NJG1528KC1
- 1 -
DPDT SWITCH GaAs MMIC
n
GENERAL DESCRIPTION
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PACKAGE OUTLINE
NJG1528KC1 is a GaAs high power DPDT switch
MMIC for antenna switch of tri- and dual-mode cellular
phone application such as CDMA, AMPS and PCS.
This switch features low loss, high isolation at high
power.
The ultra small & ultra thin FLP10 package is applied.
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FEATURES
l
Low voltage operation
2.5V min.
l
Pin at 0.2dB compression point
36dBm typ. @f=1.9GHz, V
CTL
=2.8V
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Low insertion loss
0.60dB typ. @f=0.9GHz, P
IN
=31dBm, V
CTL
=2.8V
0.70dB typ. @f=1.9GHz, P
IN
=25dBm, V
CTL
=2.8V
l
High isolation
26.5dB typ. @f=0.9GHz, P
IN
=31dBm, V
CTL
=2.8V
20dB typ. @f=1.9GHz, P
IN
=25dBm,V
CTL
=2.8V
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Low control current
10uA typ. @f=0.9GHz, P
IN
=31dBm, V
CTL
=2.8V
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Ultra small & ultra thin package
FLP10-C1 (Package size: 3.0x2.8x0.75mm)
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PIN CONFIGURATION
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TRUTH TABLE
NOTE: Please note that any information on this catalog is subject to change.
NJG1528KC1
KC1Type
(Top View)
Pin connection
1. P1
2. VCTL1
3. GND
4. VCTL2
5. P2
6. P3
7. GND
8. GND
9. GND
10. P4
Orientation Mark
1
2
3
4
5
6
7
8
9
10
ON Pass VCTL1
VCTL2
P1-P2
L
H
P3-P4
L
H
P1-P4
H
L
P2-P3
H
L
Revised Feb./16/2001 Ver.2
NJG1528KC1
- 2 -
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ABSOLUTE MAXIMUM RATINGS
(T
a
=+25C, Z
s
=Z
l
=50
)
PARAMETER
SYMBOL
CONDITIONS
RATINGS
UNITS
RF Input Power
P
IN
V
CTL(L)
=0V, V
CTL(H)
=3V
37.5
dBm
Operating Voltage
V
CTL
V
CTL(H)
-V
CTL(L)
12
V
Power Dissipation
P
D
550
mW
Operating Temp.
T
opr
-40~+85
C
Storage Tempe.
T
stg
-55~+125
C
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ELECTRICAL CHARACTERISTICS
(General conditions: T
a
=+25C, Z
s
=Z
l
=50
, V
CTL (L)
=0V, V
CTL (H)
=2.8V)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Control Voltage (Low)
V
CTL (L)
f=0.01~2.5GHz
-0.2
0
0.2
V
Control Voltage (High)
V
CTL (H)
f=0.01~2.5GHz
2.5
2.8
6.5
V
Control Current
I
CTL
f=0.9GHz, P
IN
=31dBm
-
10
20
uA
Insertion loss 1
LOSS1 f=0.9GHz, P
IN
=31dBm
-
0.60
0.70
dB
Insertion loss 2
LOSS2 f=1.9GHz, P
IN
=25dBm
-
0.70
0.85
dB
Isolation 1
ISL1
f=0.9GHz, P
IN
=31dBm
24.5
26.5
-
dB
Isolation 2
ISL2
f=0.9GHz, P
IN
=31dBm
22
24
-
dB
Isolation 3
ISL3
f=1.9GHz, P
IN
=25dBm
18
20
-
dB
Isolation 4
ISL4
f=1.9GHz, P
IN
=25dBm
17
18
-
dB
Pin at 0.2dB
Compression point
P
-0.2dB
f=1.9GHz
34
36
-
dBm
2nd Harmonics 1
2fo(1)
f=0.9GHz, P
IN
=25dBm
-
-
-70
dBc
2nd Harmonics 2
2fo(2)
f=1.9GHz, P
IN
=25dBm
-
-
-65
dBc
3rd Harmonics 1
3fo(1)
f=0.9GHz, P
IN
=25dBm
-
-
-65
dBc
3rd Harmonics 2
3fo(2)
f=1.9GHz, P
IN
=25dBm
-
-
-65
dBc
Input 3
rd order
intercept Point 1
IIP3(1)
f=900+901MHz,
Pin=25dBm *1
-
60
-
dBm
Input 3
rd order
intercept Point 2
IIP3(2)
f=1900+1901MHz,
Pin=25dBm *1
-
60
-
dBm
VSWR
VSWR
i
on-state ports, f=1.9GHz
-
1.1
1.3
Switching time
T
SW
f=0.1~2.5GHz
-
100
-
ns
*1: The input IP3 is defined as following equation.
IIP3=(3 x Pout - IM3) / 2 + LOSS
NJG1528KC1
- 3 -
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TERMINAL INFORMATION
No.
SYMBOL
EXPLANATION
1
P1
RF port. This port is connected with P2 port by controlling
2pin-V
CTL(H)
(+2.5~+6.5V) and 4pin-V
CTL(L)
(-0.2~+0.2V).
This port is connected with P4 port by controlling 2pin-V
CTL(L)
(-0.2~+0.2V) and 4pin-V
CTL(H)
(+2.5~+6.5V).
A DC cut capacitor 56pF is reguired at this terminal to block DC
voltage of inner circuit.
2
VCTL1
Control port1. Please connect bypass capacitor (10pF) between this
terminal and GND close to this IC.
3
GND
Ground terminal. Please connect this terminal with ground plane as
close as possible for excellent RF performance.
4
VCTL2
Control port2. Please connect bypass capacitor (10pF) between this
terminal and GND close to this IC.
