Application Note NJG1151MD7 Satellite Broadcasting Application 1. Summary The characterisitics of Sastellite Broadcasting (1000MHz～2150MHz) have evaluated as follows. The evaluation circuit structure and measured data are reviewed. 2.1 Measurement data of assembled evaluation board DC Characteristics o Condition : VDD=5.0V, Ta=+25 C Parameter Symbol Supply Voltage VDD Operating Current IDD Condition RF OFF Mesurement data Units 5.0 V 124.1 mA -1- NJG1151MD7 2.2-1 Measurement data of assembled evaluation board <50ohm> RF Characteristics1 (Active mode) Condition : VDD=5.0V, fRF=1000~2150MHz, Ta=+25oC, Zs=Zl=50ohm, with application circuit Parameter Small Signal Gain 1 Noise Figure 1 Symbol Gain1 NF1 Input Power 1dB Compression 1 P-1dB(IN)1 Input 3rd Order Intercept Point 1 IIP3_1 2nd order intermodulation distortion 1 IM2_1 3rd order intermodulation distortion 1 IM3_1 Reverse Isolation 1 Output to Output Isolation 1 ISL1 OISL1 Condition Mesurement data Units Exclude PCB, connector losses *1*2 2.2 ~ 3.7 dB Exclude PCB, connector losses *3 3.4 ~ 4.2 dB +7.5 ~ +10.4 dBm +14.0 ~ +21.9 dBm 44.1 ~ 54.8 dB 60.5 ~ 68.2 dB RF OUT1 - RF IN RF OUT2 - RF IN 22.0 ~ 36.8 dB RF OUT1 - RF OUT2 14.6 ~ 27.0 dB 6.4 ~ 10.9 dB 11.4 ~ 29.4 dB f1=fRF, f2=fRF+100kHz, Pin=-14dBm f1=40/200/494/40/1150MHz, f2=960/800/506/1040/2150MHz, fmeas=1000MHz, Pin1=Pin2=-8dBm f1=40/920/1080/2150MHz, f2=520/960/1040/1575MHz, fmeas=1000MHz, Pin1=Pin2=-8dBm RF IN port Return Loss 1 RLi1 RF IN port RF OUT port Return Loss 1 RLo1 RF OUT1, RF OUT2 port *1 Input and output PCB, connector losses(RFIN-RFOUT1): 0.156dB(1000MHz), 0.238dB(1600MHz), 0.307dB(2150MHz) *2 Input and output PCB, connector losses(RFIN-RFOUT2): 0.150dB(1000MHz), 0.228dB(1600MHz), 0.294dB(2150MHz) *3 Input PCB, connector losses: 0.064dB(1000MHz), 0.095dB(1600MHz), 0.122dB(2150MHz) 2.2-2 Measurement data of assembled evaluation board <50ohm> RF Characteristics3 (Active mode) Condition : VDD=5.0V, fRF=1000~2150MHz, Ta=+25oC, Zs=Zl=75ohm, with application circuit Parameter Small Signal Gain(75ohm) 3 Reverse Isolation 3 Output to Output Isolation 3 Symbol Gain3 ISL3 OISL3 Condition Mesurement data Units 1.9 ~ 4.1 dB RF OUT1 - RF IN RF OUT2 - RF IN 22.1 ~ 36.8 dB RF OUT1 - RF OUT2 14.9 ~ 27.5 dB Exclude PCB, connector losses *1*2 RF IN port Return Loss (75ohm) 3 RLi3 RF IN port 6.5 ~ 11.7 dB RF OUT port Return Loss (75ohm) 3 RLo3 RF OUT1, RF OUT2 port 9.6 ~ 13.1 dB *1 Input and output PCB, connector losses(RFIN-RFOUT1) *2 