GB864264A - Improvements in or relating to electrical components - Google Patents
Improvements in or relating to electrical componentsInfo
- Publication number
- GB864264A GB864264A GB419458A GB419458A GB864264A GB 864264 A GB864264 A GB 864264A GB 419458 A GB419458 A GB 419458A GB 419458 A GB419458 A GB 419458A GB 864264 A GB864264 A GB 864264A
- Authority
- GB
- United Kingdom
- Prior art keywords
- series
- parallel
- network
- component
- branch
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
Landscapes
- Amplifiers (AREA)
Abstract
864,264. Valve oscillating circuits. MAYO, C. G., and WIGAN, E. R. Jan. 30, 1959 [Feb. 8, 1958], No. 4194/58. Class 40(6) [Also in Groups XXXVI and XL(b)] A frequency determining network for a selective amplifier or an R.C. oscillator comprises two electric components (see Group XXXVI) arranged to form a four terminal network having series resistance and shunt capacitance. As shown in Fig. 3 a frequency determining network has a first branch Y, comprising a first component RC1 in series with a capacitor Cl, connected in series with a second branch Z which comprises a second component RC2 in parallel with a second capacitor C2. The input to the network is applied across the two branches in series, and the output is taken across the branch Z. For the oscillator shown, the input voltage V1 to the network is taken from the output of an amplifier G and the output voltage V2 is fed back to the input of the amplifier to produce oscillation. Resistors and further capacitors may be connected in series and/or parallel with the components or branches to modify the response characteristic, for example to compensate for stray capacitance. The component is in the form of a distributed series R and parallel C line, either open circuit or short circuit at one end, the two terminals of the other end constituting the terminals of the component. Alternatively to modify the performance a finite termination, e.g. a parallel R.C. combination may be added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB419458A GB864264A (en) | 1958-02-08 | 1958-02-08 | Improvements in or relating to electrical components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB419458A GB864264A (en) | 1958-02-08 | 1958-02-08 | Improvements in or relating to electrical components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB864264A true GB864264A (en) | 1961-03-29 |
Family
ID=9772492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB419458A Expired GB864264A (en) | 1958-02-08 | 1958-02-08 | Improvements in or relating to electrical components |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB864264A (en) |
-
1958
- 1958-02-08 GB GB419458A patent/GB864264A/en not_active Expired
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