NJG1138HA8 700MHz Band Application(英語)

Application Note
NJG1138HA8
700MHz Band Application
1 SUMMARY
The characteristics of 700MHz band have evaluated as follows. The evaluation circuit structure and
measured data are reviewed.
2
MEASURED DATA
DC Characteristics
General Condition: VDD=2.5 or 2.8V, Ta=+25oC
Parameter
Symbol
Measurement Data
Condition
VDD=2.5V
VDD=2.8V
Unit
VDD
2.5
2.8
V
Control Voltage (High)
VCTL1(H)
1.8
1.8
V
Control Voltage (Low)
VCTL1(L)
0.0
0.0
V
Supply Voltage
LNA Operating Current1
(High Gain Mode)
IDD1
VCTL=1.8V
2.03
2.33
mA
LNA Operating Current2
(Low Gain Mode)
IDD2
VCTL=0V
9.0
10.4
uA
Control Current
ICTL
VCTL=1.8V
6.2
6.2
uA
RF Characteristics1(High Gain Mode)
General Condition: : VDD=2.5 or 2.8V, VCTL=1.8V, fRF=750MHz, Zs=Zl=50ohm, Ta=+25oC
With Application Circuit
Parameter
Symbol
Measurement Data
Condition
Unit
VDD=2.5V
VDD=2.8V
Small Signal Gain1
Gain1
Exclude Input & Output PCB, Connector
Losses (0.11dB)
16.9
17.5
Isolation1
ISO1
Exclude Input & Output PCB, Connector
Losses (0.11dB)
-29.0
-29.3
dB
Noise Figure1
NF1
Exclude PCB, Connector Losses (0.06dB)
1.29
1.25
dB
-9.4
-9.6
dBm
-2.7
-2.8
dBm
Input Power 1dB
Compression1
P-1dB(IN)_1
Input 3rd Order
Intercept Point1
IIP3H1_1
f1=fRF, f2=fRF+100kHz,
Pin=-30dBm
dB
RF IN VSWR1
VSWRi_1
2.16
2.05
-
RF OUT VSWR1
VSWRo_1
1.91
1.93
-
RF Characteristics2 (Low Gain Mode)
General Condition: VDD=2.5 or 2.8V, VCTL=0V, fRF=750MHz, Zs=Zl=50ohm, Ta=+25oC
With Application Circuit
Parameter
Symbol
Small Signal Gain2
Gain2
Noise Figure2
Input Power 1dB
Compression2
NF2
Condition
IIP3_2
Unit
VDD=2.5V
VDD=2.8V
Exclude Input & Output PCB, Connector
Losses (0.11dB)
-3.3
-3.3
dB
Exclude PCB, Connector Losses (0.06dB)
2.1
2.1
dB
16.0
16.3
dBm
16.8
16.7
dBm
P-1dB(IN)_2
Input 3rd Order
Intercept Point2
Measurement Data
f1=fRF, f2=fRF+100kHz,
Pin=-20dBm
RF IN VSWR2
VSWRi_2
1.90
1.89
-
RF OUT VSWR2
VSWRo_2
2.33
2.29
-
RF Characteristics3
General Condition: VDD=2.5 or 2.8V, fRF=750MHz, Zs=Zl=50ohm, Ta=+25oC
With Application Circuit
Parameter
Gain Dynamic Range
Symbol
GDR
Condition
(Gain at High Gain Mode)-(Gain at Low
Gain Mode)
Measurement Data
VDD=2.5V
VDD=2.8V
20.2
20.8
Unit
dB
1
Application Note
3
NJG1138HA8
APPLICATION CIRCUIT
(Top View)
3
RFIN
(700MHz)
L2
12nH
GND
RF OUT
(700MHz)
RFOUT
RFIN
13
4
2
L1
15nH
L3
15nH
Bias
Circuit
C2
0.01uF
Logic
Circuit
GND
C1
2pF
VDD
VCTL
5
1
VCTL
(RX ATT)
NC(GND)
1Pin Index
6
Parts List
Parts ID
L1, L2
L3
C1, C2
4
Comments
MURATA
LQP03T Series
TDK
MLK0603 Series
MURATA
GRM03 Series
Truth table
Control Voltage
VCTL
L
H
State
LNA IDD
OFF
ON
Bypass
ON
OFF
“L”=0~0.3V、“H”=1.36~1.9V
2
Application Note
5
NJG1138HA8
PCB DESIGN
VDD
C2
RF IN
L3
L2
L1
RF OUT
C1
VCTL
PCB (FR-4):
t=0.2mm
MICROSTRIP LINE WIDTH=0.4mm (Z0=50ohm)
PCB SIZE=17.0mm x 17.0mm
CAUTION
In order not to couple with terminal RFIN and RFOUT, please layout ground
pattern under the IC.
