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Preliminary Information Product Description
Sirenza Microdevices' SGC-2486Z is a high performance SiGe HBT MMIC amplifier utilizing a Darlington configuration with a patented active bias network. The active bias network provides stable current over temperature and process Beta variations. Designed to run directly from a 3V supply, the SGC-2486Z does not require a dropping resistor as compared to typical Darlington amplifiers. The SGC-2486Z is designed for high linearity 3V gain block applications that require small size and minimal external components. It is internally matched to 50 ohms. The matte tin finish on Sirenza's lead-free "Z" package is applied using a post annealing process to mitigate tin whisker formation and is RoHS compliant per EU Directive 2002/95. The package body is manufactured with green molding compounds that contain no antimony trioxide or halogenated fire retardants.
Gain & Return Loss
25 S21 20 15 -5 -10 -15 S11 5 Bias Tee Data, ZS = ZL = 50 Ohms, TL = 25C 0 0 1 2 3 4 -25 -20
SGC-2486Z
Pb
RoHS Compliant & Green Package
50-4000 MHz Silicon Germanium Cascadable Gain Block
VD = 3V, ID = 25mA (Typ.)
0
Gain (dB)
S22
Return Loss (dB)
Product Features * Single Fixed 3V Supply * Supply Dropping Resistor not required * Patented Self-Bias Circuitry * P1dB = 10.4 dBm at 1950 MHz * IP3 = 24.5 dBm at 1950 MHz * Robust 1000V ESD, Class 1C HBM Applications * PA Driver Amplifier * Cellular, PCS, GSM, UMTS * IF Amplifier * Wireless Data, Satellite
Frequency 850 MHz 1950 MHz 2400 MHz 850 MHz 1950 MHz 2400 MHz 850 MHz 1950 MHz 2400 MHz 1950 MHz 1950 MHz 1930 MHz Min. Typ. 19.4 13.9 12.3 10.5 10.4 10.1 22.9 24.5 24.9 17.9 15.3 3.4 3 21
OIP3 Tone Spacing = 1MHz Pout per tone = -5 dBm
10
Frequency (GHz)
Symbol G
Parameters Small Signal Gain
Units dB
Max.
P1dB
Output Power at 1dB Compression
dBm
OIP3 IRL ORL NF VD ID Rth, j-l
Output Third Order Intercept Point Input Return Loss Output Return Loss Noise Figure Device Operating Voltage Device Operating Current Thermal Resistance (junction to lead)
VD = 3.0V Bias Tee Data ID = 25mA Typ. TL = 25C
dBm dB dB dB V mA C/W
ZS = ZL = 50 Ohms
25 205
29
Test Conditions:
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user's 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. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2005 Sirenza Microdevices, Inc.. All worldwide rights reserved.
Test Conditions: 303 S. Technology Ct. Broomfield, CO 80021
Phone: (800) SMI-MMIC 1
http://www.sirenza.com
EDS-104974 Rev A
Preliminary Information SGC-2486Z 0.05-4.0 GHz Cascadeable MMIC Amplifier
Typical RF Performance at Key Operating Frequencies (Bias Tee)
Symbol G OIP3 P1dB IRL ORL S12 NF Parameter Small Signal Gain Output Third Order Intercept Point Output Power at 1dB Compression Input Return Loss Output Return Loss Reverse Isolation Noise Figure
VD = 3V TL = 25C ID = 25mA Typ. ZS = ZL = 50 Ohms
Unit dB dBm dBm dB dB dB dB 14.4 14.6 23.6 2.8 100 21.5 500 21.0 22.7 10.7 11.7 11.8 25.0 2.8
Frequency (MHz) 850 19.4 22.9 10.5 12.6 12.6 24.7 3.1 1950 13.9 24.5 10.4 17.9 15.3 20.2 3.4 2400 12.3 24.9 10.1 16.4 14.1 19.2 3.6 3500 9.6 23.2 8.8 15.0 14.0 17.7 4.4
Test Conditions:
OIP3 Tone Spacing = 1MHz, Pout per tone = -5 dBm
Typical Performance with Bias Tee, VD = 3V, ID = 25mA (Typ.)
