are caused by signs of progress early in a course of therapy. In the history of psychotherapy research , the expectancy construct emerged prematurely and without the empirical support necessary to establish its validity (Wilkins, 1973). In the absence of validating empirical evidence, subjective ex-pectancies remain interesting epiphe-nomena, rather than… (More)
Brainstem auditory-evoked responses (BSAER's) were obtained from 4 normal-hearing young adults to a 2-kc/s tonal stimulus of 2-, 3-, 4-, 5-, 6-, 7- or 8-msec duration at 60 db sensation level. Latency of Jewett Wave V was recorded averaging 4096 sweeps; stimuli had a 1-msec rise-fall time, with a 65-msec interstimulus interval. A Wave V response to the… (More)
This paper gives an overview of the preliminary reliability findings obtained through performing independent accelerated RF life testing as part of the European Space Agency GREAT 2 project.
We present the design and measured results for a 60 GHz double balanced sub-harmonic MMIC mixer fabricated using the TRW 0.15µm gate length GaAs pHEMT foundry process. The sub-harmonic mixer architecture eliminates the need for costly mm-wave sources that are usually required with conventional fundamental frequency mixers. The mixer has been integrated into… (More)
This paper reports on the component reliability improvement activities undertaken as part of the European Space Agency (ESA) GREAT<sup>2</sup> project, culminating in the first in-orbit demonstration of an X-band telemetry transmitter using European sourced GaN technology.