NJG1159PHH APPLICATION NOTE FOR LTE BAND-13 2fo IMPROVEMENT This application note shows an example in order to improve LTE band-13 2fo harmonics. The example of electrical characteristics are shown as follows: I Electrical characteristics DC Characteristics General condition : Ta=+25oC, Zs=Zl=50Ω, with application circuit Measurement data Units VDD 2.8 V Control Voltage (High) VCTL(H) 1.8 V Control Voltage (Low) VCTL(L) 0 V Parameter Supply Voltage Operating Current (Active mode) Operating Current (Standby mode) Control Current Symbol Condition IDD1 RF OFF, VDD=2.8V, VCTL=1.8V 3.57 mA IDD2 RF OFF, VDD=2.8V, VCTL=0V 0.1 µA ICTL RF OFF, VCTL=1.8V 6.3 µA 1/4 NJG1159PHH I Electrical characteristics RF Characteristics 1 (VDD=2.8V) General condition : VDD=2.8V, VCTL=1.8V, fRF=1575, 1597 to 1606, 1559 to 1591MHz, Ta=+25oC, Zs=Zl=50Ω, with application circuit Parameter Small Signal Gain (GPS)1 Small Signal Gain (GLONASS)1 Small Signal Gain (BeiDou, Galileo)1 Noise Figure (GPS)1 Noise Figure (GLONASS)1 Noise Figure (BeiDou, Galileo)1 Input Power at 1dB Gain Compression Point 1 Input 3rd Order Intercept Point 1 Out-of-Band Input Power 1dB Compression 1 Out-of-Band Input 2nd Order Intercept Point 1 Out-of-Band Input 3rd Order Intercept Point 1 700MHz Harmonic 1 Symbol GainGPS1 GainGLN1 GainBG1 NFGPS1 NFGLN1 NFBG1 Condition f=1575MHz (GPS), Exclude PCB, Connector Losses (0.17dB) f=1597 to 1606MHz (GLONASS), Exclude PCB, Connector Losses (0.17dB) f=1559 to 1591MHz (Beidou, Galileo), Exclude PCB, Connector Losses (0.17dB) f=1575MHz (GPS), Exclude PCB, Connector Losses (0.09dB) f=1597 to 1606MHz (GLONASS), Exclude PCB, Connector Losses (0.09dB) f=1559 to 1591MHz (Beidou, Galileo), Exclude PCB, Connector Losses (0.09dB) P-1dB(IN)1 f=1575, 1597 to 1606, 1559 to 1591MHz f1=1575, 1597 to 1606, 1559 to 1591MHz, f2=f1+/- 1MHz, Pin=-30dBm P-1dB(IN)_ fjam=900MHz, OB1-1 fmeas=1575MHz at Pin=-40dBm P-1dB(IN)_ fjam=1710MHz, OB2-1 fmeas=1575MHz at Pin=-40dBm f1=824.6MHz at +15dBm, IIP2_OB1 f2=2400MHz at +15dBm, fmeas=1575.4MHz f1=1712.7MHz at +15dBm, IIP3_OB1 f2=1850MHz at +15dBm, fmeas=1575.4MHz fin=787.76MHz, Pin=+15dBm, 2fo1 fmeas=1575.52MHz IIP3_1 Measurement data Units 16.3 dB 15.4 - 16.5 dB 15.7 - 16.8 dB 1.77 dB 1.52 - 1.88 dB 1.55 - 1.91 dB -10.9 - -9.9 dBm -2.4 - -1.1 dBm >+26.0 dBm +24.4 dBm +98.7 dBm +53.4 dBm -94.4 dBm Low Band Rejection 1 BR_L1 f=704 to 915MHz, relative to 1575MHz 58.1 - 85.8 dBc High Band Rejection 1 BR_H1 f=1710 to 1980MHz, relative to 1575MHz 31.9 - 44.1 dBc WLAN Band Rejection 1 BR_W1 f=2400 to 2500MHz, relative to 1575MHz 48.5 - 51.2 dBc 9.7 dB RF IN Return Loss (GPS)1 RF IN Return Loss (GLONASS)1 RF IN Return Loss (BeiDou, Galileo)1 RF OUT Return Loss (GPS)1 RF OUT Return Loss (GLONASS)1 RF OUT Return Loss (BeiDou, Galileo)1 Group Delay Time Deviation (GLONASS) 1 Group Delay Time Deviation (BeiDou)1 Group Delay Time Deviation (Galileo)1 RLiGPS1 f=1575MHz (GPS) RLiGLN1 f=1597 to 1606MHz (GLONASS) 6.1 - 10.3 dB f=1559 to 1591MHz (Beidou, Galileo) 7.6 - 17.9 dB RLiBG1 15.6 dB f=1597 to 1606MHz (GLONASS) 18.1 - 18.3 dB f=1559 to 1591MHz (Beidou, Galileo) 13.6 - 17.9 dB f=1597 to 1606MHz (GLONASS) 2.2 ns GDTB1 f=1559 to 1563.2MHz (Beidou) 4.5 ns GDTG1 f=1559 to 1591MHz (Galileo) 7.5 ns RLoGPS1 f=1575MHz (GPS) RLoGLN1 RLoBG1 GDTGLN1 2/4 NJG1159PHH VDD=2.8V I Electrical characteristics o Condition: VDD=2.8V, VCTL=1.8V, Ta=+25 C, Zs=Zl=50Ω S21, S12 (f=1450 to 1700MHz) S11, S22 (f=1450 to 1700MHz) VSWR (f=1450 to 1700MHz) Zin, Zout (f=1450 to 1700MHz) Group Delay vs. frequency (VDD=2.8V, VCTL=1.8V) 30 Group Delay (ns) 25 20 15 10 5 0 1.55 Out-of-band attenuation (f=50M to 6GHz) 1.56 1.57 1.58 1.59 1.60 1.61 1.62 frequency (GHz) 3/4 NJG1159PHH I LTE band-13 2fo improvement circuit (Top View) Index mark GND VDD VDD RF OUT 9 1 LNAOUT 8 C1 1000pF LNAIN VCTL 2 7 LNA VCTL GND Pre-Filter 3 PreOUT 6 L1 PreIN GND 4 5 10 L2 13nH GND 12nH C2 3.3pF I Evaluation board (Top View) Parts list VCTL Parts ID VDD C1 C2 L2 RF IN Manufacture L1,L2 LQW15AN_00 Series (MURATA) C1,C2 GRM03 Series (MURATA) RF OUT L1 PCB Substrate: FR-4 Thickness: 0.2mm Microstrip line width: 0.4mm (Z0=50Ω) Size: 14.0mm x 14.0mm 4/4