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800-900 MHz +30 dBm Power GaAs FET
August 2006 - Rev 03-Aug-06
CFK2062-P1
Features High Gain +30 dBm Power Output Proprietary Power FET Process >40% Linear Power Added Efficiency Surface Mount SO-8 Power Package Applications ISM Band Base Stations and Terminals Cellular Base Stations and Terminals Wireless Local Loop
8 7 6 5 D GND GND D
Package Diagram
G GND GND G 1 2 3 4
Back Plane is Source
Description
The CFK2062-P1 is a high-gain FET intended for driver amplifier applications in high-power systems, and output stage usage in medium power applications at power levels up to +30 dBm. The device is easily matched and provides excellent
linearity at 1 Watt. 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.
Specifications (TA = 25C) The following specifications are
guaranteed at room temperature in Celeritek test fixture at 850 MHz.
Parameters Conditions Min Typ Max Units
SO-8 Power Package Physical Dimensions
Vd = 8V, Id = 400 mA (Quiescent) P-1 dB SSG 3rd Order Products (1) Efficiency @ P1dB Vd = 5V, Id = 600 mA (Quiescent) P-1 dB SSG
Parameters Conditions
29.0 30.0 18.0 20.0 -- -- -- --
Min
-- -- -- -- -- --
Max
dBm dB dBc % dBm dB
Units
30 40 29.5 19.0
Typ
gm Idss Vp BVGD JL (2)
Vds = 2.0V, Vgs = 0V Vds = 2.0V, Vgs = 0V Vds = 3.0V, Ids = 25 mA Igd = 2.5 mA @150C TCH
-- -- -- 15 --
650 1.4 -1.8 17 12
-- -- -- --
mS A Volts Volts C/W
Absolute Maximum Ratings
Parameter Symbol Rating
Drain-Source Voltage Gate-Source Voltage Drain Current Continuous Dissipation Channel Temperature Storage Temperature
VDS VGS IDS PT TCH TSTG
10V (3) -5V Idss 6W 175C -65C to +175C
Notes: 1. Sum to two tones with 1 MHz spacing = 25 dBm. 2. See thermal considerations information on page 4. 3. Maximum potential difference across the device (Vd + Vg) cannot exceed 12V.
Page 1 of 4
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Characteristic Data and Specifications are subject to change without notice. (c)2006 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
800-900 MHz +30 dBm Power GaAs FET
August 2006 - Rev 03-Aug-06
CFK2062-P1
Typical Scattering Parameters
Frequency (GHz) S11 Mag Ang Mag
(TA = 25C, Vds = 5 V, Ids = 600 mA)
S21 Ang Mag S12 Ang Mag S22 Ang
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 2.0 2.5 3.0 3.5 4.0
0.927 0.921 0.919 0.919 0.914 0.911 0.91 0.908 0.904 0.9 0.883 0.887 0.917 0.932 0.913
-129.75 -138.64 -145.3 -150.58 -154.69 -157.8 -160.09 -162.37 -164.19 -166.3 177.09 150.54 135.01 137.14 143.42
8.7 7.587 6.726 6.02 5.449 5.018 4.678 4.423 4.225 4.066 3.605 2.944 2.081 1.635 1.641
102.7 97.2 92.32 88.2 84.82 82.03 79.43 76.85 74.15 71.35 52.62 28.96 13.19 8.18 3.36
0.024 0.025 0.025 0.025 0.025 0.026 0.027 0.027 0.028 0.029 0.05 0.035 0.03 0.028 0.032
21.95 16.98 12.77 12.07 8.72 7.57 6.24 4.79 2.63 2.62 -10.6 -30.13 -41.27 -41.69 -41.15
0.576 0.588 0.597 0.6 0.6 0.597 0.594 0.588 0.578 0.567 0.512 0.539 0.623 0.643 0.557
-178.45 179.24 177.37 176.07 175.04 174.42 173.69 172.66 171.66 170.4 154.61 128.94 118.42 124.18 131.38
(TA = 25C, Vds = 8 V, Ids = 400 mA)
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 2.0 2.5 3.0 3.5 4.0 0.91 0.905 0.906 0.906 0.904 0.903 0.903 0.899 0.897 0.892 0.877 0.882 0.915 0.93 0.912 -131.25 -139.87 -146.47 -151.44 -155.33 -158.37 -160.69 -167.2 -164.68 -166.63 176.74 150.43 135.06 137.37 143.75 9.129 7.943 7.028 6.281 5.68 5.226 4.866 4.574 4.366 4.203 3.696 3.014 2.136 1.662 1.642 100.5 95.18 90.26 86.16 82.61 79.83 77.15 74.6 71.76 68.96 50.36 26.66 10.26 4.59 -0.35 0.026 0.026 0.026 0.027 0.027 0.027 0.027 0.028 0.029 0.03 0.035 0.036 0.031 0.027 0.031 17.07 13.22 11.05 8.59 6.34 3.72 3.34 0.5 1.6 -0.36 -13.77 -31.65 -46.6 -43.86 -43.95 0.521 0.534 0.543 0.547 0.548 0.547 0.544 0.538 0.53 0.519 0.463 0.486 0.579 0.611 0.541 -174.04 -176.65 -178.82 179.94 178.8 178.18 177.57 176.86 176.13 174.97 160.21 133.49 121.99 128.44 137.64
