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Actions	Details Remove from selection Add to selection Title Folder titled, 'FM theory - sideband distortion', 1936-1953 Reference UK0108 SC MSS 278/02/08 Date 1936 to 1953 Creator Walter Leslie (Bill) (BSc Watton, ARCS, DIC, MIEE) Scope and Content Folder titled, 'FM theory - sideband distortion'. The folder includes; 1. 21-page manuscript paper titled, 'intermodulation in the mobile relay link', undated. A single sheet has been inserted in the paper titled, 'the tuned circuit', 17 September 1954. 2. 6-page typecript paper, with 3 circuit diagrams attached, titled, 'derivation of DC intervalve coupling circuits', dated 8 November 1939. The paper was written by A D Blumlein of EMI's Research Department. 3. 5-page typescript paper titled, '45 Mc/s radio link receiver', written by W L Watton, 13 November 1947. 4. Five hand-drawn charts from 1947 for the 45 Mc/s receiver showing; linearity of the picture amplifier; frequency response curves; linearity of the 45 Mc/s RF amplifier valves V8 and V9; and the effect of varying the gain. 5. Hand drawn circuit diagrams for 'AVC circuit to work with receiving equipment amp. 2A', October 1938. 6. 8-page typescript paper titled, 'receiver amplifier type 2A and AVC circuit designs of 5th October 1938', written by A D Blumlein (annotated and corrected versions). 7. Manuscript tables, circuit diagrams and notes on the receiver amplifier type 2A and AVC circuit designs from September and October 1938. 8. Manuscript 3-page document titled, 'notes on AGC unit TA 982', dated 13 July 1937. Also blueprint of circuit diagram for TA 982. 9. The Gramophone Co. Ltd, Hayes, Middlesex Research Department private & confidential experimental notebook number 92, dated 30 May 1939, written by W L Watton. The subject for the notebook is titled, 'equipment type 3: general information'. Inside the loose cover is a 6-page manuscript document titled, 'radio receiver type 3'. 10. EMI Research Laboratories Ltd report no. RC/39, written by W L Watton. Manuscript version of the report dated 19 March 1948 together with 9-page typescript version of the report titled, 'the diode detector', dated 29 April 1948. 11. Manuscript 9-page report by W L Watton titled, 'distortion of FM carriers in amplifier', dated 14 February 1950. 12. Manuscript 4-page report by W L Watton titled, 'note on FM discriminators', dated 3 July 1950. 13. Manuscript 6-page report by W L Watton titled, 'distortion in discriminator circuits', dated 29 September 1953. Exent 1 Folder Admin. history/Biography Walter Leslie (Bill) Watton [1907-2004], was born at South Stoneham, Hampshire in 1907, and was the eldest of 5 children. His family moved to Brighton during WWI where Walter was awarded several scholarships. Walter attended Brighton Municipal Technical School where he gained a University of London BSc at the age of 20 in 1927 (presented 9 May 1928, when he was aged 21). Walter then continued to study at Imperial College and was awarded its post graduate Diploma for work in the field of calorimetry. He also became an Associate of the Royal College of Science. After leaving Imperial College in April 1930, Bill worked for a brief period testing valves in Muswell Hill for Cambridge Instruments before joining Robert Watson-Watt's team at the Radio Research Laboratories in Slough (Bill was interviewed by Robert Watson-Watt). In January 1935 Bill left the Watson-Watt team to move to EMI at Hayes to work on television receivers and was part of the team that gave the first demonstration of the EMI system to the Postmaster General and the BBC. He also worked on the radio relay system supplied to the BBC for the outside broadcast of the 1937 Coronation. In November 1939 Bill was transferred back to work on radar devices and other highly secret work and ended up working with Alan Dower Blumlein. Later in WWII Bill was seconded from EMI to the Telecommunications Research Establishment at Malvern. Following WWII Bill went back to working with EMI on television development and helped to develop the equipment used for colour television. Bill became a Senior Engineer with EMI and by the 1960s was working for EMI's Telemetry Division, Feltham, on military developments and in particular RF characteristics of explosive devices. He pioneered measuring techniques and researches into the behaviour of these devices and was recognised as an expert in this field. This resulted in Bill sitting on a number of Ministry committees concerned with the safety of these devices in which capacity he visited North America and Australia. Bill finally retired from EMI in 1972. Bill was a member of the IEE for over 50 years. He joined the IEE as an Associate Member in 1947, and became a Member in 1966. A longer biography, written by Bill's daughter, is available from the IET Archives. Persons keyword Blumlein Alan Dower Level of description Item Hierarchy browser 110000003 Special Collection Manuscripts contains 321 parts UK0108 SC MSS 278 Walter Leslie Watton papers contains 9 parts UK0108 SC MSS 278/02 W L Watton's technical notes and notebooks, 1929-1971 contains 15 parts UK0108 SC MSS 278/02/08 Folder titled, 'FM theory - sideband distortion', 1936-1953

