Coming Attractions Low Cost SMT 17dB Bi-Directional Coupler 824 - 960 MHz CH20-0032-17G V2.00 Features ● ● ● ● ● ● ● SO-8 Device is Bi-Directional Small Size and Low Profile Industry Standard SOIC-8 SMT Plastic Package Superior Repeatability Typical Insertion Loss 0.3 dB Typical Directivity 15 dB 2 Watt Power Handling PIN 8 .1497-.1574 (3.80-4.00) -B- Orientation mark PIN 1 .1890-.1968 (4.80-5.00) -A.004 (0.10) M/A-COM’s CH20-0032-17G is an IC based monolithic bidirectional coupler in a low cost SOIC-8 plastic package. This 17 dB coupler is ideally suited for applications where power monitoring, small size, low insertion loss, superior repeatability and low cost are required. Typical applications include base station switching networks, power monitoring in handhelds and other communication applications where size and PCB real estate is a premium. Available in tape and reel. The CH20-0032-17G is fabricated using a passiveintegrated circuit process. The process features full chip passivation for increased performance and reliability. .0532-.0688 (1.35-1.75) 0°-8° -C.0040-.0098 (0.10-0.25) Description .013-.020 TYP. (0.33-0.51) .050(1.27) BSC. .2284-.2440 (5.80-6.20) .010(0.25) M B M .0099-0.0196 x 45° Chamfer (0.25-0.50) .016-.050 (0.40-1.27) .0075-0.0098 (0.19-0.25) .010(0.25) M C A M B S 8- Lead SOP outline dimensions Narrow body .150 (All dimensions per JEDEC No. MS-012-AA, Issue C) Dimensions in ( ) are in mm. Unless Otherwise Noted: .xxx = ± 0.010 (.xx = ± 0.25) .xx = ± 0.02 (.x = ±0.5) Ordering Information Part Number CH20-0032-17G CH20-0032-17G-TR CH20-0032-17G-RTR Description SOIC-8 Lead Plastic Package Forward Tape & Reel* Reverse Tape & Reel* * If specific reel size is required, consult factory for part number assignment. Typical Electrical Specifications1 @ TA = +25°C Parameter Insertion Loss VSWR Coupling Coupling Flatness Directivity Unit Min. Typ. Max. dB dB dB dB 10 0.3 1.3:1 17 ±2 1.2 15 0.5 1.6:1 1.5 - 1. All specifications apply with a 50-ohm source and load impedance. M/A-COM, Inc. North America: The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction. Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 ■ 1 Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Low Cost SMT 17 dB Bi-Directional Coupler CH20-0032-17G V2.00 Functional Diagram Absolute Maximum Ratings 1 Parameter Input Power Operating Temperature Storage Temperature Absolute Maximum 2W CW -40°C to +85°C -65°C to +150°C -17dB 1 8 COUPLED RF IN 1. Exceeding these limits may cause permanent damage. GND GND GND GND Recommended PCB Configuration .035 TYP. .081 TYP. RF IN COUPLED .018 DIA. PLATED THRU (12X) .244 .050 DIA. PLATED THRU (2X) .030 TYP. RF OUT ISOLATED RF OUT 4 5 Note: Pins 2, 3, 6, and 7 must be RF and DC grounded. ISOLATED .072 TYP. .244 (Dimensions in Inches) Circuit Material: FR-4, 0.16 Thick Typical Performance @ +25°C INSERTION LOSS (dB) DIRECTIVITY (dB) DIRECTIVITY VS. FREQUENCY 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 INSERTION LOSS VS. FREQUENCY -0.3 -0.31 -0.32 -0.33 -0.34 -0.35 -0.36 820 840 860 880 900 920 940 820 840 960 860 880 900 920 940 960 FREQUENCY (MHz) FREQUENCY (MHz) VSWR VS. FREQUENCY -15.8 1.4 COUPLING VS. FREQUENCY COUPLING (dB) VSWR (dB) -16 1.36 1.32 1.28 1.24 -16.2 -16.4 -16.6 -16.8 -17 -17.2 1.2 810 840 870 900 930 960 820 840 2 860 880 900 920 940 The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction. North America: Tel. (800) 366-2266 Fax (800) 618-8883 960 FREQUENCY (MHz) FREQUENCY (MHz) ■ Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 ■ M/A-COM, Inc. Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020