Technical Report, 2009-Mar-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) Technical Report <TR127> Device: BGB707L7ESD Application: 50Ω-Matched LNA for FM Application (80-110MHz) Revision: Rev. 1.0 Date: 2009-Mar-31 RF and Protection Devices Measurement Report 1/9 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) Published by Infineon Technologies AG 81726 München, Germany © Infineon Technologies AG 12/18/09. All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics (“Beschaffenheitsgarantie”). With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings D t t h i l Measurement Report i t t t i d 2/9 b t F 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) 1. Overview Infineon Device: BGB707L7ESD Application: 50 ohms matched LNA for FM 80-110MHz Applications PCB Marking: BGB7-Family TSLP-7-1 V1.0 2. Summary of Measurement Results Table 2-1: Summary of Measurement Results Parameter Symbol Value Unit Note/Test Condition Frequency Range Freq 80-110 MHz DC Voltage Vcc 3.0 V DC Current Icc 6 mA Gain G 16.5 dB Power @ port1= -30 dBm Noise Figure NF 1.5 dB Including SMA connectors and PCB losses of 0.1dB Input Return Loss RLin 10.1 dB Output Return Loss RLout 15.8 dB Reverse Isolation |IRev| 26.4 dB Input P1dB IP1dB -12.2 dBm Output P1dB OP1dB 3.3 dBm Input IP3 IIP3 0.7 dBm Output IP3 OIP3 17.2 dBm Stability k >1.2 -- Measurement Report 3/9 Power @ port2 = -10 dBm Power @ Input = -30 dBm Measured @ f1=100MHz ∆f =1 MHz Stability measured up to 10GHz 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) 3. Description: This report presents the measurement results of the Low Noise Amplifier using the SiGe:C LNA BGB707L7ESD from Infineon Technologies for the 80-110MHz FM application with an input matched to 50 ohms. The LNA brings a gain of 16.5dB on the frequency of 80-110MHz with a noise figure of 1.5 dB (including the SMA connector and PCB losses of 0.1dB). Furthermore, this device provides an unconditionally stability up to 10GHz. With a current of 6mA, this circuit achieves an output P1dB of +3.3dBm and IP3 of +17.2 dBm(in-band). Measurement Report 4/9 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) 4. Schematics: Figure 4-1: Schematic of the BGB707L7ESD for the FM 80-110MHz Applications. Table 4-1: Bill of Materials Symbol Value Unit Size Manufacturer Comment C1 47 pF 0402 various Input Matching/DC Block C2 10 nF 0402 various RF Bypass C3 39 pF 0402 various Negative Feedback C4 10 nF 0402 various RF Bypass C5 330 pF 0402 various Output Matching/DC Block L1 150 nH 0402 R1 1.0 kΩ 0402 various Negative Feedback R2 3.9 kΩ 0402 various DC current Regulation R3 8.2 Ω 0402 various Stabilisation/Output Matching R4 110 Ω 0402 various Collector current Regulation TSLP Infineon 7-1 SiGe MMIC LNA BGB707L7 with integrated ESD protection Q1 Measurement Report Murata LQG15A 5/9 Input Matching/Biasing 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) 5. Measured Graphs Transducer Power Gain 20 15 80 MHz 16.51 dB 10 100 MHz 16.59 dB 110 MHz 16.58 dB 5 0 10 30 50 70 90 110 130 Frequency (MHz) 150 170 190 210 190 210 Figure 5-1: Transducer Power Gain of the BGB707L7ESD. Input Matching 0 -5 -10 110 MHz -10.14 dB -15 80 MHz -13.45 dB 100 MHz -11.2 dB -20 10 30 50 70 90 110 130 Frequency (MHz) 150 170 Figure 5-2: Input Matching of the BGB707L7ESD. Measurement Report 6/9 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) Output Matching 0 -5 80 MHz -15.82 dB -10 100 MHz -16.81 dB 110 MHz -16.86 dB -15 -20 10 30 50 70 90 110 130 Frequency (MHz) 150 170 190 210 170 190 210 Figure 5-3: Output Matching of the BGB707L7ESD. Reverse Isolation 60 55 50 80 MHz 26.51 45 100 MHz 26.43 40 110 MHz 26.41 35 30 25 20 10 30 50 70 90 110 130 Frequency (MHz) 150 Figure 5-4: Reverse Isolation of the BGB707L7ESD. Measurement Report 7/9 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) Stability 5 4 1939.3 MHz 1.292 3 2 1 0 10 1010 2010 3010 4010 5010 6010 Frequency (MHz) 7010 8010 9010 10000 Figure 5-5: Stability of the BGB707L7ESD. Figure 5-6: OIP3 of the BGB707L7ESD. Measurement Report 8/9 2009-03-31 Technical Report ___________________________________________________________ 50Ω-Matched LNA using BGB707L7ESD for FM Application (80-110MHz) 6. Evaluation Board and Layout Information Figure 6-1: PCB Picture of the BGB707L7ESD Figure 6-2: Layout Information www.Infineon.com Published by Infineon Technologies AG Measurement Report 9/9 2009-03-31