outline dimensions ( ) inch mm maximum ratings features ? transmitter/receiver ? automatic test equipment ? wideband, dc to 2.0 ghz ? low video leakage, 15 mvp-p typ. ? excellent vswr, 1.2:1 typ. applications operating temperature -40c to 85c storage temperature -55c to 100c case style: xx211 price: $3.45 ea. qty (10) outline drawing m swt-4-20+ MSWT-4-20 electrical speci?cations freq. (ghz) insertion loss (db) 1db compr. (dbm) isolation (db) dc-100 mhz 1 00-500 mhz 5 00-1000 mhz 1 000-2000 mhz dc-100 mhz 1 00-500 mhz 5 00-1000 mhz 1 000-2000 mhz dc-100 mhz 1 00-500 mhz 5 00-1000 mhz 1 000-2000 mhz f l f u path typ. max. typ. max. typ. max. typ. max. typ. typ. typ. typ typ. min. typ. min. typ. min. typ. min dc 2.0 tx-j1/j2 0.9 1.2 1.1 1.5 1.25 1.8 1.45 2.2 18 25 28 29 51 44 34 27 26 21 19 15 j1/j2-rx 1.1 1.4 1.3 1.7 1.5 2.0 1.6 2.2 16 18 20 22 52 46 37 31 29 24 21 17 tx-rx 60 53 41 36 34 27 28 21 pin connections tx 2 rx 6 j1 4 j2 8 control 1 1 control 2 3 control 3 5 control 4 7 additional speci?cations control voltage -8/0 for compression spec, -8 to -5/0 for all other specs control current, ma 0.2 max to -8v, 0.02 max at 0 to -0.2v vswr(:1) dc-.1ghz 1.2 typ. 1.65 max. .1 -.5ghz 1.25 typ. 1. 8 max. .5 -1ghz 1 .4 typ. 1. 9 max. 1 -2ghz 1 .4 typ. 1. 7 max. rise/fall time (10%-90%), ns switching time, 50% of control to 90% rf(turn-on), ns 10% rf(turn-off), ns 2 typ. 4 typ 4 typ **video leakage, mvp-p 0/-5v control 15 typ. a b c d e f g .163 .210 .077 .250 .220 .050 .017 4.14 5.33 1.96 6.35 5.59 1.27 0.43 h j k m n p wt .009 .025 .030 .050 .030 .270 grams 0.23 0.64 0.76 1.27 0.76 6.86 0.10 the functional schematic diagram for a diversity application of the switch is shown in figure 1, with the required external components including 4 independent drivers at the control ports. when operation as a transfer switch is desired only 2 drivers are needed, one connected to the v1 and v3 ports together, and the other connected to the v2 and v4 ports. in either case, two dc return paths are needed for the control voltages, represented by the ground symbols in the diagram. these returns must be via oppositely situated rf ports (tx and rx or j1 and j2), and can be furnished incidentally by the user's rf terminating devices themselves. however, if those devices are ac-coupled (that is, they contain dc blocking capacitors), then the shunt resis - tors shown in the diagram are needed. the resistor should be installed either at the tx and rx ports (connection shown as solid), or at j1 and j2 (shown dotted), with equal effect. if one external rf device has a dc return to ground, for example, then only one resistor is needed; it must be installed at the opposite rf port of the switch. the resistance of each of the external dc returns should be 20k ohms or less, for proper on/off fets. control ports "on" path (other paths are "off") 1 2 3 4 0 -v -v -v t x -j 2 -v 0 -v -v t x -j 1 -v -v 0 -v r x -j 1 -v -v -v 0 r x -j 2 0 -v 0 -v t x -j 2 & r x -j 1 -v 0 -v 0 t x -j 1 & r x -j 2 application note for MSWT-4-20 transmit-receive switch: ** video leakage or break through is de?ned as leakage of switching signal to rf output ports. 1. rf power input (dbm), max. dc-100mhz 100-500 mhz 500-2000mhz ? steady state control 0/-8v 24 27 33 ? as a modulator 12 17 23 2. control current, 500 a (occurs at -9v to -12v typ.) demo board mcl p/n: tb-202 suggested pcb layout (pl-220) 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 50 ? transfer , dc t o 2.0 g h z low video leakage switch surface mount rev. b m 102713 m swt-4-20 wp/cp 060117 page 1 of 2 + rohs compliant in accordance with eu directive (2002/95/ec) the +suf?x identi?es rohs compliance . see our web site for roh s c ompliance methodologies and quali?cations.
