Miscrowave & RF Magazine, Oct., 1989, p. 150, Tunable Filter Varies Bandwidth, Center Frequency. |
Electronics, Jul. 14, 1983, pp. 129-131, by Tomoki Uwano, Ceramic-Filled Resonator Cuts Costs of Radio-Telephone Filters. |
RF Design Magazine, Mar., 1989, pp. 35-42, 129-131, by Darioush Agahi, Motorola, Inc., Monolithic Ceramic Block Combline Bandpass Filters. |
Motorola, Inc., Technical Writing Services, No. 68P81049E82-D, Nov. 5, 1985-PHI, Trisolector Assembly and DYNAT-A-C Cellular Radiotelephone Transceiver Description. |
RF Circuit Design, 1985, by Chris Bowick, pp. 62-65. |
Motorola Technical Developments, vol. 8, Oct. 1988, p. 11, by Richard Kommerusch, Band Tunable Ceramic Block Filter. |