5
P2
RF port. This port is connected with P1 port by controlling
2pin-V
CTL(L)
(-0.2~+0.2V) and 4pin-V
CTL(H)
(+2.5~+6.5V).
This port is connected with P3 port by controlling 2pin-V
CTL(H)
(+2.5~+6.5V) and 4pin-V
CTL(L)
(-0.2~+0.2V).
A DC cut capacitor 56pF is reguired at this terminal to block DC
voltage of inner circuit.
6
P3
RF port. This port is connected with P2 port by controlling
2pin-V
CTL(H)
(+2.5~+6.5V) and 4pin-V
CTL(L)
(-0.2~+0.2V).
This port is connected with P4 port by controlling 2pin-V
CTL(L)
(-0.2~+0.2V) and 4pin-V
CTL(H)
(+2.5~+6.5V).
A DC cut capacitor 56pF is reguired at this terminal to block DC
voltage of inner circuit.
7
GND
Ground terminal. Please connect this terminal with ground plane as
close as possible for excellent RF performance.
8
GND
Ground terminal. Please connect this terminal with ground plane as
close as possible for excellent RF performance.
9
GND
Ground terminal. Please connect this terminal with ground plane as
close as possible for excellent RF performance.
10
P4
RF port. This port is connected with P1 port by controlling
2pin-V
CTL(H)
(+2.5~+6.5V) and 4pin-V
CTL(L)
(-0.2~+0.2V).
This port is connected with P3 port by controlling 2pin-V
CTL(L)
(-0.2~+0.2V) and 4pin-V
CTL(H)
(+2.5~+6.5V).
A DC cut capacitor 56pF is reguired at this terminal to block DC
voltage of inner circuit.
NJG1528KC1
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ELECTRICAL CHARACTERISTICS
(with application circuit, losses of PCB, connector and DC blocking capacitor are excluded)
-2.0
-1.5
-1.0
-0.5
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P1-P2 Insertion Loss vs.Frequency
Insertion Loss (dB)
Frequency (GHz)
(VCTL1=0V, VCTL2=2.8V, Pin=-10dBm)
-2.0
-1.5
-1.0
-0.5
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P3-P4 Insertion Loss vs.Frequency
Insertion Loss (dB)
Frequency (GHz)
(VCTL1=0V, VCTL2=2.8V, Pin=-10dBm)
1.0
1.2
1.4
1.6
1.8
2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P1-P2(on) VSWR vs. Frequency
VSWR
Frequency (GHz)
(VCTL1=0V,VCTL2=2.8V,P1 port)
-45
-40
-35
-30
-25
-20
-15
-10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P1-P2 Isolation vs.Frequency
Isolation (dB)
Frequency (GHz)
(VCTL1=2.8V, VCTL2=0V, Pin=-10dBm)
-45
-40
-35
-30
-25
-20
-15
-10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P1-P4 Isolation vs.Frequency
Isolation (dB)
Frequency (GHz)
(VCTL1=0V, VCTL2=2.8V, Pin=-10dBm)
-45
-40
-35
-30
-25
-20
-15
-10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
P1-P3 Isolation vs.Frequency
Isolation (dB)
Frequency (GHz)
(VCTL1=0V, VCTL2=2.8V, Pin=-10dBm)
NJG1528KC1
- 5 -
n
ELECTRICAL CHARACTERISTICS
(with application circuit, losses of PCB, connector and DC blocking capacitor are excluded)
0
10
20
30
40
50
60
70
80
90
20
22
24
26
28
30
32
34
36
38
Output Power, Control Current vs.Input Power
VCTL=2.3V
VCTL=2.5V
VCTL=2.8V
20
22
24
26
28
30
32
34
36
38
Output Power (dBm)
Control Current (uA)
Input Power (dBm)
(P1-P2 ON, f=1.9GHz)
0
10
20
30
40
50
60
70
80
90
20
22
24
26
28
30
32
34
36
38
VCTL=2.8V
VCTL=3V
VCTL=3.5V
VCTL=4.5V
VCTL=6.5V
20
22
24
26
28
30
32
34
36
38
Output Power (dBm)
Control Current (uA)
Input Power (dBm)
(P1-P2 ON, f=1.9GHz)
Output Power, Control Current vs.Input Power
0
10
20
30
40
50
60
70
80
90
20
22
24
26
28
30
32
34
36
38
Output Power, Control Current vs.Input Power
VCTL=2.3V
VCTL=2.5V
VCTL=2.8V
20
22
24
26
28
30
32
34
36
38
Output Power (dBm)
Control Current (uA)
Input Power (dBm)
(P1-P2 ON, f=900MHz)
20
22
24
26
28
30
32
34
36
38
VCTL=2.8V
VCTL=3V
VCTL=3.5V
VCTL=4.5V
VCTL=6.5V
20
22
24
26
28
30
32
34
36
38
0
10
20
30
40
50
60
70
80
90
Output Power (dBm)
Control Current (uA)
Input Power (dBm)
(P1-P2 ON, f=900MHz)
Output Power, Control Current vs.Input Power
-2.0
-1.5
-1.0
-0.5
VCTL=2.8V
VCTL=3V
VCTL=3.5V
VCTL=4.5V
VCTL=6.5V
20
22
24
26
28
30
32
34
36
38
Insertion Loss (dB)
Input Power (dBm)
(P1-P2 ON, f=900MHz)
Insertion Loss vs.Input Power
-2.0
-1.5
-1.0
-0.5
VCTL=2.3V
VCTL=2.5V
VCTL=2.8V
20
22
24
26
28
30
32
34
36
38
Insertion Loss (dB)
Input Power (dBm)
(P1-P2 ON, f=900MHz)
Insertion Loss vs.Input Power
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