Two-Way 0° Power Splitter Combiner 1.71–1.99 GHz PD18-12 Features ■ Low Cost ■ Low Profile ■ Available in Small SOIC-8 Package ■ Tape & Reel Description The PD18-12 is a monolithic two-way in-phase hybrid junction tuned for the 1.71–1.99 GHz band. It offers low loss, high isolation, good input/output matching and exceptional phase/amplitude balance. It is available in the SOIC-8 leaded surface mount package. Electrical Specifications at 25°C Parameter Min. Frequency Typ. 1.71 Insertion Loss Less 3 dB Split 0.4 Isolation 20 Max. Unit 1.99 GHz 0.6 23 dB dB Input VSWR 1.3:1 1.5:1 Output VSWR 1.2:1 1.4:1 Amplitude Balance ±0.1 ±0.2 dB Phase Balance ±1.0 ±3.0 Deg. Pin Out Block Diagram GND 6 GND 5 4 Port 1 7 3 GND 8 GND PD18 2 IN/SUM 1 GND Port 2 Port 1 IN/SUM Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A Port 2 1 Two-Way 0° Power Splitter Combiner 1.71–1.99 GHz PD18-12 -3.0 1.5 -3.2 1.4 -3.4 Port 1 Port 2 -3.6 Output VSWR Insertion Loss (dB) Typical Performance Data 1.2 1.1 -3.8 -4.0 1.70 1.75 1.80 1.85 1.90 1.95 1.0 1.70 2.00 1.75 1.80 1.85 1.90 1.95 2.00 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Output VSWR vs. Frequency 0.10 0 Amp. Balance (dB) -5 Isolation (dB) 1.3 -10 -15 -20 0.05 0.00 -0.05 -25 -30 1.70 1.75 1.80 1.85 1.90 1.95 -0.10 1.70 2.00 1.90 1.95 2.00 Isolation vs. Frequency Amp. Balance vs. Frequency 3 Phase Balance (Deg.) Input VSWR 1.85 Frequency (GHz) 1.4 1.3 1.2 1.1 2 1.80 Frequency (GHz) 1.5 1.0 1.70 1.75 1.75 1.80 1.85 1.90 1.95 2.00 2 1 0 -1 -2 -3 1.70 1.75 1.80 1.85 1.90 1.95 2.00 Frequency (GHz) Frequency (GHz) Input VSWR vs. Frequency Phase Balance vs. Frequency Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A Two-Way 0° Power Splitter Combiner 1.71–1.99 GHz PD18-12 SOIC-8 Absolute Maximum Ratings Characteristic Value Input Power1 PIN 8 0.050 (1.27 mm) BSC 1.5 W CW Input Power2 0.75 CW Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 1. When used as a power divider with a 2.0:1 maximum VSWR on all ports. 2. When used as a power combiner with a 2.0:1 maximum VSWR on all ports. ,,,, ,,,, ,,,, ,,,, ,,,, ,,,,,, ,,,,,, ,,,, ,,,, ,,,, ,,,, 0.020 (0.51 mm) MAX. 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER 0.170 PD18 ,,,,, ,,,,, ,,,,, ,,, ,,, ,,, ,,, ,,, ,,,,, ,,,,, PIN 1 0.068 (1.73 mm) MAX. Recommended Board Layout 0.018 TYP. 0.244 (6.20 mm) 0.228 (5.80 mm) PIN 1 INDICATOR 0.029 TYP. 0.028 TYP. 0.197 (5.00 mm) 0.189 (4.80 mm) 0.010 (0.25 mm) 0.004 (0.10 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) 0.010 (0.25 mm) 0.007 (0.17 mm) 8˚ MAX. 0.020 DIA. VIA 3 PLACES Material is 10 mil FR4 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A 3