KR940017328A - Dual band transmitter for small satellite earth station - Google Patents

Dual band transmitter for small satellite earth station Download PDF

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Publication number
KR940017328A
KR940017328A KR1019920027102A KR920027102A KR940017328A KR 940017328 A KR940017328 A KR 940017328A KR 1019920027102 A KR1019920027102 A KR 1019920027102A KR 920027102 A KR920027102 A KR 920027102A KR 940017328 A KR940017328 A KR 940017328A
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KR
South Korea
Prior art keywords
signal
band
ghz
transmission
frequency
Prior art date
Application number
KR1019920027102A
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Korean (ko)
Inventor
강근모
Original Assignee
정장호
금성정보통신 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 정장호, 금성정보통신 주식회사 filed Critical 정장호
Priority to KR1019920027102A priority Critical patent/KR940017328A/en
Publication of KR940017328A publication Critical patent/KR940017328A/en

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  • Radio Relay Systems (AREA)
  • Transmitters (AREA)

Abstract

본 발명은 소형위성지구국용 이중대역송신장치에 관한 것으로, 일정한 출력을 얻기 위한 가변감쇄부(20)와, 이 감쇄부(20)의 출력을 증폭하는 중간증폭부 (21), 외부적으로 입력되는 디지탈기준데이터를 아날로그변환하는 디지탈-아날로그변환부(22), 이 아날로그변환된 신호를 기초로 송신주파수를 결정하기 위해 스위칭부(24;25)를 선택구동하는 YIG 전압제어부(23), 선택된 스위칭부(24;25)를 통해 인가되는 송신기준신호와 상기 중간증폭된 신호를 혼합하는 혼합부(26), 이 혼합부(26)에서 혼합된 신호를 제1송신주파수(14GHz) 대역신호로 변환한 제1주파수신호발생부(28)와 제2송신주파수(6GHz)대역신호로 발생하는 제2주파수신호발생부 (21)로 구성된 것이다.The present invention relates to a dual band transmission apparatus for a small satellite earth station, comprising: a variable attenuator (20) for obtaining a constant output, an intermediate amplifier (21) for amplifying the output of the attenuator (20), and an external input. A digital-analog converter 22 for analog-converting the digital reference data to be converted; and a YIG voltage controller 23 for selectively driving the switching units 24 and 25 to determine a transmission frequency based on the analog-converted signal. A mixing unit 26 for mixing the transmission reference signal applied through the switching unit 24 and 25 and the intermediate amplified signal, and converting the mixed signal from the mixing unit 26 into a first transmission frequency (14 GHz) band signal. The first frequency signal generator 28 and the second frequency signal generator 21 generated by the second transmission frequency (6 GHz) band signal are configured.

Description

소형위성지구국용 이중대역 송신장치Dual band transmitter for small satellite earth station

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 소형위성지구국용 송신장치를 설명하는 블록도.2 is a block diagram illustrating a transmission apparatus for a small satellite earth station according to the present invention.

Claims (3)

일정한 출력을 얻기 위한 가변감쇄부(20)와, 이 감쇄부(20)의 출력을 증폭하는 중간증폭부(21), 외부적으로 입력되는 디지탈기준데이터를 아날로그변환하는 디지탈-아날로그변환부(22), 이 아날로그변환된 신호를 기초로 송신주파수를 결정하기 위해 스위칭부(24;25)를 선택구동하는 YIG전압 제어부(23), 선택된 스위칭부 (24;25)를 통해 인가되는 송신기준신호와 상기 주간증폭된 신호를 혼합하는 혼합부 (26), 이 혼합부(26)에서 혼합된 신호를 제1송신주파수(14GHz)대역신호로 변환한 제1주파수신호발생부(28)와 제2송신주파수(6GHz)대역신호로 발생하는 제2주파수신호발생부(29)로 구성된 것을 특징으로 하는 소형위성지구국용 이중대역송신장치.A variable attenuator 20 for obtaining a constant output, an intermediate amplifier 21 for amplifying the output of the attenuator 20, and a digital-analog converter 22 for analog-converting digital reference data input externally. And a YIG voltage control unit 23 for selectively driving the switching unit 24; 25 to determine the transmission frequency based on the analog-converted signal, and a transmission reference signal applied through the selected switching unit 24; 25. A mixing unit 26 for mixing the weekly amplified signal, a first frequency signal generating unit 28 and a second transmitting unit converting the mixed signal from the mixing unit 26 into a first transmission frequency (14 GHz) band signal; A dual band transmission device for a small satellite earth station, characterized in that it comprises a second frequency signal generator (29) that generates a frequency (6 GHz) band signal. 제1항에 있어서, 상기 제1송신주파수발생부(28)는 송신주파수(14GHz)대역만을 필터링하는 대역통과필터(28-1)와, 이 대역통과필터(28-1)를 통과한 신호를 위성에 도달할 수 있는 세기로 증폭하는 전력증폭부(28-2) 및 이 증폭기(28-2)의 증폭출력에 포함된 고조파성분을 제거하여 6GHz신호에 의해 해당 14GHz신호가 영향받지 않도록 하는 대역통과필터(28-3)로 구성된 것을 특징으로 하는 소형위성지구국용 이중대역송신장치.2. The first transmission frequency generator (28) according to claim 1, wherein the first transmission frequency generator (28) is a band pass filter (28-1) for filtering only a transmission frequency (14 GHz) band and a signal passing through the band pass filter (28-1). Power amplifier 28-2 that amplifies at the strength that can reach the satellite, and a band for removing the harmonic components included in the amplification output of the amplifier 28-2 so that the corresponding 14 GHz signal is not affected by the 6 GHz signal. A dual band transmission device for a small satellite earth station, characterized by a pass filter (28-3). 제1항에 있어서, 상기 제2송신주파수대역신호발생부(29)는 제2송신주파수 (6GHz)를 필터링하는 대역통과필터(29-1)와, 이 대역통과필터(19-1)의 출력을 위성송신을 위한 신호세기로 증폭하는 전력증폭기(29-2)로 구성된 것을 특징으로 하는 소형위성지구국용 이중대역송신장치.2. The second transmission frequency band signal generator 29 is provided with a band pass filter 29-1 for filtering a second transmission frequency (6 GHz), and an output of the band pass filter 19-1. A dual-band transmitter for a small satellite earth station, characterized in that consisting of a power amplifier (29-2) for amplifying the signal strength for satellite transmission. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920027102A 1992-12-31 1992-12-31 Dual band transmitter for small satellite earth station KR940017328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920027102A KR940017328A (en) 1992-12-31 1992-12-31 Dual band transmitter for small satellite earth station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920027102A KR940017328A (en) 1992-12-31 1992-12-31 Dual band transmitter for small satellite earth station

Publications (1)

Publication Number Publication Date
KR940017328A true KR940017328A (en) 1994-07-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920027102A KR940017328A (en) 1992-12-31 1992-12-31 Dual band transmitter for small satellite earth station

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KR (1) KR940017328A (en)

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