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3236 scott boulevard santa clara, california 95054 phone: (408) 986-5060 fax: (408) 986-5095 cfk2162-p5 features o high gain o +34 dbm power output o proprietary power fet process o >45% linear power added efficiency o +29 dbm with 30 dbc third order products o surface mount so-8 power package applications o ism band base stations and terminals o pcs/pcn base stations and terminals o wireless local loop description the cfk2162-p5 is a high-gain fet intended for dri- ver amplifier applications in high-power systems, and output stage usage in medium power applications at power levels up to +34 dbm. the device is easily matched and provides excellent linearity at 2 watts. manufactured in celeritek s proprietary power fet process, this device is assembled in an industry standard surface mount so-8 power package that is compatible with high volume, automated board assembly techniques. 2.3 to 2.5 ghz +34 dbm power gaas fet product specifications july 1997 (1 of 4) 1 3 4 7 8 6 5 2 g g d d back plane is source gnd gnd gnd gnd package diagram notes: 1. sum to two tones with 1 mhz spacing = 29 dbm. 2. see thermal considerations information on page 4. 3. max (+v d ) and (-v g ) under linear operation. max potential difference across the device in rf compression (2v d + |-v g |) not to exceed the mini- mum breakdown voltage (v br ) of +18v. absolute maximum ratings parameter symbol rating drain-source voltage v ds 12v (3) gate-source voltage v gs -5v drain current i ds idss continuous dissipation p t 10w channel temperature t ch 175? storage temperature t stg -65? to +175? parameters conditions min typ max units v d = 8v, i d = 800 ma (quiescent) p -1db 33.0 34.0 dbm ssg 11.0 12.0 db 3rd order products (1) 26 30 dbc efficiency @ p1db 40 % v d = 5v, i d = 350 ma (quiescent) p -1db 30.0 dbm ssg 9.0 db v d = 5v, i d = 1200 ma (quiescent) p -1db 32.5 dbm ssg 10.0 db specifications (ta = 25?) the following specifications are guaranteed at room temperature in celeritek test fixture at 2.5 ghz. parameters conditions min typ max units g m vds = 2.0v, vgs = 0v 1700 ms i dss vds = 2.0v, vgs = 0v 2.8 a v p vds = 3.0v, ids = 65 ma -1.8 volts bv gd (3) igd = 6.5 ma 18 20 volts q jl (2) @150? tch 10 ?/w so-8 power package physical dimensions
3236 scott boulevard, santa clara, california 95054 phone: (408) 986-5060 fax: (408) 986-5095 cfk2162-p5 pr oduct specifications - july 1997 (2 of 4) rf match data shown in the performance graphs was taken in the test circuits shown at right and on page 3. layout is important for proper operation. phase length of input and out - put 50 line varies as a function of exact desired frequency of operation. output shunt inductor ef fects output perfor - mance. celeritek recommends the use of a high impedance printed inductor lambda/4 in length. please contact the facto - ry for an evaluation board and/or more detailed application support. t ypical scattering parameters (t a = 25 c, vds = 5 v , ids = 350 ma) frequency s 1 1 s 21 s 12 s 22 (ghz) mag ang mag ang mag ang mag ang 0.6 0.946 -162.45 4.973 86.73 0.017 1 1.14 0.739 172.95 1.0 0.946 -176.06 2.885 73.75 0.018 9.37 0.748 169.73 1.8 0.927 172.61 1.873 54.47 0.023 1.6 0.707 161.84 1.9 0.922 169.71 1.828 50.82 0.023 -0.79 0.70 158.98 1.5 0.938 178.31 2.055 63.25 0.02 4.93 0.73 167.15 2.0 0.918 166.09 1.777 46.63 0.025 -1.23 