design and specifications a r e subject to change without notice. ask facto r y for technical specifications befo r e pu r chase and/or use. whenever a doubt about safety issues arises f r om this p r oduct, please info r m us immediately for technical consultation. l construction n typical characteristics * 1 : external terminal resister (5 0 w ) must be connected * 2 : part no. of eh d is transfered from ehd to ehf inorder to standardize of part no. * 3 : 1db for narrow band l block diagram hybrid components directional coupler miniaturized, high efficency and low cost directional coupler made by hybrid ic's desigh knowhows and high precision pattern n features l miniature, thin (1. 6 1.6 0. 6 mm) and low cost l for 0.7 ghz~2.0 ghz frequency range l input/output port are alternative n recommended applications l portable telephone l personal handyphone system l mobile communication system l dual mode portable telephone 0.8~1.0 0.35db max 1 4 2db 1db * 3 1.3max 20db min 0.8~1.0 0.2db max 2 0 2db 1db * 3 1.3max 28db min 1.4~1.6 0.3db max 1 7 2db 1db * 3 1.3max 23db min 1.85~ 1.95 0.35db max 1 4 1db 1.3max 20db min 1.85~ 2.0 0.3db max 2 0 1db 1.3max 26db min 0.8~1.0 0.25db max 1 7 2db 1db * 3 1.3max 25db min 0.85~ 2.0 0.4db max 1 4 1db 1.3max 22db min 1.85~ 2.0 0.4db max 1 7 2db 1db * 3 1.3max 20db min 0.8~1.0 0.25db max 1 4 1db 1.3max 25db min 0.8~1.0 1.85~1.95 0.45db max 1 4 2db 1.3max 20db min 0.8~1.0 0.25db max 1 7 2db 1db * 3 1.3max 25db min ehdfd 1556 * 2 ehdfd 1555 * 2 ehdfd 1554 * 2 ehdfd 1553 * 2 ehffd 1550 ehffd 1540 * 1 ehffd 1541 * 1 ehffd 1543 ehffd 1544 ehffd 1552 ehdfd 1559 * 2 3. 2 1. 6 3.2 1. 6 3.2 1. 6 3. 2 1. 6 3.2 1. 6 1. 6 1. 6 1. 6 1. 6 1.6 1. 6 1. 6 1. 6 3.2 1. 6 3.2 1.6 part no. performance frequency (ghz) insertion loss (db) coupled value (db) v s w r isolation (db) size
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