A Monolithic Dual Tone Multifrequency Receiver

IEEE Journal of Solid-State Circuits

Volumn 14, Issue 6, 1979, Pages 991-997

  White, Bertram J ^a   Jacobs, Gordon M ^a   Landsburg, George F ^a  

^a Silicon Systems Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INTEGRATED CIRCUITS, MONOLITHIC;

TELEPHONE CIRCUITS;

EID: 0018702026     PISSN: 00189200     EISSN: 1558173X     Source Type: Journal    
DOI: 10.1109/JSSC.1979.1051307     Document Type: Article

References (9)

1. B. J. White, G. M. Jacobs, and G. F. Landsburg, “A monolithic dual tone multi-frequency receiver,” in ISSCC Dig. Papers, Philadelphia, PA, Feb. 1979.
2. B. J. Hosticka, R. W. Brodersen, and P. R. Gray, “MOS sampled data recursive filters using switched capacitor integrators,” IEEE J. Solid-State Circuits, vol. SC-12, pp. 600–608, Dec. 1977.
3. G. M. Jacobs, D. J. Allstot, R. W. Brodersen, and P. R. Gray, “Design techniques for MOS switched capacitor ladder filters,” IEEE Trans. Circuits Syst., vol. CAS-25, pp. 1014–1021, Dec. 1978.
4. D. J. Allstot, R. W. Brodersen, and P. R. Gray, “MOS switched capacitor ladder filters,” IEEE J. Solid-State Circuits, vol. SC-13, pp. 806–814, Dec. 1978.
5. L. Shenker, “Pushbutton calling with a two-group voice-frequency code,” Bell Syst. Tech. J., pp. 235–255, Jan. 1960.
6. R. N. Battista, C. G. Morrison, and D. H. Nash, “Signaling system and receiver for touch tone calling,” IEEE Trans. Commun. Electron., pp. 9–17, Mar. 1963.
7. M. J. Callahan and H. L. Davis, “An integrated dual-tone multi-frequency decoder,” in ISSCC Dig. Papers, 1978.
8. M. Hammad, “Application note: CRC 8030 telephone DTMF receiver,” Collins Radio Group, Rockwell Int., May 1976.
9. G. Smarandoiu, D. A. Hodges, P. R. Gray, and G. F. Landsburg, “CMOS PCM voice encoder,” IEEE J. Solid-State Circuits, vol. SC-13, Aug. 1978.