Satellite Broadcasting Application

Transcription

1 Application Note NJG111MD7 Satellite Broadcasting Application 1. Summary The characterisitics of Sastellite Broadcasting (1MHz~1MHz) have evaluated as follows. The evaluation circuit structure and measured data are reviewed..1 Measurement data of assembled evaluation board DC Characteristics Condition : V DD =.V, T a =+ o C Parameter Symbol Condition Mesurement data Units Supply Voltage V DD. V Operating Current I DD RF OFF 1.1 ma - 1 -

2 NJG111MD7.-1 Measurement data of assembled evaluation board <ohm> RF Characteristics1 (Active mode) Condition : V DD =.V, f RF =1~1MHz, T a =+ o C, Z s =Z l =ohm, with application circuit Parameter Symbol Condition Mesurement data Units Small Signal Gain 1 Gain1 Exclude PCB, connector losses *1*. ~ 3.7 db Noise Figure 1 NF1 Exclude PCB, connector losses *3 3. ~. db Input Power 1dB Compression 1 P-1dB(IN)1 +7. ~ +1. dbm Input 3rd Order Intercept Point 1 nd order intermodulation distortion 1 3rd order intermodulation distortion 1 Reverse Isolation 1 Output to Output Isolation 1 IIP3_1 IM_1 IM3_1 ISL1 f1=frf, f=frf+1khz, Pin=-1dBm f1=//9//11mhz, f=96/8/6/1/1mhz, fmeas=1mhz, Pin1=Pin=-8dBm f1=/9/18/1mhz, f=/96/1/17mhz, fmeas=1mhz, Pin1=Pin=-8dBm RF OUT1 - RF IN RF OUT - RF IN +1. ~ +1.9 dbm.1 ~.8 db 6. ~ 68. db. ~ 36.8 db OISL1 RF OUT1 - RF OUT 1.6 ~ 7. db RF IN port Return Loss 1 RLi1 RF IN port 6. ~ 1.9 db RF OUT port Return Loss 1 RLo1 RF OUT1, RF OUT port 11. ~ 9. db *1 Input and output PCB, connector losses(rfin-rfout1):.16db(1mhz),.38db(16mhz),.37db(1mhz) * Input and output PCB, connector losses(rfin-rfout):.1db(1mhz),.8db(16mhz),.9db(1mhz) *3 Input PCB, connector losses:.6db(1mhz),.9db(16mhz),.1db(1mhz).- Measurement data of assembled evaluation board <ohm> RF Characteristics3 (Active mode) Condition : V DD =.V, f RF =1~1MHz, T a =+ o C, Z s =Z l =7ohm, with application circuit Parameter Symbol Condition Mesurement data Units Small Signal Gain(7ohm) 3 Gain3 Exclude PCB, connector losses *1* 1.9 ~.1 db Reverse Isolation 3 ISL3 RF OUT1 - RF IN RF OUT - RF IN.1 ~ 36.8 db Output to Output Isolation 3 OISL3 RF OUT1 - RF OUT 1.9 ~ 7. db RF IN port Return Loss (7ohm) 3 RLi3 RF IN port 6. ~ 11.7 db RF OUT port Return Loss (7ohm) 3 RLo3 RF OUT1, RF OUT port 9.6 ~ 13.1 db *1 Input and output PCB, connector losses(rfin-rfout1) * Input and output PCB, connector losses(rfin-rfout) - -