Input and output PCB, connector losses(RFIN-RFOUT2) -2- NJG1151MD7 2.3-1 Measurement data of assembled evaluation board <75ohm> RF Characteristics3 (Active mode) Condition : VDD=5.0V, fRF=1000~2150MHz, Ta=+25oC, Zs=Zl=75ohm, with application circuit Parameter Small Signal Gain(75ohm) 3 Reverse Isolation 3 Output to Output Isolation 3 Symbol Gain3 ISL3 OISL3 Condition Mesurement data Units 1.9 ~ 4.1 dB RF OUT1 - RF IN RF OUT2 - RF IN 22.1 ~ 36.8 dB RF OUT1 - RF OUT2 14.9 ~ 27.5 dB Exclude PCB, connector losses *1*2 RF IN port Return Loss (75ohm) 3 RLi3 RF IN port 6.5 ~ 11.7 dB RF OUT port Return Loss (75ohm) 3 RLo3 RF OUT1, RF OUT2 port 9.6 ~ 13.1 dB Mesurement data Units *1 Input and output PCB, connector losses(RFIN-RFOUT1) *2 Input and output PCB, connector losses(RFIN-RFOUT2) 2-3-2 Measurement data of assembled evaluation board <75ohm> RF Characteristics4 (Through mode) Condition : VDD=0V, fRF=1000~2150MHz, Ta=+25oC, Zs=Zl=75ohm, with application circuit Parameter Insertion Loss (75ohm) 4 Symbol Loss4 Condition Exclude PCB, connector losses *2 1.8 ~ 2.4 dB RF IN port Return Loss (75ohm) 4 RLi4 RF IN port 5.1 ~ 8.1 dB RF OUT port Return Loss (75ohm) 4 RLo4 RF OUT1, RF OUT2 port 5.3 ~ 9.3 dB *2 Input and output PCB, connector losses(RFIN-RFOUT2) -3- NJG1151MD7 3. Pin configuration EQFN14-D7 (Top View) 14 1 LNAIN 13 12 GND LNAOUT GND 11 GND 10 2 SW OUT1 SPLIN 1Pin INDEX 3 9 splitter SPLOUT1 SW IN1 4 GND 8 5 SW OUT2 6 7 SW IN2 SPLOUT2 GND Pin connection 1. GND 2. SWOUT1 3. SWIN1 4. GND 5. SWOUT2 6. SWIN2 7. SPLOUT2 8. GND 9. SPLOUT1 10.SPLIN1 11.GND 12.LNAOUT 13.GND 14.LNAIN 4. Function state table VDD LNA Loop through SW 0V OFF ON 5.0V ON OFF -4- RF IN to RF OUT1 RF IN to RF OUT2 Isolate mode (-22dB) Active mode (3dB) Through mode (-2dB) Active mode (3dB) NJG1151MD7 5.1-1 Typical characteristics (Active Mode) <50ohm> Condition : VDD=5.0V, Ta=+25oC, Zs=Zl=50ohm NF, Gain vs. frequency NF, Gain vs. frequency (freq=50~3000MHz, RF IN to RF OUT1) (freq=50~3000MHz, RF IN to RF OUT2) 8 6 8 8 7 6 8 7 2 5 0 4 -2 NF -4 Gain (dB) 6 NF (dB) Gain (dB) 4 4 6 2 5 0 4 3 -2 2 -4 2 (Exclude PCB, Connector Losses) (Exclude PCB, Connector Losses) -6 0 1000 3 NF 2000 1 3000 -6 0 frequency (MHz) 1000 2000 1 3000 frequency (MHz) RF IN Return Loss vs. frequency (freq=50~3000MHz) 0 5 RLi (dB) 10 15 20 25 30 35 40 0 1000 2000 3000 frequency (MHz) RF OUT1 Return Loss vs. frequency RF OUT2 Return Loss vs. frequency (freq=50~3000MHz) 0 0 5 5 10 10 15 