RF Match Data shown in the performance graphs was taken in the test circuit shown at right. Layout is important for proper operation. Phase length of input and output 50 line varies as a function of exact desired frequency of operation. Output shunt inductor effects output performance. Celeritek recommends the use of a high impedance printed inductor Lambda/4 in length.Please contact the factory for an evaluation board and/or more detailed application support.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 2 of 4
Characteristic Data and Specifications are subject to change without notice. (c)2006 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
800-900 MHz +30 dBm Power GaAs FET
August 2006 - Rev 03-Aug-06
CFK2062-P1
Typical Performance
Power Output & Power Added Efficiency vs Power Input 850 MHz, VDS = 8 V, I DS = 400 mA
35 50
Power Output & Power Added Efficiency vs Power Input 850 MHz, VDS = 5 V, IDS = 600 mA
35 55
Power Output (dBm)
30 25
Power Output (dBm)
Efficiency (%)
Efficiency 20 15 10
30 20 10 0 20
25 20 15 10 -5 5 10 Power Input (dBm) 20 Efficiency
35 25 15 5 0 15
-5
0
5 10 Power Input (dBm)
15
32
Power Output and Gain vs Frequency VDS =8V, I DS = 400 mA
23 32
Power Output and Gain vs Frequency VDS =5V, I DS = 600 mA
22
Power Output @ P-1 dB
Gain @ P-1 dB
31 30 Gain 29 28 825
Power Output
30 Gain 29 28 825
21 20 19 850 875 900 Frequency, MHz 925
20 19 18 925
850
875 900 Frequency, MHz
Power Output @ P-1 dB
Power Output
Gain @ P -1 dB
Power Output
28 Gain 25 22 19 3 4 5 Volts 6 7 8
20 19 18 17
30 27 24 21 3 4 5 Volts 6 7 8 Gain
21 20 19 18
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 3 of 4
Characteristic Data and Specifications are subject to change without notice. (c)2006 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
Gain @ P-1 dB
31
Power Output @ P-1 dB
34
Power Output and Gain vs Voltage @ 850 MHz IDS = 400 mA
22 21
Power Output and Gain vs Voltage @ 850 MHz IDS = 600 mA
36 33 23 22
Gain @ P -1 dB
31
Power Output
22
Power Output @ P -1 dB
21
Efficiency (%)
Power Output
40
30
Power Output
45
800-900 MHz +30 dBm Power GaAs FET
August 2006 - Rev 03-Aug-06
CFK2062-P1
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 baseplate 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, , is 12C/W. The thermal resistance to the reference screw is 14C/W. 1. Use 1 or 2 ounce copper if possible. 2. Solder all eight leads of the CFK2062-P1 package to the appropriate electrical connection. 3. Solder the copper pad on the backside of the CFK2062-P1 package to the ground plane. 4. Use a large 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 CFK2062-P1 package to provide a low thermal resistance path to the baseplate of the package.
Ordering Information
The CFK2062-P1 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 CFK2062-P1 CFK2062-P1-000T Function 800 - 900 MHz Power Stage 800 - 900 MHz Power Stage Package SO-8 surface mount power package SO-8 surface mount power package in tape and reel
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 4 of 4
Characteristic Data and Specifications are subject to change without notice. (c)2006 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.

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