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PDF NJG1518KB2 Data sheet ( Hoja de datos )
| Número de pieza | NJG1518KB2 | |
| Descripción | SPDT SWITCH GaAs MMIC | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJG1518KB2
SPDT SWITCH GaAs MMIC
nGENERAL DESCRIPTION
NJG1518KB2 is a SPDT switch IC featured low insertion
loss, medium handling power and high isolation. This device
is suitable for switching of Tx/Rx signals at sub-microwave
applications.
This switch exhibits wide frequency range from 50MHz to
3.0GHz at low operating voltage of 2.5V, and is operated up
to 25dBm at 3.0V operating voltage.
The ultra small & ultra thin FLP6 package is applied.
nPACKAGE OUTLINE
NJG1518KB2
n FEATURES
lSingle low voltage control
lLow insertion loss
lHandling power
lHigh isolation
lLow current consumption
lUltra small & ultra thin package
+2.5~6.5V
0.4dB typ. @f=1GHz, Pin=22dBm
0.5dB typ. @f=2GHz, Pin=22dBm
23dBm max. @f=2GHz, VCTL=2.7V
34.5dBm max. @f=2GHz, VCTL=6.5V
28dB typ. @f=1GHz, Pin=22dBm
6uA typ. @f=2GHz, Pin=22dBm, R1=560kΩ
FLP6-B2 (Mount Size: 2.1x2.0x0.75mm)
nPIN CONFIGURATION
1
2
3
KB2 Type
(Top View)
Orientation Mark
PIN Connection
6 1. P1
2. EXTCAP
5 3. P2
4. VCTL2
5. PC
4 6. VCTL1
nTRUTH TABLE
“H”=VCTL (H), “L”=VCTL (L)
VCTL1 H L
L
H
VCTL2
P1 - PC
P2 - PC
L
ON
OFF
H
OFF
ON
L
Insertion Loss=14dB
P1 return Loss=-3dB
Insertion Loss=14dB
P2 return Loss=-3dB
H
Insertion Loss=14dB
P1 return Loss=-2dB
Insertion Loss=14dB
P2 return Loss=-2dB
Note: The values of insertion losses and return losses are typical values at 2.0GHz.
-1-
1 page  
NJG1518KB2
nELECTRICAL CHARACTERISTICS
(with application circuit, without DC Blocking Capacitor, Losses of external circuit are excluded)
P2-PC VSWR vs. Frequency
(V =0V,V =2.7V,P2 port)
3
CTL1
CTL2
2.6
2.2
1.8
1.4
1
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
Switching Speed
C4, C5=10pF, VCTL (H)=2.7V, VCTL (L)=0V, Pi n=0dBm
625mV
VCTL
36.2ns
RF
100mV
/div
Trig’d
-375mV
-13.8nF
10ns/div
86.2nF
Isolation vs. Ambient Temperature
(PC-P1 port,fin=1GHz,V =0V)
CTL(L)
35
30
25
20
-50
V =2.5V
CTL(H)
V =2.7V
CTL(H)
V =3.0V
CTL(H)
V =3.5V
CTL(H)
V =5.0V
CTL(H)
V =6.5V
CTL(H)
0 50
Ambient Temperature (oC)
100
35
30
25
20
15
10
10
Pin vs. Pout&I
CTL
(fin=2GHz,V =2.7V,V =0V)
CTL(H)
CTL(L)
P-1dB=30.5dBm
Pout
P-1dB
ICTL
15 20 25 30
Input Power (dBm)
9
8
7
6
5
4
35
Insertion Loss vs. Ambient Temperature
(PC-P1 port,fin=1GHz,V =0V)
CTL(L)
1
V =2.5V
CTL(H)
0.8
V =2.7V
CTL(H)
V =3.0V
CTL(H)
V =3.5V
CTL(H)
0.6 V =5.0V
CTL(H)
V =6.5V
CTL(H)
0.4
0.2
0
-50 0
50
Ambient Temperature (oC)
100
I vs. Ambient Temperature
CTL
(PC-P1 port,fin=1GHz,V =0V)
CTL(L)
50
V =2.5V
CTL(H)
40
V =2.7V
CTL(H)
V =3.0V
CTL(H)
V =3.5V
CTL(H)
30 V =5.0V
CTL(H)
V =6.5V
CTL(H)
20
10
0
-50 0
50
Ambient Temperature (oC)
100
-5-
5 Page 
NJG1518KB2
nAPPLICATION CIRCUIT
Zo=50Ω
P1
1
C1
2
C6
Zo=50Ω
P2
3
C2
Parts List
NJG1518KB2
VCTL1 (2.7V/0V)
6
C5
Zo=50Ω
5 PC
C3
R1
4
C4
VCTL2 (0V/2.7V)
Parts number
C1~C3
C4, C5
C6
R1
List 1
fin=50~100MHz
0.01uF
10pF
10pF
560kΩ
List 2
fin=0.1~0.5GHz
1000pF
10pF
10pF
560kΩ
List 3
fin=0.5~1.7GHz
56pF
10pF
10pF
560kΩ
List 4
fin=1.7~2.5GHz
56pF
10pF
5pF
560kΩ
nRECOMMENDED PCB DESIGN
(TOP VIEW)
C6
P2 C2
C1 P1
C4
VCTL2
R1 C5
C3 VCTL1
PCB SIZE=19.4x14.0mm
PCB: FR-4, t=0.2mm
CAPACITOR: size 1005
STRIPLINE WIDTH=0.4mm
PC
PRECAUTIONS
[1]The DC blocking capacitors have to be placed at RF terminal of P1, P2 and PC. Please
choose appropriate capacitance values to the application frequency.
[2]To reduce stripline influence on RF characteristics, please locate bypass capacitors (C4, C5)
close to each terminal.
[3]For good isolation, the GND terminal (2nd pin) must be placed possibly close to ground plane
of substrate, and through holes for GND should be placed near by the pin connection.
- 11 -
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet NJG1518KB2.PDF ] | |
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