DE2262717A1 - Schaltungsanordnung fuer einen differenzverstaerker - Google Patents
Schaltungsanordnung fuer einen differenzverstaerkerInfo
- Publication number
- DE2262717A1 DE2262717A1 DE19722262717 DE2262717A DE2262717A1 DE 2262717 A1 DE2262717 A1 DE 2262717A1 DE 19722262717 DE19722262717 DE 19722262717 DE 2262717 A DE2262717 A DE 2262717A DE 2262717 A1 DE2262717 A1 DE 2262717A1
- Authority
- DE
- Germany
- Prior art keywords
- input
- signal
- circuit
- modulator
- amplifier
- 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
- 230000005669 field effect Effects 0.000 claims description 26
- 238000009499 grossing Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/02—Amplitude modulation, i.e. PAM
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21045671A | 1971-12-21 | 1971-12-21 | |
US05/351,502 US3944852A (en) | 1970-01-27 | 1973-04-16 | Electrical switching device and modulator using same |
US05/596,818 USRE29079E (en) | 1970-01-27 | 1975-07-17 | Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator |
US05/627,878 US3995178A (en) | 1971-09-27 | 1975-10-31 | Pulse-width and frequency modulator circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2262717A1 true DE2262717A1 (de) | 1973-06-28 |
Family
ID=27498804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19722262717 Pending DE2262717A1 (de) | 1971-12-21 | 1972-12-21 | Schaltungsanordnung fuer einen differenzverstaerker |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4871857A (xx) |
CA (1) | CA975850A (xx) |
CH (1) | CH584946A5 (xx) |
DE (1) | DE2262717A1 (xx) |
GB (1) | GB1421322A (xx) |
-
1972
- 1972-12-19 CH CH1847572A patent/CH584946A5/xx not_active IP Right Cessation
- 1972-12-20 CA CA159,483A patent/CA975850A/en not_active Expired
- 1972-12-21 GB GB543175A patent/GB1421322A/en not_active Expired
- 1972-12-21 JP JP12877572A patent/JPS4871857A/ja active Pending
- 1972-12-21 DE DE19722262717 patent/DE2262717A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1421322A (en) | 1976-01-14 |
CH584946A5 (xx) | 1977-02-15 |
CA975850A (en) | 1975-10-07 |
JPS4871857A (xx) | 1973-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OHJ | Non-payment of the annual fee |