use this configuration, it was specifically developed to address IM testing in dual-polarized (2-Port) antennas (see our Application Note which describes antenna testing).

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