alpha industries, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 1/02a lga packaged phase shifter for dcs base stations features designed for dcs 1837.5 32.5 mhz band 100 degree phase shift range 1.5 degree phase deviation 0.3 db insertion loss deviation 0?12 v control voltage range specified 33 dbm ip3 small footprint lga package PS184-315 description the PS184-315 is a voltage controlled phase shifter specifically designed for use in power amplifier distortion compensation circuits centered at 1837.5 mhz in dcs band base stations. its characteristics are specified in a 70 mhz bandwidth. the PS184-315 employs a monolithic quadrature hybrid and a pair of selected silicon varactor diodes to achieve 100 degree phase shift and low insertion loss. the PS184-315 is packaged in the small outline lga (land grid array) surface mount package with the internal elements affixed to an organic bt substrate. preliminary parameter condition min. typ. max. unit frequency range (bw) f o = 1837.5 1805 1870 mhz phase shift at f o , c v = 12 v 100 deg. phase deviation in bw c v = 0?12 v 1.5 2.0 deg. control voltage (c v ) range 0 12 v control current c v = 12 v 1 a insertion loss in bw c v = 0 v 2.3 db i.l. deviation in bw c v = 0?12 v 0.3 db i.l. variation at f o , c v = 0?12 v 0.75 db vswr in bw 1.8 im3 p in = 8 dbm, 1900/1905 mhz, c v = 0 v -50 dbc ip3 derived from im3 33 dbm electrical specifications at 25c
2 alpha industries, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 1/02a lga packaged phase shifter for dcs base stations PS184-315 insertion loss vs. frequency and control voltage frequency (ghz) loss (db) -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1.0 1.805 1.820 1.835 1.850 1.865 1.880 0 v 4 v 8 v 12 v input/output return loss vs. frequency and control voltage frequency (ghz) return loss (db) 1.805 1.820 1.835 1.850 1.865 1.880 -60 -50 -40 -30 -20 -10 0 0 v 4 v 8 v 12 v insertion loss flatness vs. control voltage 04 2681012 flatness (db) control voltage (v) -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 phase vs. frequency and control voltage frequency (ghz) phase (degrees) 1.805 1.820 1.835 1.850 1.865 1.880 0 20 40 60 80 100 120 0 v 4 v 8 v 12 v phase flatness vs. control voltage 04 2681012 flatness (db) control voltage (v) -2.5 -2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0 2.5 3rd order intermod vs. control voltage rf 1 = 1.900 ghz, rf 2 = 1.905 ghz @ 8 dbm 04 2681012 intermod (dbm) control voltage (v) 30 32 34 36 38 40 42 44 46 48 50 typical performance data
lga packaged phase shifter for dcs base stations PS184-315 alpha industries, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@alphaind.com ? www.alphaind.com 3 specifications subject to change without notice. 1/02a characteristic value rf input power 20 dbm control voltage 15 v operating temperature -40 to +85c storage temperature -40 to +85c absolute maximum ratings terminal no. terminal name a 1 in/out a 2 gnd a 3 in/out b 1 gnd b 3 gnd c 1 vcontrol c 2 gnd c 3 vcontrol -315 b 3 b 1 c 1 c 2 c 3 a 1 a 2 a 3 0.091 (2.32 mm) 0.193 (4.90 mm) a 1 b 1 0.126 (3.20 mm) 0.079 (2 mm) encap 0.014 (0.36 mm) substrate 0.000 0.037 (1.00 mm) 0.047 (1.20 mm) 0.079 (2.00 mm) 0.031 (0.775 mm) 0.166 (4.22 mm) 0.135 (3.42 mm) 0.193 (4.90 mm) 0.081 (2.05 mm) 0.058 (1.48 mm) 0.027 (0.68 mm) 0.000 0.112 (2.85 mm) 0.054 (1.370 mm) 0.024 (0.60 mm) b 3 b 1 c 1 c 2 c 3 a 1 a 2 a 3 in/out gnd in/out gnd gnd vcontrol vcontrol gnd ps184 pin out (bottom view) vcontrol control current 10 pf 10 pf vcontrol rf in/out rf in/out connection diagram
|
