GB1485145A - Multi-channel diode switching circuits - Google Patents
Multi-channel diode switching circuitsInfo
- Publication number
- GB1485145A GB1485145A GB38228/74A GB3822874A GB1485145A GB 1485145 A GB1485145 A GB 1485145A GB 38228/74 A GB38228/74 A GB 38228/74A GB 3822874 A GB3822874 A GB 3822874A GB 1485145 A GB1485145 A GB 1485145A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diode
- diodes
- transistor
- circuit
- path
- 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
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
- H03K17/76—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
Landscapes
- Electronic Switches (AREA)
Abstract
1485145 Diode switching circuits SIEMENS AG 2 Sept 1974 [12 Sept 1973] 38228/74 Headings H3T and H3P In a multichannel r.f. switching circuit, each channel comprises one conductor at a reference potential and line conductor, a series diode and a shunt diode on the input side of the series diode and a drive circuit effective in response to said reference potential on its input to block the series diode and render the shunt diode conductive to form an effective termination of the channel. As described the circuit comprises a plurality of gates as shown in Fig. 2 each having a separate input I and common output O. Transistor T2 is normally blocked and T3 normally conductive so that + 5 v. is applied to the anode of D21 and D11 is reversed biased to block the signal path from I to O. To unblock the path, the base of transistor T1 is earthed, turning on transistors T1 and T2 and cutting off transistor T3. This reversed the bias conditions on diodes D11 and D21. The diodes D11 of the plurality of gates may be arranged in a star pattern around a common point on a printed circuit board having a ground plane on the other side, Fig. 3 (not shown). The remainder of the circuits are mounted on individual thickfilm circuit boards parallel to the main board and surrounding the diodes D11. The connections are arranged to equalize path-lengths and impedances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2648/CAL/1974A IN140731B (en) | 1973-09-12 | 1974-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732345988 DE2345988C3 (en) | 1973-09-12 | Multi-pole diode switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1485145A true GB1485145A (en) | 1977-09-08 |
Family
ID=5892370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38228/74A Expired GB1485145A (en) | 1973-09-12 | 1974-09-02 | Multi-channel diode switching circuits |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5078267A (en) |
| AT (1) | AT358126B (en) |
| BE (1) | BE819835A (en) |
| FR (1) | FR2243562B1 (en) |
| GB (1) | GB1485145A (en) |
| IT (1) | IT1021307B (en) |
| NL (1) | NL163924C (en) |
| SE (1) | SE395996B (en) |
| YU (1) | YU246774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2246257A (en) * | 1990-06-30 | 1992-01-22 | Ferguson Ltd | Switching circuits |
-
1974
- 1974-09-02 GB GB38228/74A patent/GB1485145A/en not_active Expired
- 1974-09-09 FR FR7430439A patent/FR2243562B1/fr not_active Expired
- 1974-09-12 SE SE7411510A patent/SE395996B/en unknown
- 1974-09-12 IT IT27204/74A patent/IT1021307B/en active
- 1974-09-12 YU YU02467/74A patent/YU246774A/en unknown
- 1974-09-12 NL NL7412142.A patent/NL163924C/en not_active IP Right Cessation
- 1974-09-12 AT AT737074A patent/AT358126B/en not_active IP Right Cessation
- 1974-09-12 JP JP49105465A patent/JPS5078267A/ja active Pending
- 1974-09-12 BE BE148454A patent/BE819835A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2246257A (en) * | 1990-06-30 | 1992-01-22 | Ferguson Ltd | Switching circuits |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7412142A (en) | 1975-03-14 |
| AU7320074A (en) | 1976-03-18 |
| YU246774A (en) | 1982-02-25 |
| DE2345988A1 (en) | 1975-04-10 |
| NL163924C (en) | 1980-10-15 |
| SE7411510L (en) | 1975-03-13 |
| BE819835A (en) | 1975-03-12 |
| IT1021307B (en) | 1978-01-30 |
| DE2345988B2 (en) | 1976-07-29 |
| FR2243562B1 (en) | 1976-12-31 |
| AT358126B (en) | 1980-08-25 |
| ATA737074A (en) | 1980-01-15 |
| SE395996B (en) | 1977-08-29 |
| NL163924B (en) | 1980-05-16 |
| JPS5078267A (en) | 1975-06-26 |
| FR2243562A1 (en) | 1975-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2002307A6 (en) | Semi-conductor integrated circuits. | |
| KR910001975A (en) | Semiconductor device and burn-in method | |
| GB1269592A (en) | Sub-element for electronic circuit board | |
| GB1503540A (en) | Matrix module and switching network | |
| GB997160A (en) | An operational amplifier with switched inputs | |
| GB1174455A (en) | Solid State Light Emitting Display with Memory. | |
| GB1485145A (en) | Multi-channel diode switching circuits | |
| GB1311138A (en) | Device and circuits for switching high-frequency energy | |
| GB1026841A (en) | Automatic control switchboard assembly | |
| GB1075085A (en) | Improvements in or relating to semiconductor devices | |
| GB1244926A (en) | Improvements in or relating to electrical control circuit arrangements | |
| GB1238589A (en) | ||
| GB1193316A (en) | Voltage Threshold Level Detector Circuit | |
| GB1038539A (en) | An indicating circuit, particularly for digital data storage apparatus | |
| GB1131778A (en) | Scanning circuit arrangement | |
| GB1273821A (en) | Sequence switching circuit | |
| GB1274469A (en) | A switching device | |
| US3665220A (en) | Cross-track distributor for video signals | |
| GB1354040A (en) | Analogue signal sorting circuit | |
| GB1042663A (en) | Signal sampling circuits | |
| GB912476A (en) | Printed circuit board | |
| DE50102016D1 (en) | ELECTRONIC SAFETY SWITCHGEAR | |
| US3596110A (en) | Wide band switching crosspoint system | |
| GB1205087A (en) | Improvements in or relating to distributed amplifers | |
| GB996381A (en) | Improvements in or relating to electric pulse transmission systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |