JPS60155219U - programmable attenuator - Google Patents
programmable attenuatorInfo
- Publication number
- JPS60155219U JPS60155219U JP4216784U JP4216784U JPS60155219U JP S60155219 U JPS60155219 U JP S60155219U JP 4216784 U JP4216784 U JP 4216784U JP 4216784 U JP4216784 U JP 4216784U JP S60155219 U JPS60155219 U JP S60155219U
- Authority
- JP
- Japan
- Prior art keywords
- attenuation
- frequency
- amount
- correction data
- variable attenuator
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のプログラマブルアッテネータの一実施
例構成、第２図は周波数特性の補正値が記憶されている
周波数特性メモリの記憶内容説明図、第３図は補間値の
計算の仕方を説明している説明図、第４図はフローチャ
ートを示している。Fig. 1 shows the configuration of an embodiment of the programmable attenuator of the present invention, Fig. 2 is an explanatory diagram of the contents of the frequency characteristic memory in which frequency characteristic correction values are stored, and Fig. 3 explains how to calculate interpolated values. The explanatory diagram shown in FIG. 4 shows a flowchart.
Claims (1)
変減衰器１と；外部から所望の減衰量を設定するための
減衰量設定回路３と；周波数を設定する周波数設定回路
４と；前記可変減衰器１の周波数に対する減衰量の補正
データを記憶している周波数特性メモリ５と；減衰量設
定回路３に設定された減衰量と周波数設定回路４に設定
された周波数とから周波数特性メモリ５に記憶されてい
る所望の補正データを読出す補正データ読出し回路６と
；周波数特性メモリ５から読出された減衰量の補正デー
タに基づき前記周波数に対する減衰量の補正値を計算す
る計算手段７と；該計算手段７で計算された補正値に基
づき可変減衰器１の減衰量が直値になるように前記可変
減衰器１の減衰量を制御する可変減衰器制御手段１２と
を備差たプログラマブルアッテネータ。a variable attenuator 1 that combines a plurality of attenuators to obtain a desired amount of attenuation; an attenuation amount setting circuit 3 that sets a desired amount of attenuation from the outside; a frequency setting circuit 4 that sets a frequency; A frequency characteristic memory 5 stores correction data of the amount of attenuation with respect to the frequency of the frequency characteristic memory 5; a correction data reading circuit 6 for reading out desired correction data that has been read out; a calculation means 7 that calculates an attenuation correction value for the frequency based on the attenuation correction data read from the frequency characteristic memory 5; A programmable attenuator comprising variable attenuator control means 12 for controlling the attenuation amount of the variable attenuator 1 so that the attenuation amount of the variable attenuator 1 becomes a direct value based on the correction value calculated by the means 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4216784U JPS60155219U (en) | 1984-03-24 | 1984-03-24 | programmable attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4216784U JPS60155219U (en) | 1984-03-24 | 1984-03-24 | programmable attenuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60155219U true JPS60155219U (en) | 1985-10-16 |
| JPH021952Y2 JPH021952Y2 (en) | 1990-01-18 |
Family
ID=30552665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4216784U Granted JPS60155219U (en) | 1984-03-24 | 1984-03-24 | programmable attenuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60155219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013148549A (en) * | 2012-01-23 | 2013-08-01 | Nec Network & Sensor Systems Ltd | Apparatus and method for adjusting high-frequency-band variable attenuator |
-
1984
- 1984-03-24 JP JP4216784U patent/JPS60155219U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013148549A (en) * | 2012-01-23 | 2013-08-01 | Nec Network & Sensor Systems Ltd | Apparatus and method for adjusting high-frequency-band variable attenuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH021952Y2 (en) | 1990-01-18 |
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