njg1119pb4 New Japan Radio Co.,Ltd, njg1119pb4 Datasheet - Page 22

• Manufacturer Part Number: njg1119pb4
• Description: Njg1119pb4 W-cdma Dual Lna Gaas Mmic
• Manufacturer: New Japan Radio Co.,Ltd

NJG1119PB4
TEST CIRCUIT
TRUTH TABLE
- 22 -
1 Pin INDEX
*: Please use an appropriate inductor for L2, L6, L8 to improve Noise Figure.
PARTS LIST
Band select
RF IN2
(2.1GHz)
RF IN1
(800MHz)
L1, L3~L5, L7
L2, L6, L8
V
Parts ID
C1~C4
CTL
L5
2.7nH
H
H
L
L
Control voltage
L1
10nH
1
L6
4.3nH
L2
18nH
RX ATT
TAIYO-YUDEN (HK1005)
MURATA (LQW15A)
MURATA (GRP15)
V
“H”=V
CTL
H
H
L
L
RFIN2
10
11
RFIN1
12
GND
2
Comment
V
CTL
INV
(H), “L”=V
=2.7V
V
(RX ATT)
CTL
GND
VINV
LNA I
2=0V or 2.7V
OFF
OFF
OFF
ON
9
1
CTL
800MHz band
DD
(L)
VCTL2
VCTL1
(Top View)
Bypass circuit
OFF
OFF
8
2
ON
ON
V
(Band Select)
CTL
EXTCAP
1=0V or 2.7V
GND
800MHz Band
2.1GHz Band
7
3
LNA I
C2
1000pF
OFF
OFF
OFF
ON
2.1GHz band
DD
RFOUT1
RFOUT2
GND
Bypass circuit
6
5
4
L3
18nH
L8
6.2nH
OFF
OFF
L4
33nH
ON
ON
C3
20pF
L7
1.8nH
C1
6pF
C4
1000pF
RF OUT2
(2.1GHz)
V
RF OUT1
(800MHz)
DD
=2.7V