3
Application Note
NJG1138HA8
6 Characteristics
I Typical characteristics (High Gain Mode, VDD=2.5V)
Condition: Ta=+25oC, VDD=2.5V, VCTL=1.8V
High Gain
Pout vs. Pin
High Gain
Gain, IDD vs. Pin
(f=750MHz)
10
(f=750MHz)
20
10
Gain
5
15
8
Gain (dB)
Pout (dBm)
0
Pout
-5
-10
10
6
5
4
0
2
IDD (mA)
IDD
-15
-20
P-1dB(IN)=-9.4dBm
P-1dB(IN)=-9.4dBm
-25
-40
-30
-20
-10
0
-5
-40
10
0
-30
-20
Pin (dBm)
-10
0
10
Pin (dBm)
High Gain
OIP3,IIP3 vs. frequency
High Gain
Pout, IM3 vs. Pin
(f1=700~800MHz, f2=f1+100kHz, Pin=-30dBm)
(f1=750MHz, f2=f1+100kHz, Pin=-30dBm)
20
16
4
15
3
0
-40
-60
1
12
0
11
-1
IIP3
-20
-10
0
8
700
10
720
740
Pin (dBm)
760
780
-4
800
frequency (MHz)
High Gain
k factor vs. frequency
High Gain
NF, Gain vs. frequency
(f=600~900MHz)
4
-2
-3
9
IIP3=-2.7dBm
-30
13
10
IM3
-100
-40
2
IIP3 (dBm)
-20
-80
OIP3
14
OIP3 (dBm)
Pout, IM3 (dBm)
Pout
(f=50MHz~20GHz)
20
20
18
3.5
16
2.5
14
2
12
1.5
10
15
k factor
3
Gain(dB)
NF (dB)
Gain
10
5
1
8
NF
6
0.5
0
0
600
650
700
750
800
850
4
900
0
5
10
15
20
frequency(GHz)
frequency (MHz)
4
Application Note
NJG1138HA8
I Typical characteristics (High Gain Mode, VDD=2.5V)
Condition: Ta=+25oC, VDD=2.5V, VCTL=1.8V
S11, S22
S21, S12
VSWR
Zin, Zout
S11, S22
(f=50MHz~20GHz)
S21, S12
(f=50MHz~20GHz)
5
Application Note
NJG1138HA8
I Typical characteristics (Low Gain Mode, VDD=2.5V)
Condition: Ta=+25oC, VDD=2.5V, VCTL=0V
Low Gain
Pout vs. Pin
Low Gain
Gain, IDD vs. Pin
(f=750MHz)
(f=750MHz)
20
-2
240
Gain
10
-4
200
-6
160
-8
120
-20
-10
-30
80
P-1dB(IN)=+16.0dBm
-40
IDD (uA)
Pout
-10
Gain (dB)
Pout (dBm)
0
IDD
-12
40
P-1dB(IN)=+16.0dBm
-50
-40
-30
-20
-10
0
10
-14
20
0
-40
Pin (dBm)
-30
-10
0
10
20
RF Power (dBm)
Low Gain
Pout, IM3 vs. Pin
Low Gain
OIP3,IIP3 vs. frequency
(f1=750MHz, f2=f1+100kHz, Pin=-20dBm)
(f1=700~800MHz, f2=f1+100kHz, Pin=-20dBm)
20
24
16
0
22
14
-20
Pout
-40
-60
IM3
12
20
10
18
8
16
IIP3
-80
6
IIP3=+16.8dBm
-100
-40
-30
-20
-10
0
10
4
700
20
Pin (dBm)
720
740
760
780
IIP3 (dBm)
OIP3
OIP3 (dBm)
Pout, IM3 (dBm)
-20
14
12
800
frequency (MHz)
Low Gain
k factor vs. frequency
Low Gain
NF, Gain vs. frequency
(f=50MHz~20GHz)
(f=600~800MHz)
8
-4
6
-6
NF
4
-8
2
-10
15
k factor
Gain
20
-2
Gain(dB)
NF (dB)
10
10
5
0
0
600
650
700
750
800
850
-12
900
0
5
10
15
20
frequency(GHz)
frequency (MHz)
6
Application Note
NJG1138HA8
I Typical characteristics (Low Gain Mode, VDD=2.5V)
Condition: Ta=+25oC, VDD=2.5V, VCTL=0V
S11, S22
VSWR
S11, S22
(f=50MHz~20GHz)
S21, S12
Zin, Zout
S21, S12
(f=50MHz~20GHz)
