CFB0303 High Dynamic Range Low-Noise GaAs FET 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 50Ω ❏ 70 mil Package ❏ PHEMT Material Applications ❏ Cellular Base Stations ❏ PCS Base Stations ❏ Industrial Data Networks Description 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. Celeritek’s CFB0303 is a high performance GaAs PHEMT with 600 µm gate width and 0.25 µm 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 Electrical Specifications (TA = 25°C, 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 @ Noise Figure P-1 19.0 20.0 0.5 20.0 21.0 0.6 22.7 22.0 dB dB dBm 32 34 dBm 83 mA Transconductance Vds = 4 V, Vgs = 0 V Saturated Drain Current Pinchoff Voltages Vds = 4 V, Vgs = 0 V Vds = 4 V, Ids = 1 mA Thermal Resistance @ Tcase = 150°C liquid crystal test +5 dBm POUT/Tone @ P-1 350 80 mho 140 240 mA -0.3 V 200 °C/W Notes: 1. @ T case = 25°C. Derate 5 mW/°C for Tcase >25°C. 2. Input matched for low noise. 3. Matched for power transfer. Typical Scattering Parameters (TA = 25°C, VDS = 4 V, IDS = 75 mA) S11 S21 S12 S22 Frequency (GHz) Mag Ang Mag (dB) Ang MAG (dB) ANG MAG 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 Advanced Product Information - June 2002 (2 of 2) Typical Noise Parameters (Vds = 4 V, Ids = 75 mA) Frequency (GHz) 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 Fmin 1 (dB) 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 Gamma Opt Mag Ang 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 Absolute Maximum Ratings Parameter Rn/50 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 Symbol Rating Vds Vgs Ids Pt Tch Tstg +8V -5V Idss 750 mW 175°C -65°C to +150°C 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