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Modular Microwave

Modular Microwave

Cassini isn’t just modular instruments, it’s a modular architecture and there’s a difference. Test Instrument Modules provide the building blocks for a configurable microwave system with resource ports designed to integrate seamlessly, creating a flexible instrument architecture. This gives Cassini drop in measurement capability and frequency extension as well as instant multi-site expansion.

How it all works
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Sources

Precision microwave signal delivery. Continuous wave signals from 100MHz to 20 GHz. Modulated sources from 10kHz to 6GHz carrier with 20MHz baseband.

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Signal Combination

These instruments extend the capability of microwave sources by providing signal routing and signal conditioning features. Two input sources can be routed out of 4 different outputs for increased port efficiency. Built-in step attenuators and amplifications extends the dynamic range of traditional sources providing 150dB of adjustable dynamic range. Precision microwave combiners enable two-tone signal delivery for high performance intermodulation and linearity test setups.

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Receiver

The hub for all measurements on Cassini, the synchrodoyne vector receiver provides two direct measure ports for 100MHz to 20 GHz signals and a dedicated low frequency port for signals from 100kHz to 2 GHz. The local oscillator can be shared with up to three different frequency converting testsets along with their corresponding downconverted IF signals to provide cross-instrument, phase-coherent measurements.

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Test Sets

Cassini Test Sets integrate with the RF System Core source to extend source and receiver test ports. These specialized front-ends provide path switching, signal conditioning, source combining, and frequency conversion for single insertion intermodulation, linearity, VNA, spectrum analysis, noise figure and power meter measurements.

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System Integration

System Integration

A truly unique aspect of Cassini ATE is the configurable system integration layer. Moving this traditional fixed layer into the device interface environment allows the test system’s architecture to be dynamically configured for each device application. interchangeable blind-mate interface blocks allow any instrument in any position on the test head to optimzie for signal layout, multi-site, and forward/backward compatibility. Coaxial micorwave cables and conformable waveguide combine high performance signal delivery and cost effective routing.



System Integration

Port & Frequency Extension

Cassini Test Sets integrate with the RF System Core to extend source and vector receiver test ports. These specialized front-ends provide path switching, signal conditioning, source combining, and frequency conversion for signle insertion intermodulation, linearity, VNA, spectrum analysis, noise figure and power meter test.

RI8545 20 GHz TestSet

RI8545

100kHz to 20 GHz

4 Vector Tx/Rx Ports

3 Source Inputs

Continuous & Pulsed

Source/Measure

RI8563 40 GHz TestSet

RI8563

4GHz to 40 GHz

1 Vector Tx/Rx, 1 Scalar Rx

1 Source Input

Continuous & Pulsed

Source/Measure

RI8580 60 GHz TestSet

RI8580

57GHz to 64GHz

1 Vector Tx/Rx, 1 Scalar Rx

1 Source Input

Continuous & Pulsed

Source/Measure

RI8604 60 GHz TestSet

RI8604

71GHz to 86 GHz

1 Vector Tx/Rx, 1 Scalar Rx

2 Source Inputs

Continuous & Pulsed Source/Measure


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Ultimate Flexibility

Multi-Instrument Signal Flow

When all of the pieces come together, the end result is a complete microwave test system with unparalleled flexibility and resource efficiency. With both instrument-level calibrations and a system-wide vector calibrfation that incorporates the integration layer, Cassini delivers true virtual VNA, spectrum analyzer, and power meter measurement capability. The multi-layered calibration guarantees accurate and repeatable source and measurement capability right to the test port.