0.694 155.54 2.1 0.914 161.9 1.722 42.23 0.024 -4.64 0.69 151.93 2.2 0.912 157.79 1.664 37.59 0.026 -9.26 0.689 148.15 2.3 0.914 153.46 1.578 34.07 0.023 -17.03 0.703 143.83 2.4 0.914 148.95 1.503 29.83 0.023 -21.0 0.707 139.91 2.5 0.918 145.37 1.431 26.13 0.023 -22.87 0.714 137.02 2.6 0.921 141.59 1.344 22.16 0.022 -28.45 0.722 134.0 2.7 0.923 138.23 1.254 18.61 0.022 -28.3 0.735 131.62 3.0 0.941 132.34 1.033 10.1 1 0.022 -27.73 0.76 128.69 3.5 0.957 134.66 0.803 6.12 0.02 -21.78 0.787 132.92 4.0 0.94 138.76 0.803 1.66 0.023 -20.57 0.74 136.51 (t a = 25 c, vds = 5 v , ids = 1200 ma) 0.6 0.95 -165 5.31 1 84.94 0.014 13.61 0.747 17.19 1.0 0.951 -177.94 3.044 72.23 0.014 14.39 0.749 168.92 1.8 0.935 171.39 1.98 53.44 0.018 10.27 0.703 161.07 1.9 0.931 168.6 1.93 49.72 0.019 5.75 0.696 158.27 2.0 0.929 165.15 1.88 45.76 0.02 7.43 0.69 154.9 2.1 0.925 161.29 1.822 41.44 0.02 4.37 0.686 151.32 2.2 0.924 157.02 1.757 36.86 0.021 2.36 0.687 147.44 2.3 0.92 152.84 1.765 32.59 0.02 -5.07 0.679 144.99 2.4 0.923 148.35 1.673 28.03 0.021 -71.14 0.684 141.21 2.5 0.923 144.9 1.603 24.44 0.021 -9.31 0.692 138.25 2.6 0.927 141.0 1.503 20.51 0.02 -1 1.55 0.702 135.31 2.7 0.93 137.72 1.406 16.94 0.02 -14.27 0.71 1 132.91 3.0 0.947 131.72 1.09 9.25 0.018 -17.77 0.757 127.79 3.5 0.961 133.41 0.853 4.59 0.017 -13.03 0.779 131.26 4.0 0.945 137.83 0.85 0.36 0.021 -8.72 0.73 134.73 (t a = 25 c, vds = 8 v , ids = 800 ma) 0.6 0.941 -164.65 5.654 83.55 0.015 10.74 0.676 174.61 1.0 0.947 -177.32 3.25 70.1 1 0.015 8.2 0.688 171.96 1.8 0.93 171.59 2.058 49.6 0.018 6.89 0.652 165.68 1.9 0.927 168.63 2.006 45.54 0.019 3.81 0.644 163.07 2.0 0.923 165.04 1.99 41.52 0.019 -1.07 0.639 159.85 2.1 0.919 160.94 1.885 36.76 0.02 -1.68 0.635 156.23 2.2 0.917 156.65 1.714 32.35 0.02 -2.32 0.636 152.38 2.3 0.921 153.49 1.779 29.48 0.018 -14.97 0.642 148.42 2.4 0.921 149.12 1.688 24.79 0.018 -16.28 0.648 144.43 2.5 0.925 145.41 1.616 21.01 0.017 -20.8 0.656 141.59 2.6 0.927 141.65 1.518 16.92 0.017 -23.5 0.667 138.37 2.7 0.933 138.32 1.417 13.24 0.017 -25.79 0.681 136.05 3.0 0.944 131.73 1.1 16 3.58 0.018 -21.43 0.722 132.33 3.5 0.96 134.09 0.857 -1.39 0.016 -16.54 0.762 136.36 4.0 0.942 137.96 0.841 -6.32 0.02 -10.57 0.723 140.71 15 pf 1.8 pf rf out rf in cfk2162-p5, 5v , 350 ma 50 uuuu v g uuuu 100 pf 50 0.1 f 7.5 0.1 f 91 100 pf v d 1.5 pf 1.5 pf 1.8 pf 47 nh 100 nh
3236 scott boulevard santa clara, california 95054 phone: (408) 986-5060 fax: (408) 986-5095 power output & power added efficiency vs power input 2.45 ghz, v ds = 5 v, i ds = 1.2 a power input (dbm) power output (dbm) efficiency (%) efficiency power output 0 10 20 30 40 50 10 15 20 25 30 35 1 6 11 21 26 16 power output & power added efficiency vs power input 2.45 ghz, v ds = 8 v, i ds = 800 ma power input (dbm) power output (dbm) efficiency (%) efficiency power output 0 10 20 30 40 50 10 15 20 25 30 35 0 5 10 20 25 15 frequency, ghz power output @ p -1 db gain @ p -1 db power output 11 12 13 14 9 gain 29 31 33 35 37 power output and gain vs frequency v ds =5v, i ds = 1200 ma 2.3 2.4 2.5 2.25 2.45 power output & 3rd order products vs power input 2.45 ghz, v ds = 5 v, i ds = 1.2 a power input (dbm) power output (dbm) 3rd order products (dbc) 3rd order products power output 55 45 35 25 15 5 10 15 20 25 30 35 1 6 11 21 26 16 power output & 3rd order products vs power input 2.45 ghz, v ds = 8 v, i ds = 800 ma power