RF and Microwave Design Solutions. Bob Alman (707)

Transcription

1 RF and Microwave Design Solutions Bob Alman (707) Santa Rosa, CA

2 About Bob Alman Bob Alman acts as an extension of your engineering team by providing guidance, application expertise and solutions Co-Founder, co-owner and CTO of SenarioTek, LLC Best-In-Class RF and microwave switch matrix design for over 11 years with over 400 custom designs Designed satellite payload test system signal routing and conditioning systems Original designer of Thermal vacuum compatible switch matrixes for Ka band applications Designer of Error and power Tracking methodology, resulting in 0.1dB system accuracy at 32GHz Designer of Agilent technologies N1810XX, N1811XX and N1812XX electromechanical switches Designer of 10MHz-67GHz Solid State switch for Agilent PNA Designer of patented 8765X coaxial switch; the first 5 million cycle microwave switch Designer of 87104X-87106X 26.5 GHz multiport electromechanical switches, still considered by the industry as best-in-class for RF performance Designer of 87222X, Agilent 50 GHz transfer switch. Still unique in industry for the performance Designer of 87607B matrix switch, unique design for ease of use and functionality

3 Design Services VNA Test Sets RF and Microwave switch Matrix design Signal Conditioning Calibration Modules Satellite Test Applications Microwave STE Design consulting, fully documented design-to-print solutions First article test and evaluation reverse engineering/upgrade services.

4 Targeted Applications Radar / EW / Radio Comms o T/R Module Test o Avionics Communications Test o Antenna Test Satellite Test o Satellite Payload Test Systems o Space Qualified Component Test o Ground Station Test Systems Wireless / Telecom Test o ATE Solutions & Calibration o Network Analyzer Test Sets o High Frequency Amplifier Testing o RF & Uwave Calibration Modules

5 Design Offerings

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7 Switch Matrices Standard and custom signal routing solutions Phase-matching (radar, antennas..) Delay-matching (balanced measurements) Millimeter wave solutions

8 Signal Routing & Conditioning Switch matrices and sub-systems Signal conditioning Phase-matching (radar, antennas..) Delay-matching (balanced measurements) Mixed impedance sub-systems High power amplifier testing Millimeter wave solutions Example of a solid state switch matrix that maintains ± 5⁰ phase matching at 2.5 GHz across 128 paths (HSS delay matches to 2ps).

9 Signal Routing & Conditioning Add filtering, amplification, impairments, Mixed-impedance subsystems (75 Ω, 50 Ω, waveguide, optical) Amplifier testing Remote calibration correction

10 Precision Error Correction Amplitude only correction technique Beneficial to satellite applications Unlimited distance Remote power detection Bandwidths up to 50 GHz Compatible with TVAC High Noise immunity High accuracy Components Include: Electromechanical and solid state switching and attenuation Amplifiers, directional detectors, couplers, mixers, filters Control devices such as serial and parallel I/O, I2C busses Precision temperature and voltage monitoring devices

11 Calibration Fixtures/Modules Key Advantages: Automated system calibration Custom enclosure/configuration Inline calibration Thermal vacuum calibration Customize test o Signal conditioning o Harmonics Capabilities Including: Frequencies up to 32 GHz Multiport Signal routing Calibration standards Power sensors Noise sources Phase matching Amplifiers Filters Attenuators Couplers

12 Thermal Vacuum Solutions Capabilities Include: Switch matrices Amplification Frequency conversion Power detection Directional power detection Fiber optic (including power over fiber) Precision Temperature / Voltage monitoring Maintain Performance: DC to 32 GHz Operation from -30⁰ C to +70⁰ C <10-6 Torr vacuum VSWR 2:1 3 db Insertion loss 70 db Isolation >10W Power levels ± 0.5 db Repeatability ± 0.1⁰ Temperature monitoring ± 0.1 db Power uncertainty monitoring Switched attenuation Filtering Switch cycle count Position telemetry LAN control

13 Thermal Vacuum Solutions

14 Satellite Payload & Component Test Qualified RF TVAC compatible subsystems for inside thermal chambers conversion inside thermal chambers Eliminate most RF and DC cable penetrations through the TVAC chamber Daisy-chain unlimited number of switch matrices inside the chamber Use same test solution inside and outside of chamber Easy Control Via Ethernet: Ethernet controller designed specifically for RF/ microwave components Switch counter Position read back Switch rules Logical switch control SCPI over LAN Front panel control/ LED indicators

15 Automated RF Semiconductor Test Key Advantages: Automate system calibration Customize test fixturing o Signal conditioning o Harmonics Variety of form factors o Load boards o Virginia panels o Custom configurations Capabilities Including: Frequencies up to 40 GHz Multiport Signal routing Calibration standards Power sensors Noise sources Phase matching Amplifiers Filters Attenuators Couplers