{"title":"一种磁芯电压-频率转换器","authors":"S. Paull","doi":"10.1109/TSET.1963.4337592","DOIUrl":null,"url":null,"abstract":"In a Pulse Frequency Modulation (PFM) telemetering system, there is a need for a subcarrier oscillator with these characteristics: 1) operating frequency a linear function of a dc input control voltage, 2) high input impedance, 3) square wave output with constant amplitude over the entire frequency range, and 4) frequency stability within one cycle during gated on-off operation. This paper describes a method for controlling the frequency of a square-loop magnetic core oscillator by means of a dc voltage to give a voltage-to-frequency converter with the above characteristics. Various design considerations are discussed; and a voltage controlled oscillator that operates from 15 to 5 kc as the input control voltage varies from 0 to +5 volts is used as the design example.","PeriodicalId":153922,"journal":{"name":"IEEE Transactions on Space Electronics and Telemetry","volume":"123 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1963-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A Magnetic Core Voltage-to-Frequency Converter\",\"authors\":\"S. Paull\",\"doi\":\"10.1109/TSET.1963.4337592\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In a Pulse Frequency Modulation (PFM) telemetering system, there is a need for a subcarrier oscillator with these characteristics: 1) operating frequency a linear function of a dc input control voltage, 2) high input impedance, 3) square wave output with constant amplitude over the entire frequency range, and 4) frequency stability within one cycle during gated on-off operation. This paper describes a method for controlling the frequency of a square-loop magnetic core oscillator by means of a dc voltage to give a voltage-to-frequency converter with the above characteristics. Various design considerations are discussed; and a voltage controlled oscillator that operates from 15 to 5 kc as the input control voltage varies from 0 to +5 volts is used as the design example.\",\"PeriodicalId\":153922,\"journal\":{\"name\":\"IEEE Transactions on Space Electronics and Telemetry\",\"volume\":\"123 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1963-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Transactions on Space Electronics and Telemetry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TSET.1963.4337592\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Space Electronics and Telemetry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TSET.1963.4337592","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In a Pulse Frequency Modulation (PFM) telemetering system, there is a need for a subcarrier oscillator with these characteristics: 1) operating frequency a linear function of a dc input control voltage, 2) high input impedance, 3) square wave output with constant amplitude over the entire frequency range, and 4) frequency stability within one cycle during gated on-off operation. This paper describes a method for controlling the frequency of a square-loop magnetic core oscillator by means of a dc voltage to give a voltage-to-frequency converter with the above characteristics. Various design considerations are discussed; and a voltage controlled oscillator that operates from 15 to 5 kc as the input control voltage varies from 0 to +5 volts is used as the design example.
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