15 RLo (dB) RLo (dB) (freq=50~3000MHz) 20 25 20 25 30 30 35 35 40 40 0 1000 2000 frequency (MHz) 3000 0 1000 2000 3000 frequency (MHz) -5- NF (dB) Gain Gain NJG1151MD7 5.1-1 Typical characteristics (Active Mode) <50ohm> Condition : VDD=5.0V, Ta=+25oC, Zs=Zl=50ohm Reverse Isolation vs. frequency Reverse Isolation vs. frequency (freq=50~3000MHz, RF OUT2 to RF IN) 0 0 5 5 10 10 15 15 ISL (dB) ISL (dB) (freq=50~3000MHz, RF OUT1 to RF IN) 20 25 20 25 30 30 35 35 40 40 0 1000 2000 3000 0 1000 frequency (MHz) 2000 3000 frequency (MHz) Output to Output Isolation vs. frequency (freq=50~3000MHz) 0 5 OISL (dB) 10 15 RF OUT1 to RF OUT2 20 25 30 RF OUT2 to RF OUT1 35 40 0 1000 2000 3000 frequency (MHz) 20 K factor vs. frequency K factor vs. frequency (freq=50MHz~20GHz, RF IN to RF OUT1) (freq=50MHz~20GHz, RF IN to RF OUT2) 20 15 K factor K factor 15 10 5 0 0.0 5 5.0 10 frequency (GHz) -6- 10 15 20 0 0.0 5.0 10 frequency (GHz) 15 20 NJG1151MD7 5.1-1 Typical characteristics (Active Mode) <50ohm> Condition : VDD=5.0V, Ta=+25oC, Zs=Zl=50ohm Zin, Zout ( RF IN to RF OUT1) Zin, Zout( RF IN to RF OUT2) S11, S22 f=50MHz~20GHz ( RF IN to RF OUT1) S11, S22 f=50MHz~20GHz ( RF IN to RF OUT2) S21, S12 f=50MHz~20GHz ( RF IN to RF OUT1) S21, S12 f=50MHz~20GHz ( RF IN to RF OUT2) -7- NJG1151MD7 5.1-2 Typical characteristics (Through Mode) <50ohm> Condition : VDD=0V, Ta=+25oC, Zs=Zl=50ohm Insertion Loss vs. frequency (freq=50~3000MHz,RF IN to RF OUT2) 0 Loss (dB) 1 2 3 4 5 0 1000 2000 3000 frequency (MHz) RF IN Return Loss vs. frequency RF OUT2 Return Loss vs. frequency 0 0 5 5 10 10 15 15 RLo (dB) RLi (dB) (freq=50~3000MHz) 20 25 20 25 30 30 35 35 40 (freq=50~3000MHz) 40 0 1000 2000 frequency (MHz) -8- 3000 0 1000 2000 frequency (MHz) 3000 NJG1151MD7 5.1-2 Typical characteristics (Through Mode) <50ohm> Condition : VDD=0V, Ta=+25oC, Zs=Zl=50ohm Zin, Zout( RF IN to RF OUT2) S11, S22 f=50MHz~20GHz ( RF IN to RF OUT2) S21, S12 f=50MHz~20GHz ( RF IN to RF OUT2) -9- NJG1151MD7 5.2-1 Typical characteristics (Active Mode) <75ohm> Gain vs. frequency Gain vs. frequency (freq=50~3000MHz, RF IN to RF OUT1, Zs=Zl=75ohm) (freq=50~3000MHz, RF IN to RF OUT2, Zs=Zl=75ohm) 8 8 6 6 4 4 Gain (dB) Gain (dB) Condition : VDD=5.0V, Ta=+25oC, Zs=Zl=75ohm 2 0 2 0 -2 -2 -4 -4 -6 -6 0 1000 2000 3000 0 frequency (MHz) 1000 2000 3000 frequency (MHz) RF IN Return Loss vs. frequency (freq=50~3000MHz, Zs=Zl=75ohm) 0 5 RLi (dB) 10 15 20 25 30 35 40 0 1000 2000 3000 frequency (MHz) RF OUT1 Return