Name: | Philbrick Researches, George A (GAP/R).; Dedham, MA (USA) |
Abbreviation: | philbrick |
Products: | Model types |
Summary: |
George Arthur Philbrick built the first commercial Operational amplifier, the K2-W. The company was first in Boston, MA: 1956 at 230 Congress Street, 1958 at 285 Columbus Avenue and 1963 at 127, Clarendon Street, Boston 16. In 1968 they were in Dedham, MA, Allied Drive at Route 128 where they still could be found in 1982 as Philbrick/Nexus Research, A Teledyne Company. |
History: |
Some text from Joe Sousa in www.PhilbrickArchive.org: |
Country | Year | Name | 1st Tube | Notes |
---|---|---|---|---|
USA | 52/53 | Stabilizing Amplifier K2-P | 12AX7 | 1 tube and one Chopper Airpax A175. |
USA | 52 | K2-W Operational Amplifier | 12AX7A | Philbrick Researches, George A (GAP/R);Operational Amplifier model K2-W for Analog Computer. |
USA | 53 | Dual Power Supply R-100B | 12AU7 | Output +/-300 VDC, adjustable. |
USA | 50 | Integrating Component K3-J | 12AX7 | The K3-J is part of the second generation of the K3 series of Analog Computers modules. Th... |
USA | 63 | K2-XA Operational Amplifier | 12AX7A | Philbrick Researches, George A (GAP/R); Operational Amplifier model K2-XA for Analog ... |
USA | 58 | GAP/R K2-X Operational Amplifier | 12AX7A | |
USA | 66 | Solid State Operational Amplifier P55AU | It is an operational amplifier module with discrete components. The module is pluggable. T... |