PL93932B2 - - Google Patents

Download PDF

Info

Publication number
PL93932B2
PL93932B2 PL177428A PL17742875A PL93932B2 PL 93932 B2 PL93932 B2 PL 93932B2 PL 177428 A PL177428 A PL 177428A PL 17742875 A PL17742875 A PL 17742875A PL 93932 B2 PL93932 B2 PL 93932B2
Authority
PL
Poland
Prior art keywords
antenna
wave
capacitance
matching circuit
antenna rod
Prior art date
Application number
PL177428A
Other languages
English (en)
Polish (pl)
Other versions
PL93932B1 (cs
Inventor
Kaniewski Jerzy
Original Assignee
Zaklady Elektroniczne Im Franka Zubrzyckiego „Warel"
Filing date
Publication date
Application filed by Zaklady Elektroniczne Im Franka Zubrzyckiego „Warel" filed Critical Zaklady Elektroniczne Im Franka Zubrzyckiego „Warel"
Priority to PL177428A priority Critical patent/PL93932B2/pl
Publication of PL93932B1 publication Critical patent/PL93932B1/xx
Publication of PL93932B2 publication Critical patent/PL93932B2/pl

Links

PL177428A 1975-01-20 PL93932B2 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL177428A PL93932B2 (cs) 1975-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL177428A PL93932B2 (cs) 1975-01-20

Publications (2)

Publication Number Publication Date
PL93932B1 PL93932B1 (cs) 1977-07-30
PL93932B2 true PL93932B2 (cs) 1977-07-31

Family

ID=

Similar Documents

Publication Publication Date Title
EP0828308B1 (en) Low-pass filter with directional coupler and portable telephone set using the same
JP3238167B2 (ja) チューニング可能なバンドパス・フィルタ
US4186359A (en) Notch filter network
FI106608B (fi) Sähköisesti säädettävä suodatin
US4571595A (en) Dual band transceiver antenna
KR100846486B1 (ko) 이미지 제거 안테나
DE69838561T2 (de) Funkgerät
EP0269064A2 (en) Filter combining surface acoustic wave resonators
US2964718A (en) Microwave circuits
US5812036A (en) Dielectric filter having intrinsic inter-resonator coupling
US6411176B1 (en) Voltage-controlled duplexer and communication apparatus
US20230216196A1 (en) Multi-band antenna and mobile terminal
EP0537798B1 (en) Microwave filter
US5077545A (en) Surface acoustic wave waveguide-coupled resonator notch filter
KR900008522B1 (ko) 송신선 장치
KR100393695B1 (ko) 스트립라인필터,그필터를갖는수신기및그필터를동조하는방법
EP0817312A2 (en) Antenna apparatus
GB692692A (en) Improvements in and relating to radio aerials
KR830009663A (ko) 다중대역 안테나 결합회로망
US3624515A (en) Ultrahigh frequency tuner with helical resonators coupled through apertures in shields
US5138288A (en) Micro strip filter having a varactor coupled between two microstrip line resonators
US2772355A (en) Wide range tuner
US3706948A (en) Comb-line filter structure having reduced length and width
PL93932B2 (cs)
US2921189A (en) Reduction of local oscillator radiation from an ultra-high frequency converter