START499ETR
NPN RF silicon transistor
Features
■
■
■
■
■
High efficiency
High gain
Linear and non linear operation
Transition frequency 42 GHz
Ultra miniature SOT-343 (SC70) lead free package
Applications
■
■
■
PA for dect or PHS
PA stage for wireless LAN and Bluetooth™ @ 2.5 GHz
UHF-VHF pre power amplifier
Description
START499ETR is a product of the START family that provide the market with a Si state-of-art
RF process. Manufactured in ST 3 rd
generation bipolar process, it offers the highest power, gain and efficiency in SOT-343 for given breakdown voltage (BVceo). Suitable for a wide range of applications up to 5 GHz, it shows a performance level achieved before with GaAs products only.
SOT-343
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Table 1.
Device summary
Part number Marking Package Packaging
START499ETR E99 SOT-343 Tape and reel
February 2008 Rev 1 1/14 www.st.com
14
4
5
2
3
6
7
8
Contents
Contents
1
START499ETR
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Spice parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Package equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1
For more accuracy simulation in saturation region: . . . . . . . . . . . . . . . . . . 8
Common emitter S-parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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START499ETR Electrical data
Table 2.
Symbol
V
CEO
V
CBO
V
EBO
I
C
I
B
P
TOT
T
STG
T
J
Absolute maximum ratings (T
C
= +25°C)
Parameter Value Unit
Collector emitter voltage
Collector base voltage
Emitter base voltage
Collector current
4.5
15
1.5
600
V
V
V mA
Base current 32 mA
Total dissipation at T
S
= 60 ° C 600
Storage temperature -65 to 150 ° C
Max. operating junction temperature 150 ° C
Table 3.
Symbol
R thJC
Thermal data
Parameter
Junction - case thermal resistance
Value
150
Unit
° C/W
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Electrical characteristics START499ETR
Table 4.
Electrical characteristics (t
J
= 25 °C, unless otherwise specified)
Symbol Parameter Test Typ Max Unit
I
I
CBO
EBO h
FE
P
-1dB
IP3
Collector cutoff current V
CB
= 5 V, I
E
= 0 A
Emitter-base cutoff current V
EB
= 1.5 V, I
C
= 0 A
I
C
= 160 mA, V
CE
= 4 V
I
C
= 200 mA, V f = 1.8 GHz
CE
= 3 V,
1dB compression point
Ouput third order intercept point
I
C
= 200 mA,V
CE
= 3 V, f = 1.8 GHz
I
C
= 200 mA, V f = 1.8 GHz
CE
= 3 V,
I
C
= 200 mA, V f = 1.8 GHz
CE
= 3 V,
160
1.2 µA
120 µA
15 dB
23.5 dBm
33.5 dBm
3.3 dB
Table 5.
Quick reference data
Mode of operation f (GHz)
Class-AB (Icq = 5 mA) 1.9
V
CE
(V)
3.6
P
L
(dBm)
26
G
P
(dB)
≤
12
η
(%) typ. 68
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START499ETR
Figure 1.
Pin out
Pin connections
Table 6.
Pin description
Pin number Description
1 Base
3 Collector
2,4 Emitter
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Spice parameters START499ETR
(Gummel-poon model, Berkley-SPICE 2G.6 syntax)
Table 7.
Transistor chip data
Symbol Value
TMEAS 27.0
IS 3.27E-16
ISE 13.08E-12
NR 1
ISC 7.89E-15
TR 7E-10
XTF 16.3
RB 2.58
RC 0.597
CJE 3048E-15
CJC 930E-15
CJS 510E-15
FC 0.81
EG 1.12
NF 1
NE 3.2
BR 9.75
NC 1.5
PTF 38
ITF 5.01
RBM 0.83
RE 0.066
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VJC 0.695
VJS 0.507
XJBC 0.51
XTI 3.68
BF 332
VAF 70
VAR 2.1
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START499ETR Spice parameters
Table 7.
Transistor chip data (continued)
Symbol Value
TF 3.4E-12
VTF 29.7
MJE 0.341
MJC 0.312
MJS 0.297
IKR 57.3E-3
XTB -0.82
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Package equivalent circuit
5 Package equivalent circuit
Figure 2.
Package equivalent circuit
START499ETR
Note:
5.1
In order to avoid high complexity of the package equivalent circuit, the two emitter leads of
SOT-343 package are combined in one electrical connection.
For more accuracy simulation in saturation region:
Adding the 5 spice parameters showed in Table 8
and using ST spice library (available on request) you can achieve a more accuracy simulation in the saturation region. ST spice library is compatible with following simulators: ELDO MENTOR (any version), SPECTRE
CADENCE (any version), ADS (version 2001 only).
Table 8.
Spice parameters extracted in saturation region
RW Vjj ENP
1.034 0.755 2.235
VRP RP
{7.2*((TEMPER+273.15)/300.15)^(0.125)} 0.33E-6
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START499ETR
6 Common emitter S-parameters
Common emitter S-parameters
V
CE
= 2 V, I
C
= 200 mA
Table 9.
Common emitter S-parameters
Freq (MHz) IS
11
I S
11
∠Φ
IS
21
I S
21
∠Φ
IS
12
I S
12
∠Φ
IS
22
I S
22
∠Φ
0.9 0.781 174 8.622 107 0.021 119 0.600 -174
1 0.780 173 7.535 109 0.021 134 0.598 -176
1.5 0.782 167 5.203 120 0.061 160 0.600 180
1.8 0.764 162 4.229 122 0.062 171 0.605 177
2 0.765 159 3.896 125 0.090 173 0.600 176
2.5 0.725 153 3.150 131 0.132 179 0.590 174
3 0.687 148 2.364 138 0.152 170 0.575 171
3.5 0.662 142 1.806 152 0.211 161 0.569 167
4 0.677 139 1.558 165 0.263 154 0.586 162
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Package mechanical data
7 Package mechanical data
START499ETR
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
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START499ETR
Table 10.
SOT-343 mechanical data
Dim.
Min mm.
Typ
Package mechanical data
Max
C 12.8 13.0 13.5
D 20.2
N 54.5 55 55.5
T 14.4
Ao 2.25
Bo 2.7
Ko 1.2
Po 3.8 (cumulative 10 Po) 4.0 4.2 (cumulative 10 Po)
P 4.0
Figure 3.
Package dimensions
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Package mechanical data
Figure 4.
Device orientation
Figure 5.
Package dimensions SOT-343 (SC-70 4 leads)
START499ETR
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START499ETR
Table 11.
Document revision history
Date Revision
21-Feb-2008 1 Initial release
Changes
Revision history
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START499ETR
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