GB1073206A - Improvements in or relating to amplifier circuit arrangements - Google Patents

Improvements in or relating to amplifier circuit arrangements

Info

Publication number
GB1073206A
GB1073206A GB18429/66A GB1842966A GB1073206A GB 1073206 A GB1073206 A GB 1073206A GB 18429/66 A GB18429/66 A GB 18429/66A GB 1842966 A GB1842966 A GB 1842966A GB 1073206 A GB1073206 A GB 1073206A
Authority
GB
United Kingdom
Prior art keywords
valve
resistor
capacitor
output
cathode
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
Application number
GB18429/66A
Inventor
Edward Leonard Hentley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1073206A publication Critical patent/GB1073206A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/42—Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers
    • H03F3/44—Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only

Abstract

1,073,206. Valve amplifying circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. April 27, 1966 [April 30, 1965], No. 18429/66. Heading H3W. A valve-output stage of the single-ended push-pull type is reflexed to act also as an I.F. amplifier. Valves 1, 7 are series-connected via resistor 6, valve 7 being driven from the voltage developed across this resistor by returning its grid to the anode of valve 1; the output is taken from the cathode of valve 7 or a tapping on resistor 6, via D.C. blocking capacitor 8. In addition to the audio signal applied to valve 1 via capacitor 2, an I.F. signal is applied via tuned transformer 10 and capacitor 12. The valve 7 is driven from the I.F. signal developed across resistor 6, its cathode being earthed at these frequencies by means of capacitor 13: an I.F. output is taken from the anode by means of tuned transformer 14. In a modification (Fig. 2, not shown) the valves are in cascade connection for I.F. signals, the grid of the second valve (19) being earthed at I.F. by a capacitor (22) and obtaining bias from resistor (6) by means of a grid leak (21); to enable the cathode to be driven an I.F. choke (24) is interposed in the output lead to the loud-speaker.
GB18429/66A 1965-04-30 1966-04-27 Improvements in or relating to amplifier circuit arrangements Expired GB1073206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6505582A NL6505582A (en) 1965-04-30 1965-04-30

Publications (1)

Publication Number Publication Date
GB1073206A true GB1073206A (en) 1967-06-21

Family

ID=19793070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18429/66A Expired GB1073206A (en) 1965-04-30 1966-04-27 Improvements in or relating to amplifier circuit arrangements

Country Status (10)

Country Link
AT (1) AT269215B (en)
BE (1) BE680257A (en)
CH (1) CH449719A (en)
DE (1) DE1240939B (en)
ES (1) ES326097A1 (en)
FI (1) FI41969B (en)
FR (1) FR1478032A (en)
GB (1) GB1073206A (en)
NL (1) NL6505582A (en)
SE (1) SE317416B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0809050B1 (en) * 1996-05-20 2003-08-13 Yamaha Hatsudoki Kabushiki Kaisha Method of making a piston for an internal combustion engine
JP3705676B2 (en) 1997-04-10 2005-10-12 ヤマハ発動機株式会社 Manufacturing method of piston for internal combustion engine
JPH10288085A (en) 1997-04-10 1998-10-27 Yamaha Motor Co Ltd Piston for internal combustion engine
JPH1136030A (en) * 1997-07-17 1999-02-09 Yamaha Motor Co Ltd Aluminum alloy for piston, and manufacture of piston
US6032570A (en) * 1998-04-10 2000-03-07 Yamaha Hatsudoki Kabushiki Kaisha Composite piston for machine
JP3942129B2 (en) 1998-07-09 2007-07-11 ヤマハ発動機株式会社 Manufacturing method of forged piston and forging die

Also Published As

Publication number Publication date
CH449719A (en) 1968-01-15
AT269215B (en) 1969-03-10
BE680257A (en) 1966-10-28
DE1240939B (en) 1967-05-24
SE317416B (en) 1969-11-17
NL6505582A (en) 1966-10-31
FI41969B (en) 1969-12-31
ES326097A1 (en) 1967-07-01
FR1478032A (en) 1967-04-21

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