3 NJG111MD7.3-1 Measurement data of assembled evaluation board <7ohm> RF Characteristics3 (Active mode) Condition : V DD =.V, f RF =1~1MHz, T a =+ o C, Z s =Z l =7ohm, with application circuit Parameter Symbol Condition Mesurement data Units Small Signal Gain(7ohm) 3 Gain3 Exclude PCB, connector losses *1* 1.9 ~.1 db Reverse Isolation 3 ISL3 RF OUT1 - RF IN RF OUT - RF IN.1 ~ 36.8 db Output to Output Isolation 3 OISL3 RF OUT1 - RF OUT 1.9 ~ 7. db RF IN port Return Loss (7ohm) 3 RLi3 RF IN port 6. ~ 11.7 db RF OUT port Return Loss (7ohm) 3 RLo3 RF OUT1, RF OUT port 9.6 ~ 13.1 db *1 Input and output PCB, connector losses(rfin-rfout1) * Input and output PCB, connector losses(rfin-rfout) -3- Measurement data of assembled evaluation board <7ohm> RF Characteristics (Through mode) Condition : V DD =V, f RF =1~1MHz, T a =+ o C, Z s =Z l =7ohm, with application circuit Parameter Symbol Condition Mesurement data Units Insertion Loss (7ohm) Loss Exclude PCB, connector losses * 1.8 ~. db RF IN port Return Loss (7ohm) RLi RF IN port.1 ~ 8.1 db RF OUT port Return Loss (7ohm) RLo RF OUT1, RF OUT port.3 ~ 9.3 db * Input and output PCB, connector losses(rfin-rfout) - 3 -

4 NJG111MD7 3. Pin configuration 1Pin INDEX 1 SW OUT1 3 SW IN1 EQFN1-D7 (Top View) LNAIN SW OUT 13 SW IN splitter 1 LNAOUT SPLOUT 11 1 SPLIN 9 SPLOUT1 Pin connection 1.. SWOUT1 3. SWIN1.. SWOUT 6. SWIN 7. SPLOUT SPLOUT1 1.SPLIN LNAOUT LNAIN. Function state table V DD LNA Loop through SW RF IN to RF OUT1 RF IN to RF OUT V OFF ON.V ON OFF Isolate mode (-db) Active mode (3dB) Through mode (-db) Active mode (3dB) - -

5 NJG111MD7.1-1 Typical characteristics (Active Mode) <ohm> Condition : V DD =.V, Ta=+ o C, Z s =Z l =ohm 8 NF, Gain vs. frequency (freq=~3mhz, RF IN to RF OUT1) 8 8 NF, Gain vs. frequency (freq=~3mhz, RF IN to RF OUT) 8 6 Gain Gain 7 6 Gain (db) NF (db) Gain (db) NF (db) - NF 3 - NF 3 - (Exclude PCB, Connector Losses) (Exclude PCB, Connector Losses) RF IN Return Loss vs. frequency (freq=~3mhz) RLi (db) RF OUT1 Return Loss vs. frequency (freq=~3mhz) RF OUT Return Loss vs. frequency (freq=~3mhz) 1 1 RLo (db) 1 RLo (db)

6 NJG111MD7.1-1 Typical characteristics (Active Mode) <ohm> Condition : V DD =.V, Ta=+ o C, Z s =Z l =ohm Reverse Isolation vs. frequency (freq=~3mhz, RF OUT1 to RF IN) Reverse Isolation vs. frequency (freq=~3mhz, RF OUT to RF IN) 1 1 ISL (db) 1 ISL (db) Output to Output Isolation vs. frequency (freq=~3mhz) 1 OISL (db) RF OUT1 to RF OUT RF OUT to RF OUT1 1 3 K factor vs. frequency (freq=mhz~ghz, RF IN to RF OUT1) K factor vs. frequency (freq=mhz~ghz, RF IN to RF OUT) 1 1 K factor 1 K factor frequency (GHz) frequency (GHz) - 6 -

7 NJG111MD7.1-1 Typical characteristics (Active Mode) <ohm> Condition : V DD =.V, Ta=+ o C, Z s =Z l =ohm Zin, Zout ( RF IN to RF OUT1) Zin, Zout( RF IN to RF OUT) S11, S f=mhz~ghz ( RF IN to RF OUT1) S11, S f=mhz~ghz ( RF IN to RF OUT) S1, S1 f=mhz~ghz ( RF IN to RF OUT1) S1, S1 f=mhz~ghz ( RF IN to RF OUT) - 7 -

8 NJG111MD7.1- Typical characteristics (Through Mode) <ohm> Condition : V DD =V, Ta=+ o C, Z s =Z l =ohm Insertion Loss vs. frequency (freq=~3mhz,rf IN to RF OUT) 1 Loss (db) RF IN Return Loss vs. frequency (freq=~3mhz) RF OUT Return Loss vs. frequency (freq=~3mhz) 1 1 RLi (db) RLo (db)