Title
Folder titled, 'FM theory - sideband distortion', 1936-1953
Reference
UK0108 SC MSS 278/02/08
Date
1936 to 1953
Creator
Walter Leslie (Bill) (BSc Watton, ARCS, DIC, MIEE)
Scope and Content
Folder titled, 'FM theory - sideband distortion'. The folder includes; 1. 21-page manuscript paper titled, 'intermodulation in the mobile relay link', undated. A single sheet has been inserted in the paper titled, 'the tuned circuit', 17 September 1954. 2. 6-page typecript paper, with 3 circuit diagrams attached, titled, 'derivation of DC intervalve coupling circuits', dated 8 November 1939. The paper was written by A D Blumlein of EMI's Research Department. 3. 5-page typescript paper titled, '45 Mc/s radio link receiver', written by W L Watton, 13 November 1947. 4. Five hand-drawn charts from 1947 for the 45 Mc/s receiver showing; linearity of the picture amplifier; frequency response curves; linearity of the 45 Mc/s RF amplifier valves V8 and V9; and the effect of varying the gain. 5. Hand drawn circuit diagrams for 'AVC circuit to work with receiving equipment amp. 2A', October 1938. 6. 8-page typescript paper titled, 'receiver amplifier type 2A and AVC circuit designs of 5th October 1938', written by A D Blumlein (annotated and corrected versions). 7. Manuscript tables, circuit diagrams and notes on the receiver amplifier type 2A and AVC circuit designs from September and October 1938. 8. Manuscript 3-page document titled, 'notes on AGC unit TA 982', dated 13 July 1937. Also blueprint of circuit diagram for TA 982. 9. The Gramophone Co. Ltd, Hayes, Middlesex Research Department private & confidential experimental notebook number 92, dated 30 May 1939, written by W L Watton. The subject for the notebook is titled, 'equipment type 3: general information'. Inside the loose cover is a 6-page manuscript document titled, 'radio receiver type 3'. 10. EMI Research Laboratories Ltd report no. RC/39, written by W L Watton. Manuscript version of the report dated 19 March 1948 together with 9-page typescript version of the report titled, 'the diode detector', dated 29 April 1948. 11. Manuscript 9-page report by W L Watton titled, 'distortion of FM carriers in amplifier', dated 14 February 1950. 12. Manuscript 4-page report by W L Watton titled, 'note on FM discriminators', dated 3 July 1950. 13. Manuscript 6-page report by W L Watton titled, 'distortion in discriminator circuits', dated 29 September 1953.
Exent
1 Folder
Admin. history/Biography
Walter Leslie (Bill) Watton [1907-2004], was born at South Stoneham, Hampshire in 1907, and was the eldest of 5 children. His family moved to Brighton during WWI where Walter was awarded several scholarships. Walter attended Brighton Municipal Technical School where he gained a University of London BSc at the age of 20 in 1927 (presented 9 May 1928, when he was aged 21). Walter then continued to study at Imperial College and was awarded its post graduate Diploma for work in the field of calorimetry. He also became an Associate of the Royal College of Science. After leaving Imperial College in April 1930, Bill worked for a brief period testing valves in Muswell Hill for Cambridge Instruments before joining Robert Watson-Watt's team at the Radio Research Laboratories in Slough (Bill was interviewed by Robert Watson-Watt). In January 1935 Bill left the Watson-Watt team to move to EMI at Hayes to work on television receivers and was part of the team that gave the first demonstration of the EMI system to the Postmaster General and the BBC. He also worked on the radio relay system supplied to the BBC for the outside broadcast of the 1937 Coronation. In November 1939 Bill was transferred back to work on radar devices and other highly secret work and ended up working with Alan Dower Blumlein. Later in WWII Bill was seconded from EMI to the Telecommunications Research Establishment at Malvern. Following WWII Bill went back to working with EMI on television development and helped to develop the equipment used for colour television. Bill became a Senior Engineer with EMI and by the 1960s was working for EMI's Telemetry Division, Feltham, on military developments and in particular RF characteristics of explosive devices. He pioneered measuring techniques and researches into the behaviour of these devices and was recognised as an expert in this field. This resulted in Bill sitting on a number of Ministry committees concerned with the safety of these devices in which capacity he visited North America and Australia. Bill finally retired from EMI in 1972. Bill was a member of the IEE for over 50 years. He joined the IEE as an Associate Member in 1947, and became a Member in 1966. A longer biography, written by Bill's daughter, is available from the IET Archives.
Persons keyword
Blumlein Alan Dower
Level of description
Item

Details