NJG1544HC3
2x2 Antenna SWITCH GaAs MMIC
GENERAL DESCRIPTION
NJG1544HC3 is a 2x2 antenna switch IC designed for the
IEEE 802.11b or 802.11g (2.4GHz band) wireless LAN
application.
This device includes logic decoder function, and can be
operated by 2 bits signal to control Tx/Rx and ANT1/ANT2
switching.
This switch features high isolation and low loss.
The ultra small & ultra thin USB10-C3 package is adopted.
FEATURES
Single low voltage control
Low insertion loss
High isolation
Handling power (TX port)
Low current consumption
Ultra small & ultra thin package
PIN CONFIGURATION
USB10-C3 Type
(TOP VIEW)
5
6
D
E
C
O
D
E
R
PACKAGE OUTLINE
NJG1544HC3
+2.5~+5.5V
0.35dB typ. @TX-ANT2,f=2.5GHz, P
IN
=20dBm
0.50dB typ. @RX-ANT1,RX-ANT2,f=2.5GHz, P
IN
=10dBm
23dB
typ. @f=2.5GHz, P
IN
=20dBm
28dBm max. @f=2.5GHz, V
DD
=2.7V
120uA typ. @f=2.5GHz
USB10-C3 (Package size: 1.5x2.0x0.75mm)
4
7
3
8
2
9
10
1
1
2
3
4
5
6
7
8
9
10
ANT1
CTL1
CTL2
ANT2
GND
TX
GND
VDD
RX
GND
TRUTH TABLE
"H"=VCTL(H) "L"=VCTL(L)
"X"="H" or "L" (Don't care)
PASS
RX-ANT2
RX-ANT1
TX-ANT2
CONTROL SIGNAL
CTL1
CTL2
L
L
L
H
H
X
-1-
NJRC [ NEW JAPAN RADIO ]
