LGA Packaged Phase Shifter for GSM Base Stations PS094-315 Features ■ Designed for GSM 942.5 ± 17.5 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 Description The PS094-315 is a voltage controlled phase shifter specifically designed for use in power amplifier distortion compensation circuits centered at 942.5 MHz in GSM band base stations. Its characteristics are specified in a 35 MHz bandwidth. The PS094-315 employs a monolithic quadrature hybrid and a pair of selected silicon varactor diodes to achieve 100 degree phase shift and low insertion loss. The PS094-315 is packaged in the small outline LGA (Land Grid Array) surface mount package with the internal elements affixed to an organic BT substrate. Electrical Specifications at 25°C Parameter Condition Min. Frequency Range (BW) FO = 942.5 925 Phase Shift At FO, CV = 12 V 100 Phase Deviation in BW CV = 0–12 V Control Voltage (CV) Range Typ. Unit 960 MHz Deg. 1.5 0 Max. 2.0 Deg. 12 V Control Current CV = 12 V 1 µA Insertion Loss in BW CV = 0 V 2.3 dB I.L. Deviation in BW CV = 0–12 V 0.3 dB I.L. Variation At FO, CV = 0–12 V 0.75 dB VSWR in BW 1.8 IM3 PIN = 8 dBm, 900/905 MHz, CV = 0 V IP3 Derived from IM3 -50 33 Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A dBc dBm 1 LGA Packaged Phase Shifter for GSM Base Stations PS094-315 -1.5 0.5 -1.6 0.4 -1.7 0.3 12 V -1.8 -1.9 8V -2.0 -2.1 4V -2.2 0.2 Flatness (dB) Insertion Loss (dB) Typical Performance Data 0V 0.1 0 -0.1 -0.2 -2.3 -0.3 -2.4 -0.4 -2.5 0.92 -0.5 0.93 0.94 0.95 0.96 0 8 10 12 Insertion Loss vs. Frequency and Control Voltage Insertion Loss Flatness vs. Control Voltage 120 -10 4V -15 0V -20 8V 12 V -25 -30 8V 80 60 0.93 0.94 0.95 4V 40 20 -35 -40 0.92 12 V 100 Phase Shift (Degrees) Return Loss (dB) 6 Control Voltage (V) -5 0 0.92 0.96 0V 0.93 0.94 0.95 0.96 Frequency (GHz) Frequency (GHz) Input/Output Return Loss vs. Frequency and Control Voltage Phase vs. Frequency and Control Voltage 2.5 50 2.0 48 1.5 46 1.0 44 IP3 (dBm) Flatness (Degrees) 4 Frequency (GHz) 0 0.5 0 -0.5 42 40 38 -1.0 36 -1.5 34 -2.0 32 -2.5 30 0 2 2 2 4 6 8 10 12 0 2 4 6 8 10 12 Control Voltage (V) Control Voltage (V) Phase Flatness vs. Control Voltage IP3 vs. Control Voltage RF1 = 0.900 GHz, RF2 = 0.905 GHz @ 8 dBm Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A LGA Packaged Phase Shifter for GSM Base Stations GND Vcontrol Connection Diagram Vcontrol Pin Out (Bottom View) C1 C2 C3 PS094 Vcontrol RF IN/OUT 10 pF A1 A2 A3 GND IN/OUT B3 GND IN/OUT GND B1 PS094-315 CONTROL CURRENT Vcontrol RF IN/OUT 10 pF GND A3 IN/OUT B1 GND B3 GND C1 Vcontrol C2 GND C3 Vcontrol -315 A1 0.126 B (3.20 mm) 1 Absolute Maximum Ratings Characteristic Value RF Input Power 20 dBm Control Voltage 15 V Operating Temperature -40 to +85°C Storage Temperature -40 to +85°C 0.091 (2.32 mm) 0.193 (4.90 mm) 0.000 C1 C2 0.166 (4.22 mm) 0.193 (4.90 mm) A2 0.112 (2.85 mm) 0.135 (3.42 mm) IN/OUT 0.058 (1.48 mm) 0.081 (2.05 mm) Terminal Name A1 0.000 0.027 (0.68 mm) Terminal No. C3 0.079 (2.00 mm) 0.014 (0.36 mm) SUBSTRATE 0.024 (0.60 mm) 0.037 (1.00 mm) 0.047 (1.20 mm) 0.079 (2 mm) ENCAP B3 B1 A1 A2 A3 0.031 (0.775 mm) 0.054 (1.370 mm) Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A 3