ADVANCES IN LOCK-IN AMPLIFIERS

[1] PHASE SENSITIVE DETECTION AS A MEANS TO RECOVER SIGNALS BURIED IN NOISE [J]. JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1975, 8 (08): : 621 - 627

[2] ACCURATE BROAD-BAND SQUARE-TO-TRIANGLE CONVERTER [J]. ELECTRONICS LETTERS, 1977, 13 (13) : 381 - 382

[3] CARTER SF, 1977, ELECTRON LETT, V13, P339

[4] FISHER EH, 1977, LASER FOCUS, V11, P82

[5] HIEFTJE GM, 1972, ANAL CHEM, V44, P69

[6] HIEFTJE GM, 1972, ANAL CHEM, V44, P81

[7] MUNROE DM, 1973, HETERODYNING LOCKIN

[8] MUNROE DM, 1977, AM LABORATORY, V2, P119

[9] PHOTOACOUSTIC SPECTROSCOPY OF SOLIDS [J]. PHYSICS TODAY, 1975, 28 (09) : 23 - &

[10] TAUB H, 1971, PRINCIPLES COMMUNICA

[1] PHASE SENSITIVE DETECTION AS A MEANS TO RECOVER SIGNALS BURIED IN NOISE [J]. JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1975, 8 (08): : 621 - 627

[2] ACCURATE BROAD-BAND SQUARE-TO-TRIANGLE CONVERTER [J]. ELECTRONICS LETTERS, 1977, 13 (13) : 381 - 382

[3] CARTER SF, 1977, ELECTRON LETT, V13, P339

[4] FISHER EH, 1977, LASER FOCUS, V11, P82

[5] HIEFTJE GM, 1972, ANAL CHEM, V44, P69

[6] HIEFTJE GM, 1972, ANAL CHEM, V44, P81

[7] MUNROE DM, 1973, HETERODYNING LOCKIN

[8] MUNROE DM, 1977, AM LABORATORY, V2, P119

[9] PHOTOACOUSTIC SPECTROSCOPY OF SOLIDS [J]. PHYSICS TODAY, 1975, 28 (09) : 23 - &

[10] TAUB H, 1971, PRINCIPLES COMMUNICA