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PDF NJG1517KB2 Data sheet ( Hoja de datos )
| Número de pieza | NJG1517KB2 | |
| Descripción | SPDT SWITCH GaAs MMIC | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJG1517KB2
SPDT SWITCH GaAs MMIC
nGENERAL DESCRIPTION
NJG1517KB2 is a GaAs SPDT switch suited for RF
receiving circuit of cellular phone handsets.
This switch features very low loss, high isolation and
exhibits wide operating frequency range from 50MHz to
3.0GHz at low voltage of 2.5V.
The Ultra small & ultra thin FLP6 package is applied.
nPACKAGE OUTLINE
NJG1517KB2
nFEATURES
lSingle low voltage control
lLow insertion loss
lHigh isolation
lHandling power
lLow current consumption
lUltra small & ultra thin package
+2.5~+6.5V
0.3dB typ. @f=1GHz, Pin=0dBm
27dB typ. @f=1GHz, Pin=0dBm
20dBm max. @f=2GHz, VCTL=2.7V
5uA typ. @f=2GHz, Pin=10dBm, 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
VCTL1
VCTL2
P1-PC
P2-PC
H
L
ON
OFF
“H”=VCTL (H),“L”=VCTL (L)
L
H
OFF
ON
L
L
Insertion Loss=13dB
P1 Return Loss=-3dB
Insertion Loss=13dB
P2 Return Loss=-3dB
H
H
Insertion Loss=13dB
P1 Return Loss=-2dB
Insertion Loss=13dB
P2 Return Loss=-2dB
NOTE: The values of insertion losses and return losses are typical values at 2.0GHz.
-1-
1 page  
NJG1517KB2
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)
CTL1
CTL2
3
NJG1517KB2
Pin VS. Pout&ICTL
35
Pout
2.6 30 P-1dB
P-1dB=24.6dBm
2.2 25
8
7
6
1.8 20 5
1.4
1
0 0.5 1 1.5 2 2.5 3
Frequency (GHz)
15
10
10
ICTL
15 20 25 30
Input Power (dBm)
4
3
35
625mV
100mV
/div
Switching Speed
(VCTL (L)=0V, VCTL (H)=2.7V)
16.5ns
VCTL
RF
Insertion Loss vs. Ambient Temperature
(PC-P1 port,fin=2GHz,VCTL(L)=0V)
1
VCTL=2.5V
VCTL=2.7V
0.8 VCTL=3.0V
VCTL=3.5V
VCTL=5.0V
VCTL=6.5V
0.6
Trig’d
0.4
-375mV
-13.8nF
10ns/div
86.2nF
Isolation vs. Ambient Temperature
(PC-P1 port,fin=2GHz,VCTL(L)=0V)
30
VCTL=2.5V
VCTL=2.7V
VCTL=3.0V
25 VCTL=3.5V
VCTL=5.0V
VCTL=6.5V
20
0.2
0
-50 0 50
Ambient Temperature ( oC)
ICTL vs. Ambient Temperature
(PC-P1 port,fin=2GHz,VCTL(L)=0V)
20
VCTL=2.5V
VCTL=2.7V
VCTL=3.0V
15 VCTL=3.5V
VCTL=5.0V
VCTL=6.5V
10
5
100
15
-50
0 50
Ambient Temperature (oC)
0
100 -50
0
50
Ambient Temperature (oC)
100
-5-
5 Page 
NJG1517KB2
nAPPLICATION CIRCUIT
Zo=50Ω
P1
C1
1
2
C6
Zo=50Ω
P2
3
C2
Parts List
NJG1517KB2
6
C5
VCTL1 (2.7V/0V)
Zo=50Ω
5
C3
R1
PC
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=19.4x14mm
PCB: FR-4, t=0.2mm
CAPACITOR: size 1005
PC STRIPLINE WIDTH=0.4mm
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 terminals.
[3] For good isolation, the EXTCAP 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 NJG1517KB2.PDF ] | |
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