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Tektronix Inc. , manufacturer of oscilloscopes, announced that validation of ASICs designed in IBM’s 8HP silicon germanium (SiGe) BiCMOS Specialty Foundry technology are exceeding target specifications for a planned new performance oscilloscope capable of greater than 30 GHz bandwidth across multiple channels while minimizing noise found in older chip...
Understanding device behavior under desired operating conditions is a critical step in the design of any high performance active RF device (e.g., an amplifier or converter). If the component operates in continuous-wave (CW) mode, that characterization can be as simple as measuring its S-parameters using a vector network analyzer...
Passive intermodulation (PIM) has been recognized as a potential problem in communications systems for nearly 50 years. The phenomenon occurs when two or more signals encounter a nonlinear junction and “child” frequencies are generated that are mathematically related to the “parent” signals. With the advent of cellular communications, PIM...
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