9 NJG111MD7.1- Typical characteristics (Through Mode) <ohm> Condition : V DD =V, Ta=+ o C, Z s =Z l =ohm Zin, Zout( RF IN to RF OUT) S11, S f=mhz~ghz ( RF IN to RF OUT) S1, S1 f=mhz~ghz ( RF IN to RF OUT) - 9 -

10 NJG111MD7.-1 Typical characteristics (Active Mode) <7ohm> Condition : V DD =.V, Ta=+ o C, Z s =Z l =7ohm 8 Gain vs. frequency (freq=~3mhz, RF IN to RF OUT1, Zs=Zl=7ohm) 8 Gain vs. frequency (freq=~3mhz, RF IN to RF OUT, Zs=Zl=7ohm) 6 6 Gain (db) Gain (db) RF IN Return Loss vs. frequency (freq=~3mhz, Zs=Zl=7ohm) 1 RLi (db) RF OUT1 Return Loss vs. frequency (freq=~3mhz, Zs=Zl=7ohm) RF OUT Return Loss vs. frequency (freq=~3mhz, Zs=Zl=7ohm) 1 1 RLo (db) 1 RLo (db)

11 NJG111MD7.- Typical characteristics (Through Mode) <7ohm> Condition : V DD =V, Ta=+ o C, Z s =Z l =7ohm Insertion Loss vs. frequency (freq=~3mhz, RF IN to RF OUT, Zs=Zl=7ohm) 1 Loss (db) RF IN Return Loss vs. frequency (freq=~3mhz, Zs=Zl=7ohm) RF OUT Return Loss vs. frequency (freq=~3mhz, Zs=Zl=7ohm) 1 1 RLi (db) RLo (db)

12 NJG111MD7 6. Noise figure measurements Measuring instruments NF Analyzer : Agilent 8973A Noise Source : Agilent 36A Setting the NF analyzer Measurement mode form Device under test : Amplifier System downconverter : off Mode setup form Sideband : LSB Averages : Average mode : Point Bandwidth : MHz Loss comp : off Tcold : setting the temperature of noise source (33K) NF Analyzer (Agilent 8973A) Noise Source (Agilent 36A) Preamplifier NJG11UA Gain 1dB NF 1.dB * Preamplifier is to improve NF measurement accuracy. * Noise source and NF analyzer Input (Ω) Noise Source Drive Output are connected directly. Calibration setup NF Analyzer (Agilent 8973A) Noise Source (Agilent 36A) Preamplifier NJG11UA Gain 1dB NF 1.dB * Noise source and DUT, IN DUT OUT Input (Ω) Noise Source Drive Output DUT and NF analyzer are connected directly. Measurement Setup - 1 -

13 NJG111MD7 7. Block diagram, Application circuit V DD (Top View) L 1.n C3.1u C.1u L1 7n C.1u R 6k R1 7 ohm (jumper) C.1u L3 3.3n 1 1 LNAIN 13 1 LNAOUT 11 1Pin INDEX SW OUT1 1 SPLIN RF IN C1.1u 3 SW IN1 splitter 9 SPLOUT1 RF OUT SW OUT SW IN SPLOUT C7.1u C6.1u RF OUT 8. Evaluation board (Top View) RF OUT1 V DD C C3 R1 L1 ohm R L L3 C C RF IN C1 Parts List Parts ID Manufacture L1 TAIYO-YUDEN HK168 Series L~L3 TAIYO-YUDEN HK1 Series C1~C7 MURATA GRM1 Series R1~R KOA RK73 Series C7 C6 1Pin INDEX PCB (FR-):t=.mm MICROSTRIP LINE WIDTH=.mm (Z =Ω) PCB SIZE=16.7mm x 19.1mm RF OUT CAUTION In order not to couple with terminal LNAIN and LNAOUT, please layout ground pattern under the IC

14 NJG111MD7 9. Package outline (EQFN1-D7) - 1 -