Loss vs. frequency 0 (freq=50~3000MHz, Zs=Zl=75ohm) 0 5 5 10 10 15 15 RLo (dB) RLo (dB) RF OUT2 Return Loss vs. frequency (freq=50~3000MHz, Zs=Zl=75ohm) 20 25 20 25 30 30 35 35 40 40 0 1000 2000 frequency (MHz) - 10 - 3000 0 1000 2000 frequency (MHz) 3000 NJG1151MD7 5.2-2 Typical characteristics (Through Mode) <75ohm> Condition : VDD=0V, Ta=+25oC, Zs=Zl=75ohm Insertion Loss vs. frequency (freq=50~3000MHz, RF IN to RF OUT2, Zs=Zl=75ohm) 0 Loss (dB) 1 2 3 4 5 0 1000 2000 3000 frequency (MHz) RF IN Return Loss vs. frequency RF OUT2 Return Loss vs. frequency (freq=50~3000MHz, Zs=Zl=75ohm) 0 0 5 5 10 10 15 15 RLo (dB) RLi (dB) (freq=50~3000MHz, Zs=Zl=75ohm) 20 25 20 25 30 30 35 35 40 40 0 1000 2000 frequency (MHz) 3000 0 1000 2000 3000 frequency (MHz) - 11 - NJG1151MD7 6. Noise figure measurements Measuring instruments NF Analyzer : Agilent 8973A Noise Source : Agilent 346A Setting the NF analyzer Measurement mode form Device under test : Amplifier System downconverter : off Mode setup form Sideband : LSB Averages :4 Average mode : Point Bandwidth : 4MHz Loss comp : off Tcold : setting the temperature of noise source (303K) NF Analyzer (Agilent 8973A) * Preamplifier is to improve NF Preamplifier NJG1145UA2 Gain 15dB NF 1.5dB Noise Source (Agilent 346A) measurement accuracy. * Noise source and NF analyzer Input (50Ω) Noise Source Drive Output are connected directly. Calibration setup NF Analyzer (Agilent 8973A) Preamplifier NJG1145UA2 Gain 15dB NF 1.5dB Noise Source (Agilent 346A) IN DUT OUT Measurement Setup - 12 - * Noise source and DUT, Input (50Ω) Noise Source Drive Output DUT and NF analyzer are connected directly. NJG1151MD7 7. Block diagram, Application circuit V DD C5 0.01u (Top View) L2 1.0n C2 0.01u L1 470n C3 0.01u C4 0.01u 0ohm (jumper) R1 270 R4 56k L3 3.3n 14 1 LNAIN 13 12 GND LNAOUT GND 10 2 1Pin INDEX SPLIN SW OUT1 RF IN 3 C1 0.01u RF OUT1 9 splitter SPLOUT1 SW IN1 4 GND 11 GND 8 5 SW OUT2 C7 0.01u 6 7 SW IN2 SPLOUT2 GND C6 0.01u RF OUT2 8. Evaluation board (Top View) RF OUT1 Parts List Parts ID VDD C5 R4 L1 0ohm L2 TAIYO-YUDEN HK1608 Series L2~L3 TAIYO-YUDEN HK1005 Series C3 R1 L1 Manufacture L3 C1~C7 MURATA GRM15 Series R1~R4 KOA RK73 Series C4 C2 RF IN C1 C7 C6 1Pin INDEX PCB (FR-4):t=0.2mm MICROSTRIP LINE WIDTH=0.4mm (Z0=50Ω) PCB SIZE=16.7mm x 19.1mm RF OUT2 CAUTION In order not to couple with terminal LNAIN and LNAOUT, please layout ground pattern under the IC. - 13 - NJG1151MD7 9. Package outline (EQFN14-D7) - 14 -