Test and Measurement Channel

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A New Spread-spectrum Measurement Method for Satellite Transponder In-orbit Testing This article introduces a new measurement method for beginning-of-life and in-service testing of satellite transponders that utilizes spread-spectrum signals. The basics of this new method, which permit measurement of amplitude and group delay of a transponder channel, are presented....

ON THE COVER A Broadband Vector Network Analyzer Microwave Measurements Division, Anritsu Company Morgan Hill, CA A new high performance, broadband measurement solution is being introduced. The model ME7808A broadband vector network analyzer (VNA) covers the 40 MHz to 110 GHz frequency range in a single high speed sweep....

TECHNICAL FEATURE Frequency Control in a Low Voltage, Wide Tuning VCO Design at 2.4 GHz A low voltage and wide tuning range voltage controlled oscillator (VCO) at 2.4 GHz is developed for ISM applications. A design procedure with the parasitics of packaged devices considered is offered. A VCO with...

PRODUCT FEATURE Low Phase Noise Voltage Tunable Oscillators Paratek Columbia, MD Driven by the VCO market's insatiable need for lower phase noise and wider tuning ranges, a new line of voltage tunable oscillators (VTO) has been introduced with superior performance in these areas. The new VTOs operate at fundamental...