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Cancellers

RF Interference mitigation solutions from MPG includes cancellation via the classic referenced approach, as well as via a referenceless design.

Overview

RF Interference mitigation solutions include cancellation via the classic referenced approach, as well as via a referenceless design. VHF/UHF referenced canceler designs significanly reduce strong interfering RF signals from co-located emitters to enable proper receiver operation. Referenceless designs are able to auto-tune to on-board or off-board signals to enable the reception of low-level RF signals in your collection/surveillance system.

Benefits

The MPG Solutions Canceller Series offers the following benefits:

Cancels in-band interferers on the same mobile platform 
Detects frequency changes of the interferer automatically and cancels the revised interference even with frequency hopping signals
Provides 5 channels, each of which can be selected to cover 30-88 MHz, 116-174 MHz or 225-400 MHz

Capabilities

Problems Solved

MPG Solutions Canceller Series rejects the interferer’s amplitude at the receive location and are designed to solve the following challenges:

Undesired RF signals from associated remitters
Situations where receive signal offset is changing over time due to frequency hopping of the signal

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Special Processes & Technologies

Engineering

Multiple RF Screen Rooms
Full Complement of Test Equipment (DC – 3GHz) including Network, Spectrum, and Modulation Analyzers; Signal and Function Generators
Eagleware GENESYS™RF/Microwave Design Tool together with SPECTRASYS™, an RF architecture simulator and EMPOWER/ML™, a multi-level planar 3D EM simulator
MathCAD13 for circuit simulation and analysis
Mentor Graphics DxDesigner Schematic Capture & Circuit Board Layout Tool
Autodesk Inventor® Series including:
1.Autodesk Inventor® software for 2D/3D design and documentation
2.AutoCAD® Mechanical for productive 2D drawing and detailing
3.Autodesk® Vault to synchronize your design efforts

Environmental Test

Custom developed test fixtures for automated testing of customer units
Temperature/Humidity chambers capable of thermal cycling units under test from -73°C to +175°C. Pole/Zero currently has multiple thermal chambers including the TestEquity 115, TestEquity 1007C, Russells F-18, Russells RB-32 and Russells RDV-32 chambers
MB Dynamics C10E, LDS V830 and V850 Electrodynamic vibration tables for shock, random, & sinusoidal testing cycles

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Cancellers

Referenced Cancellers

MPG Multi-Channel Interference Canceller (MIC) devices, also known as Referenced Cancellers, integrate receivers and antennas, while cancelling in-band cosite interference.

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Referenceless Cancellers

Placed directly between the antenna and receiver, MPG’s Referenceless Canceller provides fast canceller acquisition when an interferer reference signal is not available.

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