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CFB0303
Advanced Product Information June 2002 (1 of 2) Features Low-Noise Figure from 0.8 to 2.0 GHz High Gain High Intercept Point Highly Stable Easily Matched to 50 70 mil Package PHEMT Material Applications Cellular Base Stations PCS Base Stations Industrial Data Networks Description
Celeritek's CFB0303 is a high performance GaAs PHEMT with 600 m gate width and 0.25 m gate length. The low noise figure and high intercept point of this device makes it well suited for use as the low-noise amplifier of the base station receiver in PCS, Japanese PHS, AMPS, GSM and other communications systems. The CFB0303 is in an industry-standard 70 mil package. It is surface mountable and available in tape and reel.
High Dynamic Range Low-Noise GaAs FET
Electrical Specifications (TA = 25C, 2 GHz)
Parameters Conditions Min Typ Max Units
Vd = 4V, Id = 75 mA Noise Figure 2 Associated Gain 2 Pout 1, 3 IP3 3 Id 3 Transconductance Saturated Drain Current Pinchoff Voltages Thermal Resistance
@ Noise Figure P-1 +5 dBm POUT/Tone @ P-1 Vds = 4 V, Vgs = 0 V Vds = 4 V, Vgs = 0 V Vds = 4 V, Ids = 1 mA @ Tcase = 150C liquid crystal test
19.0 20.0 32
0.5 20.0 21.0 34 83 350
0.6 22.7 22.0
dB dB dBm dBm mA mho
80
140 -0.3 200
240
mA V C/W
Notes: 1. @ T case = 25C. Derate 5 mW/C for Tcase >25C. 2. Input matched for low noise. 3. Matched for power transfer.
Typical Scattering Parameters (TA = 25C, VDS = 4 V, IDS = 75 mA)
Frequency (GHz) S11 Mag Ang Mag (dB) S21 Ang MAG (dB) S12 ANG MAG S22 ANG
0.5 1.0 2.0 3.0 4.0 5.0
0.98 0.94 0.85 0.76 0.70 0.64
-24 -44 -80 -112 -134 -154
8.47 8.20 7.30 6.30 5.60 5.13
160 147 118 94 74 54
0.02 0.03 0.05 0.07 0.08 0.09
77 69 51 37 29 19
0.33 0.32 0.27 0.25 0.24 0.23
-9 -15 -36 -50 -55 -61
3236 Scott Boulevard
Santa Clara, California 95054
Phone: (408) 986-5060
Fax: (408) 986-5095
CFB0303
Fmin 1 (dB)
Advanced Product Information - June 2002
(2 of 2)
Typical Noise Parameters (Vds = 4 V, Ids = 75 mA)
Frequency (GHz) Gamma Opt Mag Ang Rn/50
Absolute Maximum Ratings
Parameter Symbol Rating
0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5
0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5
27 29 32 35 38 41 45 49 54 60
0.19 0.17 0.18 0.18 0.17 0.16 0.15 0.15 0.14 0.13
Drain-Source Voltage Gate-Source Voltage Drain Current Continuous Dissipation1 Channel Temperature Storage Temperature
Vds Vgs Ids Pt Tch Tstg
+8V -5V Idss 750 mW 175C -65C to +150C
Note: 1. Fmin values reflect the circuit losses in the test fixture when matched to optimum noise figure.
Notes
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. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" 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 product 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 and hold Celeritek and its officers, employees, subsidiaries, affiliates, 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 Celeritek was negligent regarding the design or manufacture of the part. Celeritek is a registered trademark of Celeritek, Inc. Celeritek, Inc. is an Equal Opportunity/Affirmative Action Employer.
3236 Scott Boulevard, Santa Clara, California 95054 Phone: (408) 986-5060 Fax: (408) 986-5095

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