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This paper describes the design of an improved planar Marchand balun for use in an efficient, low-cost, high-volume Automated Test Equipment (ATE) solution. Two different devices, sharing the same footprint, designed for broadband wireless access using the IEEE 802.16 d/e protocols at different frequency bands are production tested using the same load board. Two narrowband hybrid ring rat race baluns...
A folded planar Marchand balun with a parametrized isolation circuit is presented. The circuit is proposed for use in efficient, low-cost, high-volume test applications. Many radio designs use radio-frequency integrated circuits (RFICs) with differential inputs or outputs to reduce the effects of common-mode noise or interference. Most RF testing instrumentation, however, only provide single-ended...
This paper describes a folded planar Marchand balun with an isolation circuit. The circuit is proposed for use in efficient, low-cost, high-volume Automated Test Equipment (ATE) solutions. Many radio designs use radio-frequency integrated circuits (RFICs) with differential inputs or outputs to reduce the effects of common-mode noise or interference. Most RF ATEs, however, only provide single-ended...
This paper describes the steps taken to convert a low-volume test solution into an efficient, low-cost, high-volume Automated Test Equipment (ATE) solution. At the beginning of the project, two different devices, sharing the same footprint, designed for broadband wireless access using the IEEE 802.16 d/e protocols at different bands, were production tested using a hand-loaded low-volume test solution...
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