OIP3 vs. Frequency (25C)
28
15
P1dB vs. Frequency (25C)
26
13
OIP3 (dBm)
P1dB (dBm)
24
11
22
9
20
7
18 500
1000
1500
2000
2500
3000
3500
5 500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
Absolute Maximum Ratings
Parameter Max Device Current (ICE) Max Device Voltage (VCE) Max. RF Input Power* (See Note) Max. Junction Temp. (TJ) Operating Temp. Range (TL) Max. Storage Temp. *Note: Load condition, ZL = 50 Ohms Absolute Limit 55 mA 4.5 V +18 dBm +150C -40C to +85C +150C
Reliability & Qualification Information Parameter ESD Rating - Human Body Model (HBM) Moisture Sensitivity Level www.sirenza.com Rating Class 1C MSL 1
This product qualification report can be downloaded at
Caution: ESD sensitive
Appropriate precautions in handling, packaging and testing devices must be observed.
Operation of this device beyond any one of these limits may cause permanent damage. For reliable continuous operation, the device voltage and current must not exceed the maximum operating values specified in the table on page one. Bias Conditions should also satisfy the following expression: TL=TLEAD IDVD < (TJ - TL) / RTH, j-l
303 S. Technology Ct. Broomfield, CO 80021 Phone: (800) SMI-MMIC 2 http://www.sirenza.com
EDS-104974 Rev A
Preliminary Information SGC-2486Z 0.05-4.0 GHz Cascadeable MMIC Amplifier
Typical Performance with Bias Tee, VD = 3V, ID = 25mA (Typ.)
Noise Figure vs. Frequency (25C)
5
35 40
DCIV vs. Temperature
+25C -40C
4
30 25
+85C
Id (mA)
0 500 1000 1500 2000 2500 3000 3500
3
NF (dB)
20 15 10
2
1
5
0
0 0 0.5 1 1.5 2 2.5 3 3.5 4
Frequency (GHz)
Vd (V)
|S11| vs. Frequency
0 -5 -10
|S21| vs. Frequency
25 20 15
S11 (dB)
-15 -20 -25 -30 0 1 2 3 4
S11_25C
Gain (dB)
10
S21_25C
5 0 0 1 2 3 4
Frequency (GHz)
Frequency (GHz)
|S22| vs. Frequency
|S12| vs. Frqeuency
0 -10
0 -5 -10
S12 (dB)
S22 (dB)
S12_25C
-20 -30 -40 -50 0 1 2 3 4
-15 -20
S22_25C
-25 -30 0 1 2 3 4
Frequency (GHz)
Frequency (GHz)
303 S. Technology Ct. Broomfield, CO 80021
Phone: (800) SMI-MMIC 3
http://www.sirenza.com
EDS-104974 Rev A
Preliminary Information SGC-2486Z 0.05-4.0 GHz Cascadeable MMIC Amplifier Basic Application Circuit
Vs
Application Circuit Schematic
Application Circuit Element Values
Reference Designator 100-2000MHz 2000-4000MHz
1uF
1000pF
C3 L1
C1 C2 C3 L1
1000pF 100pF 100pF 150nH
2.7pF 6.8pF 6.8pF 39nH
4 RF IN C1 1
SGC-2486Z
3 C2
RF OUT
Mounting Instructions
1. Use a large ground pad area under device pins 2 and 4 with many plated through-holes as shown. 2. We recommend 1 or 2 ounce copper. Measurements for this data sheet were made on a 31 mil thick FR-4 board with 1 ounce copper on both sides.
2
1uF 1000pF C3 L1 C1 C2
Part Identification Marking & Pinout 3
4
2
1
Pin #
Function
Description
1
RF IN
RF input pin. This pin requires the use of an external DC blocking capacitor chosen for the frequency of operation Connection to ground. Use via holes as close to the device ground leads as possible to reduce ground inductance and achieve optimum RF performance
2,4
GND
Part Number SGC-2486Z
Package / Lead Composition Lead Free, RoHs Compliant
Reel Size 13"
Devices / Reel 3000
3
RF output and bias pin. This pin requires the use of an RF OUT / external DC blocking capacitor chosen for the frequency of DC BIAS operation.
303 S. Technology Ct. Broomfield, CO 80021
Phone: (800) SMI-MMIC 4
http://www.sirenza.com
EDS-104974 Rev A
Preliminary Information SGC-2486Z 0.05-4.0 GHz Cascadeable MMIC Amplifier
86 PCB Pad Layout
Dimensions in inches [millimeters] Dimensions given for 50 Ohm RF I/O lines are for 31 mil thick Getek. Scale accordingly for different board thicknesses and dielectric contants.
RF IN
RF OUT
86 Nominal Package Dimensions
Dimensions in inches [millimeters] A link to the 86 package outline drawing with full dimensions and tolerances may be found on the product web page at www.sirenza.com.
303 S. Technology Ct. Broomfield, CO 80021
Phone: (800) SMI-MMIC 5
http://www.sirenza.com
EDS-104974 Rev A

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