input (dbm) power output (dbm) 3rd order products (dbc) 3rd order products power output 55 45 35 25 15 5 10 15 20 25 30 35 0 5 10 20 25 15 frequency, ghz power output and gain vs frequency v ds =8v, i ds = 800 ma power output @ p -1 db gain 11 12 13 14 10 29 31 33 35 37 power output gain @ p -1 db 2.3 2.4 2.5 2.25 2.45 cfk2162-p5 pr oduct specifications - july 1997 (3 of 4) t ypical performance 15 pf 1.5 pf rf out rf in cfk2162-p5, 5v , 1200 ma 50 uuuu v g uuuu 100 pf 50 0.1 f 7.5 0.1 f 91 100 pf v d 1.8 pf 1.5 pf 1.2 pf 1.8 pf 47 nh 100 nh 15 pf 1.5 pf rf out rf in cfk2162-p5, 8v , 800 ma 50 uuuu v g uuuu 100 pf 50 0.1 f 7.5 0.1 f 91 100 pf v d 1.8 pf 0.6 pf 1.8 pf 47 nh 100 nh
3236 scott boulevard, santa clara, california 95054 phone: (408) 986-5060 fax: (408) 986-5095 cfk2162-p5 pr oduct specifications - july 1997 (4 of 4) celeritek reserves the right to make changes without further notice to any products herein. celeritek makes no warranty , representation or guarantee regarding the suitability of its products for any particular purpose, nor does celeritek assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability , including without limitation consequential or incidental damages. ? ypical?parameters can and do vary in dif ferent applications. all operating parameters, including ? ypicals?must be validated for each customer application by customer s technical experts. celeritek does not convey any license under its patent rights nor the rights of others. celeritek products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the celeritek prod uct could create a situation where personal injury or death may occur . should buyer purchase or use celeritek products for any such unintended or unauthorized application, buyer shall indemnify an d hold celeritek and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly , any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ce leritek was negligent regarding the design or manufacture of the part. celeritek is a registered trademark of celeritek, inc. celeritek, inc. is an e qual opportunity/af firmative action employer . ordering information the cfk2162-p5 power stage is available in a so-8 surface mount package. devices are available in tape and reel. ordering part numbers are listed. part number for ordering function package cfk2162-p5 2.3 - 2.5 ghz power stage so-8 surface mount power package CFK2162-P5-000T 2.3 - 2.5 ghz power stage so-8 surface mount power package in tape and r eel thermal considerations the data shown was taken on a 31 mil thick fr-4 board with 1 ounce copper on both sides. the board was mounted to a base - plate with 3 screws as shown. the screws bring the top side copper temperature to the same value as the baseplate. the thermal resistance to the indicated reference lead, q jl , is 10 c/w . the thermal resistance to the reference screw is 12 c/w . 1. use 1 or 2 ounce copper if possible. 2. solder all eight leads of the cfk2162-p5 package to the appropriate electrical connection. 3. solder the copper pad on the backside of the cfk2162-p5 package to the ground plane. 4. use a lar ge ground pad area with many plated through-holes as shown. 5. if possible, use at least one screw no more than 0.2 inches from the cfk2162-p5 package to provide a low thermal resistance path to the baseplate of the package.
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