JPH0464883U - - Google Patents
Info
- Publication number
- JPH0464883U JPH0464883U JP10732090U JP10732090U JPH0464883U JP H0464883 U JPH0464883 U JP H0464883U JP 10732090 U JP10732090 U JP 10732090U JP 10732090 U JP10732090 U JP 10732090U JP H0464883 U JPH0464883 U JP H0464883U
- Authority
- JP
- Japan
- Prior art keywords
- frequency band
- transmission frequency
- pilot signal
- band method
- transmission
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims 8
- 238000000034 method Methods 0.000 claims 5
- 238000001914 filtration Methods 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Details Of Television Systems (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の一実施例を示す回路図である
。
１，６……可変減衰回路、２……チルト調整回
路、３……増幅回路、４……低域ろ波回路、５…
…パイロツト信号発生器、７……混合回路、１０
……入力端子、１１……出力端子、１２，１３…
…モニタ端子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. 1, 6...Variable attenuation circuit, 2...Tilt adjustment circuit, 3...Amplification circuit, 4...Low frequency filter circuit, 5...
...Pilot signal generator, 7...Mixing circuit, 10
...Input terminal, 11...Output terminal, 12, 13...
...Monitor terminal.
Claims (1)
を入力しそのシステムチルトを第２の伝送周波数
帯域方式に対応するシステムチルトに変換するシ
ステムチルト変換手段と、前記システムチルト変
換手段の出力を入力し前記第２の伝送周波数帯域
方式の不要周波数帯域における信号レベルの減衰
を行うろ波手段と、前記第２の伝送周波数帯域方
式に対応するパイロツト信号を発生するパイロツ
ト信号発生手段と、前記ろ波手段の出力と前記パ
イロツト信号発生手段からのパイロツト信号とを
混合し前記第２の伝送周波数帯域方式のＣＡＴＶ
伝送信号として出力する混合出力手段とを備えた
ことを特徴とするＣＡＴＶ伝送周波数帯域変換器
。 system tilt converting means for inputting a CATV transmission signal of a first transmission frequency band method and converting the system tilt into a system tilt corresponding to a second transmission frequency band method; a filtering means for attenuating a signal level in an unnecessary frequency band of the second transmission frequency band method; a pilot signal generating means for generating a pilot signal corresponding to the second transmission frequency band method; The output and the pilot signal from the pilot signal generating means are mixed to produce a CATV using the second transmission frequency band method.
A CATV transmission frequency band converter, comprising a mixing output means for outputting as a transmission signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10732090U JPH0464883U (en) | 1990-10-12 | 1990-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10732090U JPH0464883U (en) | 1990-10-12 | 1990-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464883U true JPH0464883U (en) | 1992-06-04 |
Family
ID=31853776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10732090U Pending JPH0464883U (en) | 1990-10-12 | 1990-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464883U (en) |
-
1990
- 1990-10-12 JP JP10732090U patent/JPH0464883U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03105039U (en) | ||
| JPH032716U (en) | ||
| JPH087691Y2 (en) | Frequency conversion circuit | |
| JPH0288379U (en) | ||
| JPS5545229A (en) | Tone quality adjustment unit | |
| JPH0334315U (en) | ||
| JPS6199199U (en) | ||
| JPS6316718U (en) | ||
| JPH0312595U (en) | ||
| JPH01142210U (en) | ||
| JPH0288380U (en) | ||
| JPS6068759U (en) | television receiver | |
| JPH0369918U (en) | ||
| JPS61134170U (en) | ||
| JPH01119209U (en) | ||
| JPH0170180U (en) | ||
| JPH04144424A (en) | Radio transmitter | |
| JPH0439717U (en) | ||
| JPS6359414U (en) | ||
| JPH01135860U (en) | ||
| JPS6421517U (en) | ||
| JPH045772U (en) | ||
| JPH02145829U (en) | ||
| JPH0164234U (en) | ||
| JPS6387955U (en) |