SU1171965A1 - Frequency-modulated signal discriminator - Google Patents
Frequency-modulated signal discriminator Download PDFInfo
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- SU1171965A1 SU1171965A1 SU833613811A SU3613811A SU1171965A1 SU 1171965 A1 SU1171965 A1 SU 1171965A1 SU 833613811 A SU833613811 A SU 833613811A SU 3613811 A SU3613811 A SU 3613811A SU 1171965 A1 SU1171965 A1 SU 1171965A1
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- SU
- USSR - Soviet Union
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- output
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- surface acoustic
- frequency
- pin
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- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
ДЕТЕКТОР ЧАСТОТНО-МОДУЛИРОВАННЫХ СИГНАЛОВ, содержащий преобразователь вида модул ции на поверхностных акустических волнах и амплитудный детектор, при этом преобразователь вида модул ции на поверхностньк акустических волнах выполнен в виде одного входного и двух выходных встречно-штыревых преобразователей, расположенных на пьезоподложке по обе стороны от входного встречно-штьфевого преобразовател , о.тличающийс тем, что, с целью увеличени коэффициента передачи и упрощени конструкции , выходные встречно-штыревые преобразователи выполнены одинаковыми , рассто ние между входным и выходными встречно-штыревыми преобразовател ми выбрано из соотношени L-2 ь l I 24F 2 и j- рассто ни между входным и первым выходным, входным и вторым выходным встречно-штыревыi . ми преобразовател ми (Л соответственно; V - скорость распространени поверхностной акустической волныу лР - Полоса частот детектируемого сигнала, при этом выходные электроды выходных встречно-штыревых преобразователей попарно объединены и подключены к амплитудному детектору. Эд СЛDETECTOR OF FREQUENCY-MODULATED SIGNALS, containing a modulation transducer for surface acoustic waves and an amplitude detector, with a modulation transducer for surface acoustic waves made in one input and two output anti-pin transducers located on the piezo-substrate on both sides of the input an anti-pin converter, which is distinguished by the fact that, in order to increase the transmission coefficient and simplify the design, the output anti-pin converter ers are identical, the distance between the input and output interdigital transducers is selected from the ratios of L-2 s l I 24F j- 2 and the distance between the input and the first output, a second input and an output counter-shtyrevyi. transducers (L, respectively; V is the propagation speed of the surface acoustic wave RR — The frequency band of the detected signal, the output electrodes of the output interdigital transducers are pairwise combined and connected to an amplitude detector. Ed SL
Description
Фиг.FIG.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833613811A SU1171965A1 (en) | 1983-07-01 | 1983-07-01 | Frequency-modulated signal discriminator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU833613811A SU1171965A1 (en) | 1983-07-01 | 1983-07-01 | Frequency-modulated signal discriminator |
Publications (1)
Publication Number | Publication Date |
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SU1171965A1 true SU1171965A1 (en) | 1985-08-07 |
Family
ID=21071522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU833613811A SU1171965A1 (en) | 1983-07-01 | 1983-07-01 | Frequency-modulated signal discriminator |
Country Status (1)
Country | Link |
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SU (1) | SU1171965A1 (en) |
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1983
- 1983-07-01 SU SU833613811A patent/SU1171965A1/en active
Non-Patent Citations (1)
Title |
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За вка GB № 1411466, кл. Н 03 D 3/16, 1975. Патент US № 3750027, кл. Н 03 D 3/06, 1973. * |
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