Preliminary Specifications Low Cost SMT 17 dB Bi-Directional Coupler 1700 - 2000 MHz CH20-0033-17G 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 17 dB 2 Watt Power Handling Description PIN 8 .1497-.1574 (3.80-4.00) -B- Orientation mark PIN 1 .1890-.1968 (4.80-5.00) -A- .0532-.0688 (1.35-1.75) 0°-8° -C- .004 (0.10) M/A-COM’s CH20-0033-17G is an IC based monolithic bi-directional 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 personal communication systems and other communication applications where size and PCB real estate is a premium. Available in tape and reel. .0040-.0098 (0.10-0.25) .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) The CH20-0033-17G is fabricated using a passiveintegrated circuit process. The process features full chip passivation for increased performance and reliability. Ordering Information Part Number CH20-0033-17G CH20-0033-17G-TR CH20-0033-17G-RTR Description SOIC-8 Lead Plastic Package Forward Tape and Reel* Reverse Tape and Reel* * If specific reel size is required, consult factory for part number assignment. Typical Electrical Specifications1, TA = +25°C, Parameters Units Insertion Loss Min. Typ. Max. dB - 0.3 0.5 - - 1.3:1 1.7:1 Coupling dB - 17 ±2 - Coupling Flatness dB - 1.2 1.5 Directivity dB 12 17 - VSWR 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 CH20-0033-17G V2.00 Absolute Maximum Ratings 1 Parameter Input Power Operating Temperature Storage Temperature Functional Diagram 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. Recommended PCB Configuration GND GND GND GND .035 TYP. ISOLATED RF OUT .081 TYP. RF IN COUPLED 4 5 .018 DIA. PLATED THRU (12X) .244 .050 DIA. PLATED THRU (2X) .030 TYP. RF OUT Note: Pins 2, 3, 6 and 7 must be RF and DC grounded. ISOLATED .072 TYP. .244 (Dimensions in Inches) Circuit Material: FR-4, .016 Thick Typical Performance @ +25°C DIRECTIVITY VS. FREQUENCY -10 0 COUPLING (dB) DIRECTIVITY (dB) 5 -5 -10 -15 -20 COUPLING VS. FREQUENCY -12 -14 -16 -18 -20 -25 1700 1750 1800 1850 1900 1950 1700 2000 1750 1800 FREQUENCY (MHz) 1900 1950 2000 VSWR VS. FREQUENCY 0 2 -0.2 1.8 VSWR (dB) INSERTION LOSS (dB) INSERTION LOSS VS. FREQUENCY -0.4 -0.6 -0.8 -1 1.6 1.4 1.2 1 1700 1750 1800 1850 1900 1950 2000 1700 1750 1800 FREQUENCY (MHz) 2 1850 FREQUENCY (MHz) 1850 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 1900 1950 2000 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