7
Application Note
NJG1138HA8
I Typical characteristics (High Gain Mode, VDD=2.8V)
Condition: Ta=+25oC, VDD=2.8V, VCTL=1.8V
High Gain
Pout vs. Pin
High Gain
Gain, IDD vs. Pin
(f=750MHz)
10
(f=750MHz)
20
10
Gain
5
15
8
Gain (dB)
Pout (dBm)
0
Pout
-5
-10
10
6
5
4
0
2
IDD (mA)
IDD
-15
-20
P-1dB(IN)=-9.6dBm
P-1dB(IN)=-9.6dBm
-30
-20
-10
0
-5
-40
10
0
-30
-20
Pin (dBm)
(f1=750MHz, f2=f1+100kHz, Pin=-30dBm)
(f1=700~800MHz, f2=f1+100kHz, Pin=-30dBm)
0
OIP3 (dBm)
Pout, IM3 (dBm)
Pout
-20
-40
-60
18
4
17
3
16
2
1
15
OIP3
14
-1
13
IIP3
-20
-10
0
10
700
10
Pin (dBm)
(f=600~900MHz)
780
-4
800
18
2.5
14
2
12
1.5
10
8
NF
15
k factor
Gain
20
Gain(dB)
NF (dB)
760
(f=50MHz~20GHz)
20
16
10
5
6
0.5
0
600
740
High Gain
k factor vs. frequency
3
1
720
frequency (MHz)
High Gain
NF, Gain vs. frequency
3.5
-2
-3
11
IIP3=-2.8dBm
4
0
12
IM3
-30
10
High Gain
OIP3,IIP3 vs. frequency
20
-100
-40
0
Pin (dBm)
High Gain
Pout, IM3 vs. Pin
-80
-10
IIP3 (dBm)
-25
-40
650
700
750
800
frequency (MHz)
850
4
900
0
0
5
10
15
20
frequency(GHz)
8
Application Note
NJG1138HA8
I Typical characteristics (High Gain Mode, VDD=2.8V)
Condition: Ta=+25oC, VDD=2.8V, VCTL=1.8V
S11, S22
S21, S12
VSWR
Zin, Zout
S11, S22
(f=50MHz~20GHz)
S21, S12
(f=50MHz~20GHz)
9
Application Note
NJG1138HA8
I Typical characteristics (Low Gain Mode, VDD=2.8V)
Condition: Ta=+25oC, VDD=2.8V, VCTL=0V
Low Gain
Pout vs. Pin
Low Gain
Gain, IDD vs. Pin
(f=750MHz)
(f=750MHz)
20
-2
240
Gain
10
-4
200
-6
160
-8
120
-20
-10
-30
80
P-1dB(IN)=+16.3dBm
-40
IDD (uA)
Pout
-10
Gain (dB)
Pout (dBm)
0
IDD
-12
40
P-1dB(IN)=+16.3dBm
-50
-40
-30
-20
-10
0
10
-14
20
0
-40
Pin (dBm)
-30
-10
0
10
20
RF Power (dBm)
Low Gain
Pout, IM3 vs. Pin
Low Gain
OIP3,IIP3 vs. frequency
(f1=750MHz, f2=f1+100kHz, Pin=-20dBm)
(f1=700~800MHz, f2=f1+100kHz, Pin=-20dBm)
20
16
0
14
24
22
-20
Pout
-40
-60
12
20
10
18
8
16
IM3
-80
IIP3
6
IIP3 (dBm)
OIP3
OIP3 (dBm)
Pout, IM3 (dBm)
-20
14
IIP3=+16.7dBm
-100
-40
-30
-20
-10
0
10
4
700
20
Pin (dBm)
740
760
780
12
800
frequency (MHz)
Low Gain
NF, Gain vs. frequency
Low Gain
k factor vs. frequency
(f=600~800MHz)
10
720
Gain
8
(f=50MHz~20GHz)
-2
20
-4
-6
NF
4
-8
2
-10
k factor
6
Gain(dB)
NF (dB)
15
10
5
0
600
650
700
750
800
frequency (MHz)
850
-12
900
0
0
5
10
15
20
frequency(GHz)
10
Application Note
NJG1138HA8
I Typical characteristics (Low Gain Mode, VDD=2.8V)
Condition: Ta=+25oC, VDD=2.8V, VCTL=0V
S11, S22
VSWR
S11, S22
(f=50MHz~20GHz)
S21, S12
Zin, Zout
S21, S12
(f=50MHz~20GHz)
11