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