July 2006
Rev 1
1/12
12
DB-57060S-526
RF POWER amplifier using 1 x PD57060S
N-channel enhancement-mode lateral MOSFETs
General Feature
Excellent thermal stability
Frequency: 486 - 526MHz
Supply voltage: 26V
Output power: 20W
Operation: class AB
IMD3 (2 tones test): < -36 dBc @ 20W avg
Load mismatch: 20:1
Beo free amplifier
Description
The DB-57060S-526 is a common source N-
Channel Enhancement-Mode Lateral Field Effect
RF power amplifer designed for UHF repeater
applications
Order code
DB-57060S-526
Mechanical specification:
L = 70 mm, W = 30 mm
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Contents
DB-57060S-526
2/12
Contents
1
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5
Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6
Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DB-57060S-526
Electrical data
3/12
1 Electrical
data
1.1 Maximum
ratings
2 Electrical
characteristics
T
A
= +25
o
C, V
DD
= 26V, I
dq
= 200mA
Table 1.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
V
DD
Supply Voltage
32
V
I
D
Drain Current
2.5
A
T
CASE
Operating Case Temperature
-20 to +85
C
T
A
Max. Ambient Temperature
+55
C
Table 2.
Electrical specification
Symbol
Test conditions
Min
Typ
Max
Unit
Freq
Frequency Range
486
526
MHz
P
OUT
20
W
Gain
15.5
0.6
dB
Efficiency @ P
OUT
= 20W
34 - 39
%
IMD3
2 tones : 1MHz spacing - 20W avg
-36
dBc
VSWR
Load Mismatch all phases @ P
OUT
= 20W
20:1
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