TriQuint Semiconductor Texas Phone : (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com
Advance Product Information
July 22, 2003
1
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Not Recommended for New Designs
TriQuint Recommends the TGA4905-EPU-CP be used for New Designs
3 Watt Ka Band Packaged Amplifier TGA4901-EPU-CP
Key Features and Performance
34.8 dBm Midband Psat
24 dB Nominal Gain
8 dB Typical Input Return Loss
12 dB Typical Output Return Loss
25 - 31 GHz Frequency Range
0.25m pHEMT Technology
Bias Conditions: 6V, 2.2A
Package Dimensions:
13.34 x 9.65 x 1.85 mm
(0.525 x 0.380 x 0.073 in)
Preliminary Measured Performance
Bias Conditions: Vd=6V Idq=2.2A
Primary Applications
Satellite Ground Terminal
Point to Point
TGA4901 S-Parameters
-20
-15
-10
-5
0
5
10
15
20
25
30
20
22
24
26
28
30
32
34
36
38
40
Frequency (GHz)
Ga
in (dB
)
-30
-25
-20
-15
-10
-5
0
5
10
15
20
Retu
rn
L
o
ss (d
B)
Gain
Input
Output
30.0
30.5
31.0
31.5
32.0
32.5
33.0
33.5
34.0
34.5
35.0
35.5
36.0
25
26
27
28
29
30
31
32
Frequency (GHz)
Po
u
t
@
Pi
n
=+18d
Bm (d
Bm)
TriQuint Semiconductor Texas Phone : (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com
Advance Product Information
July 22, 2003
2
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Not Recommended for New Designs
TriQuint Recommends the TGA4905-EPU-CP be used for New Designs
TGA4901-EPU-CP
TABLE I
MAXIMUM RATINGS
Symbol
Parameter 1/
Value
Notes
V
D
Drain Voltage
8 V
2/
V
G
Gate Voltage Range
-5V to 0V
I
D
Drain Current (Quiescent)
3.0 A
2/
| I
G
|
Gate Current
62 mA
P
IN
Input Continuous Wave Power
24 dBm
2/
P
D
Power Dissipation
16.8 W
2/ 3/
T
CH
Operating Channel Temperature
150
0
C
4/ 5/
T
M
Mounting Temperature
(30 Seconds)
320
0
C
T
STG
Storage Temperature
-65 to 150
0
C
1/
These ratings represent the maximum operable values for this device.
2/
Combinations of supply voltage, supply current, input power, and output power
shall not exceed P
D
.
3/
P
D
is the power dissipation allowed in order to reach a channel temperature of
150
C with a package base temperature of 70
C. When operated at this power
dissipation with a baseplate temperature of 70
C, the MTTF is reduced from
5.3E+6 to 1.0E+6 hours.
4/
These ratings apply to each individual FET.
5/
Junction operating temperature will directly affect the device median time to
failure (T
M
). For maximum life, it is recommended that junction temperatures be
maintained at the lowest possible levels.
TriQuint Semiconductor Texas Phone : (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com
Advance Product Information
July 22, 2003
3
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Not Recommended for New Designs
TriQuint Recommends the TGA4905-EPU-CP be used for New Designs
TABLE II
RF CHARACTERIZATION TABLE
(T
A
= 25
C, Nominal)
(Vd = 6V, Idq = 2.2A
5%)
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
TYPICAL
UNITS
Gain
Small Signal Gain
F = 25 31GHz
24
dB
IRL
Input Return Loss
F = 25 31GHz
8
dB
ORL
Output Return Loss
F = 25 31GHz
12
dB
PWR
Output Power @
Pin = +18dBm
F = 25 31GHz
34.5
dBm
TGA4901-EPU-CP
TABLE III
THERMAL INFORMATION*
Parameter
Test Conditions
T
CH
(
C)
R
JC
(
C/W)
T
M
(hrs)
R
JC
Thermal Resistance
(Channel to Backside of
Package)
V
D
= 6V
I
D
= 2.2A
P
DISS
= 13.2W
131.33
4.65
5.3E+6
* The thermal information is a result of a detailed thermal model
TriQuint Semiconductor Texas Phone : (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com
Advance Product Information
July 22, 2003
4
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Not Recommended for New Designs
TriQuint Recommends the TGA4905-EPU-CP be used for New Designs
Typical Performance
V
D
= 6V I
Dq
= 2.2A
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
20
22
24
26
28
30
32
34
36
38
40
Frequency (GHz)
Gain (dB)
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
20
22
24
26
28
30
32
34
36
38
40
Frequency (GHz)
Return Loss (dB)
Input
Output
TGA4901-EPU-CP
TriQuint Semiconductor Texas Phone : (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com
Advance Product Information
July 22, 2003
5
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Not Recommended for New Designs
TriQuint Recommends the TGA4905-EPU-CP be used for New Designs
TGA4901-EPU-CP
Typical Performance
V
D
= 6V I
Dq
= 2.2A
30.0
30.5
31.0
31.5
32.0
32.5
33.0
33.5
34.0
34.5
35.0
35.5
36.0
25
26
27
28
29
30
31
32
Frequency (GHz)
Pout @ Pin=+18dBm (dBm)
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