MSWT-4-20 insertion loss 0.0 1.0 2.0 3.0 4.0 5.0 0 400 800 1200 1600 2000 frequency (mhz) insetion loss (db) tx-j1 rx-j2 at rf level of 0 dbm MSWT-4-20 isolation 0 20 40 60 80 100 0 400 800 1200 1600 2000 frequency (mhz) isolation (db) tx-j1 rx-j2 at rf level of 0 dbm MSWT-4-20 vswr 1.0 1.2 1.4 1.6 1.8 2.0 0 400 800 1200 1600 2000 frequency (mhz) vswr tx-j1 rx-j2 at rf level of 0 dbm freq. (mhz) on insertion loss (db) (ctrl 1 @-8v, ctrl 2 @ 0v) (ctrl 3 @-8v, ctrl 4 @ 0v) t x -j 1 r x -j 2 amplitude unbalance off insertion loss (db) (ctrl 1 @ 0v, ctrl 2 @ -8 v) (ctrl 3 @ 0v, ctrl 4 @ -8 v) t x -j 1 r x -j 2 vswr on t x -j 1 r x - j 2 x x x x x x x 1.00 8.49 23.49 38.48 60.98 98.46 210.93 308.39 503.33 623.29 750.75 930.69 1035.65 1245.58 1448.01 1552.98 1755.41 1860.38 1965.34 0.77 0.77 0.82 0.84 0.86 0.87 0.98 1.04 1.04 1.12 1.21 1.19 1.38 1.36 1.44 1.35 1.39 1.51 1.47 0.01 0.01 0.01 0.02 0.04 0.01 0.01 0.03 0.04 0.03 0.04 0.03 0.03 0.03 0.02 0.01 0.03 0.02 0.04 1.03 1.04 1.07 1.08 1.09 1.08 1.20 1.29 1.28 1.35 1.46 1.44 1.62 1.55 1.61 1.60 1.63 1.71 1.67 0.02 0.02 0.02 0.01 0.01 0.02 0.02 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.02 0.02 0.02 0.01 0.27 0.27 0.25 0.24 0.23 0.21 0.22 0.25 0.25 0.25 0.25 0.28 0.26 0.22 0.24 0.28 0.24 0.22 0.22 0.03 0.03 0.02 0.01 0.00 0.02 0.03 0.01 0.01 0.02 0.02 0.02 0.03 0.05 0.05 0.02 0.03 0.02 0.06 98.89 81.64 68.21 64.34 58.77 52.85 43.69 40.09 34.58 32.82 31.17 29.33 28.25 25.64 24.70 23.72 22.32 21.60 21.50 2.58 2.04 1.03 0.08 0.40 0.01 0.14 0.12 0.17 0.07 0.06 0.09 0.16 0.15 0.15 0.06 0.11 0.13 0.19 92.52 73.58 64.25 59.52 55.31 50.90 43.46 40.29 34.09 32.54 30.89 28.45 27.42 24.47 22.92 22.75 22.09 20.95 20.84 7.65 0.79 0.16 0.25 0.17 0.08 0.31 0.05 0.32 0.08 0.08 0.21 0.11 0.09 0.24 0.12 0.15 0.12 0.12 1.18 1.18 1.18 1.18 1.18 1.18 1.19 1.19 1.23 1.28 1.34 1.44 1.47 1.47 1.40 1.35 1.25 1.22 1.23 1.25 1.25 1.25 1.26 1.26 1.26 1.25 1.24 1.26 1.30 1.35 1.44 1.47 1.46 1.39 1.35 1.23 1.19 1.16 typical performance data m swt-4-20+ MSWT-4-20 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 page 2 of 2
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