outline drawing internet http://www.minicircuits.com p.o. box 350166, brooklyn, new york 11235-0003 (718) 934-4500 fax (718) 332-4661 distribution center s north america 800-654-7949 ? 417-335-5935 ? fax 417-335-5945 ? e urope 44-1252-832600 ? fax 44-1252-837010 mini-cir cuits ? mini-circuits iso 9001 & iso 14001 certified typical performance data directional coupler electrical speci?cations maximum ratings coaxial connections input 1 output 2 coupled 3 operating temperature -55c to 100c storage temperature -55c to 100c outline dimensions ( ) inch mm zfdc-20-3 mainline loss 0.0 0.1 0.2 0.3 0.4 0.5 0 50 100 150 200 250 frequency (mhz) mainline loss (db) at rf level of -10 dbm zfdc-20-3 coupling & directivity 0 10 20 30 40 50 60 70 0 50 100 150 200 250 frequency (mhz) coupling & directivity (db) coupling directivity at rf level of -10 dbm zfdc-20-3+ zfdc-20-3 zfdc-20-3 return loss 20 28 36 44 52 60 0 50 100 150 200 250 frequency (mhz) return loss (db) in out cpl at rf level of -10 dbm electrical schematic input output coupled 50 ? 0.2 to 250 mhz directional coupler rev. a m105018 zfdc-20-3 wz/td/cp/am 060803 coaxial a b c d e f g h 1 .25 1 .25 . 75 . 63 . 38 1 .00 . 125 1 .000 31.75 31.75 19.05 16.00 9.65 25.40 3.18 25.40 j k l m n p q w t - - - - . 125 1 .688 2 .18 . 75 . 07 g rams -- -- 3.18 42.88 55.37 19.05 1.78 7 0.0 case style: k18 connectors model price qty. bnc zfdc-20-3(+) $44.95 (1-9) sma zfdc-20-3-s(+) $49.95 (1-9) n-type zfdc-20-3-n(+) $49.95 (1-9) bracket (option"b") $2.50 (1+) l = low range [f l to 10 f l ] m = mid range [10 f l to f u /2] u= upper range [f u /2 to f u ] 1. mainline loss includes theoretical power loss at coupled port. frequency (mhz) mainline loss (db) in-out coupling (db) in-cpl directivity (db) in return loss (db) out cpl freq. range (mhz) coupling (db) mainline loss 1 directivity (db) vswr (:1) power input (w) l m u l m u l mu f l -f u nom. flatness typ. max. typ. max. typ. max. typ. min. typ. min. typ. min. typ. max. max. 0.2-250 19.5 0.5 0.25 0.35 0.6 0.25 0.5 0.35 0.6 36 25 33 25 25 20 1.2 1.5 4.0 features ? excellent directivity, 33 db typ. ? excellent insertion loss, 0.25 db typ. ? rugged shielded case applications ? vhf ? instrumentation + rohs compliant in accordance with eu directive (2002/95/ec) the +suf?x identi?es rohs compliance. see our web site for rohs compliance methodologies and quali?cations. bnc version shown 0.20 0.22 19.25 51.15 28.24 27.54 28.44 0.60 0.22 19.26 49.36 35.75 32.69 32.47 1.00 0.21 19.24 50.27 38.37 34.30 33.77 37.00 0.17 19.20 39.35 42.77 38.65 36.63 81.00 0.18 19.19 33.35 35.73 34.10 33.94 130.00 0.21 19.18 29.34 31.27 30.06 30.67 155.00 0.19 19.13 28.05 29.52 28.45 29.25 182.00 0.21 19.16 26.89 27.96 27.00 27.95 218.00 0.23 19.09 25.81 26.19 25.31 26.32 250.00 0.25 19.11 25.10 24.80 23.98 25.04
|
