JPH0197264U - - Google Patents
Info
- Publication number
- JPH0197264U JPH0197264U JP19254887U JP19254887U JPH0197264U JP H0197264 U JPH0197264 U JP H0197264U JP 19254887 U JP19254887 U JP 19254887U JP 19254887 U JP19254887 U JP 19254887U JP H0197264 U JPH0197264 U JP H0197264U
- Authority
- JP
- Japan
- Prior art keywords
- display
- frequency component
- analog
- digital converter
- change
- 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
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は棒状表示器における表示状況を示す正面
図、第３図は従来例を示すブロツク図、第４図は
従来例の棒状表示器における表示状況を示す正面
図である。
１……バンドパスフイルタ、２……アナログデ
ジタル変換器、３……演算手段、３ａ，３ｂ……
ラツチ回路、３ｃ……演算（引算）回路、４……
デジタルアナログ変換器、５……表示駆動手段、
６……棒状表示器。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a front view showing a display situation on a bar-shaped display, FIG. 3 is a block diagram showing a conventional example, and FIG. 4 is a front view showing a display situation on a conventional bar-shaped display. DESCRIPTION OF SYMBOLS 1...Band pass filter, 2...Analog-digital converter, 3...Arithmetic means, 3a, 3b...
Latch circuit, 3c... Arithmetic (subtraction) circuit, 4...
Digital-to-analog converter, 5...display driving means,
6...Bar-shaped indicator.
Claims (1)
フイルタと、上記特定周波数成分をデジタル化す
るアナログデジタル変換器と、上記アナログデジ
タル変換器から与えられた各周波数成分の増減の
変化分を算出する演算手段と、上記変化分を所定
基準レベルにおいて、増分および減分として表示
するように表示器に対して出力する表示駆動回路
とを具備することを特徴とするスペクトルアナラ
イザ。 a bandpass filter for extracting a specific frequency component of an input signal; an analog-to-digital converter for digitizing the specific frequency component; and an arithmetic means for calculating an increase or decrease in each frequency component given from the analog-to-digital converter. and a display drive circuit that outputs the change to a display so as to display the change as an increment or a decrement at a predetermined reference level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19254887U JPH0611479Y2 (en) | 1987-12-18 | 1987-12-18 | Spectrum analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19254887U JPH0611479Y2 (en) | 1987-12-18 | 1987-12-18 | Spectrum analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197264U true JPH0197264U (en) | 1989-06-28 |
| JPH0611479Y2 JPH0611479Y2 (en) | 1994-03-23 |
Family
ID=31483400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19254887U Expired - Lifetime JPH0611479Y2 (en) | 1987-12-18 | 1987-12-18 | Spectrum analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611479Y2 (en) |
-
1987
- 1987-12-18 JP JP19254887U patent/JPH0611479Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611479Y2 (en) | 1994-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5827732U (en) | Electronic scale display device | |
| JPH02122374U (en) | ||
| JPH03121514U (en) | ||
| JPH0299368U (en) | ||
| JPS5963513U (en) | Detection circuit | |
| JPS62195771U (en) | ||
| JPH0398585U (en) | ||
| JPS6355112U (en) | ||
| JPS62201016U (en) | ||
| JPS6132942U (en) | crystal thermometer | |
| JPS63190968U (en) | ||
| JPS6340051U (en) | ||
| JPS6364165U (en) | ||
| JPS63118644U (en) | ||
| JPS6437139U (en) | ||
| JPH0354046U (en) | ||
| JPS596776U (en) | Digital integrated power meter | |
| JPS6413537U (en) | ||
| JPS63131411U (en) | ||
| JPS6388759U (en) | ||
| JPH0157817U (en) | ||
| JPS5989270U (en) | digital voltmeter | |
| JPH0277665U (en) | ||
| JPH01156470U (en) | ||
| JPS6229657U (en) |