TRANSCEIVER SYSTEM OF AEROLOGICAL RADIOSONDE AND ITS DESIGN Russian patent published in 2003 - IPC

FIELD: radio engineering, measurement of distance to aerological radiosonde by pulse method and transmission of telemetering information on single carrier frequency, development of high-stability and economic transceiving systems. SUBSTANCE: technical task of invention lies in increase of operational qualities of radiosondes thanks to: development of design making it possible to raise abruptly stability of operation frequency, radiation power, sensitivity, technological obviousness of solution of this task, reduction of level of power consumed from supply source due to decrease of transmitted power in antenna and to increase of efficiency, low cost of hardware, building of structure integrating in one unit all antenna-feeder and transceiving parts which considerably simplifies tuning process and potential for complete intermatching of all electronic units which results in reduced mass and size characteristics and in increase of precise operation of aerological radiosonde. Transceiving system of aerological radiosonde incorporates unit of meteorological quantities, telemetering unit, voltage generator, SHF self-excited oscillator, unit stabilizing collector current, unit stabilizing voltage, antenna, power supply source, time-setting capacitor, blocking capacitor. Output of unit of meteorological quantities is connected through telemetering unit to input of voltage generator which output is coupled through time- setting capacitor to base of transistor of SHF self-excited oscillator. Power supply source is coupled to unit stabilizing voltage which first output is connected to supply inputs of telemetering unit and voltage generator which second output is linked to input of unit stabilizing collector current which outputs are connected to base of transistor of SHF self-excited oscillator and its collector correspondingly. Time-setting capacitor is also connected to base and antenna that is output of system is connected to collector. Structure of radiosonde includes radioparent case with cord for attachment of pilot balloon. Case is divided into three compartments accommodating telemetering unit, storage battery and systems of aerological radiosonde. Telemetering unit houses pressure transducer, humidity sensor and temperature-sensitive element are brought out. All electric connections between compartments utilize flat cables with connector assemblies. Antenna of transceiving system is positioned inside radioparent case to prevent any mechanical damage. Dimensions of case are minimal and are determined by sizes of electric and radio components located in compartments. EFFECT: increased operational qualities of radiosonde. 4 cl, 9 dwg