PDF SGA-7489 Data sheet ( Hoja de datos )

Número de pieza	SGA-7489
Descripción	DC-3000 MHZ SILICON GERMANIUM
Fabricantes	ETC
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No Preview Available ! Product Description Stanford Microdevices SGA-7489 is a high performance cascadeable 50-ohm amplifier designed for operation at 5 Volts DC. This RFIC uses the latest Silicon Germanium Heterostructure Bipolar Transistor (SiGe HBT) process featuring 1 micron emitters with FT up to 50 GHz. Preliminary SGA-7489 DC-3000 MHz Silicon Germanium HBT Cascadeable Gain Block This circuit uses a darlington pair topology with resistive feedback for broadband performance as well as stability over its entire temperature range. Internally matched to 50 ohm impedance, the SGA-7489 requires only DC blocking and bypass capacitors and a bias inductor for external components. Frequency performance may be extended using the 2 GHz application circuit shown on sheet 5. S21 vs. Frequency, T=+25C, Id=130 mA 25 20 Product Features DC-3000 MHz Operation Single Voltage Supply High Output Intercept: +36 dBm typ. at 850 MHz Low Noise Figure: 2.9 dB typ. at 850 MHz 15 Applications 10 Oscillator Amplifiers 5 PA for Low / Medium Power Applications IF/ RF Buffer Amplifier 0 0 500 1000 1500 2000 2500 3000 Drivers for CATV Amplifiers Frequency (MHz) LO Driver Amplifier Symbol Parameters: Test Conditions: Z0 = 50 Ohms, ID = 130 mA, T = 25oC P1dB Output Power at 1dB Compression f = 100 MHz f = 500 MHz f = 850 MHz f = 1950 MHz * Units dBm dBm dBm dBm Min. Typ. 22.8 22.6 22.4 20.3* Max. Notes * Using 2 GHz App.Ckt. (sheet 5) IP3 Third Order Intercept Point Power out per tone = 0 dBm f = 100 MHz f = 500 MHz f = 850 MHz f = 1950 MHz * dBm dBm dBm dBm 38.6 37.2 36.0 35.7* * Using 2 GHz App.Ckt. (sheet 5) S21 Small Signal Gain f = 100 MHz f = 500 MHz f = 850 MHz f = 1950 MHz * dB dB dB dB 23.7 23.0 22.0 18.3* * Using 2 GHz App.Ckt. (sheet 5) Bandwidth S11 S22 (Determined by S11, S22 Values) Input Return Loss Output Return Loss S12 Reverse Isolation f = DC-3000 MHz f = DC-3000 MHz f = 100 MHz f = 500 MHz f = 850 MHz f = 1950 MHz * MHz dB dB dB dB dB dB 3000 11.8 9.3 25.8 25.8 25.4 22.7* * Using 2 GHz App.Ckt. (sheet 5) NF Noise Figure, ZS = 50 Ohms f = 850 MHz dB 2.9 VD Rth,j-l Device Voltage Thermal Resistance (junction - lead) V o C/W 5.0 82 The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 2001 Stanford Microdevices, Inc. All worldwide rights reserved. 726 Palomar Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.stanfordmicro.com 1 EDS-101801 Rev A 1 page RF input 2 GHz Application Ckt. Board +Vcc Ground Rb1 Rb2 CM1 Cc1 IN SGA-7489 Cd2 Cd1 Lb CM2 Cc1 OUT STANFORD MICRODEVICES ECB-100607 Rev-A SOT-89 Eval Board +7V Rb2 Rb1 Cd1 Z1 CM1 Cc1 Z2 SGA-7489 Z3 SGA-7489 2 GHz Application Circuit PPrreelliimmiinnaarryy SGA-7489 DC-3000 MHz 5V SiGe Amplifier The SGA-7489 may be tuned in the manner shown below for operation at 2 GHz. Cd2 Lb Cc2 CM2 Component Parts List Component Value Type Manufacturer P/N Cc1,Cc2, Cd1 100 pF ROHM MCH185A101JK CM1 1.2 pF ROHM MCH185A1R2JK CM2 1.5 pF ROHM MCH185A1R5JK Cd2 0.1 uF ROHM MCH182FN1042K Lb 22 nH TOKO LL1608FS22NJ Rb1,Rb2 30 Ohms, 1/4 ROHM W Type MRC 18 Table of Delay Elements RF Output Ref. Zo Phase Delay @ 2 GHz Desig. (Ohms) (Degrees) Z1 50 Z2 50 Z3 50 14.5 34.1 21.5 Note: Separation Distance between via holes on board represents approx. 5.4 Degrees phase shift @ 2GHz for equivalent distance on microstrip. Board material is GETEK,e=4.1 SGA-7489 2 GHz Tuned Application Ckt. Summary Data Table Parameter Typical 25oC 1700 MHz Gain Noise Figure Output IP3 Output P1dB Input Return Loss Reverse Isolation 18.6 3.1 36.1 20.8 10.0 23.8 1900 MHz Gain Noise Figure Output IP3 Output P1dB Input Return Loss Reverse Isolation 18.3 3.3 36.0 20.4 11.2 23.0 2100 MHz Gain Noise Figure Output IP3 Output P1dB Input Return Loss Reverse Isolation 18.2 3.7 34.5 19.9 16.3 22.1 726 Palomar Ave., Sunnyvale, CA 94085 Unit dB dB dBm dBm dB dB Test Condition (ID = 130 mA, unless otherwise noted) ZS = 50 Ohms Tone spacing = 1 MHz, Pout per tone = 0 dBm dB dB dBm dBm dB dB ZS = 50 Ohms Tone spacing = 1 MHz, Pout per tone = 0 dBm dB dB dBm dBm dB dB ZS = 50 Ohms Tone spacing = 1 MHz, Pout per tone = 0 dBm Phone: (800) SMI-MMIC 5 http://www.stanfordmicro.com EDS-101801 Rev A 5 Page

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