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Philips Semiconductors
HF amplifier modules
CHARACTERISTICS
Z
= Z
= 50 ; P
= 10 mW; V
S
L
D
SYMBOL
f
frequency range
BGY148A
BGY148B
I
total quiescent current
Q
I
control current
C
P
load power
L
G
power gain
p
efficiency
H
second harmonic
2
H
third harmonic
3
VSWR
input VSWR
in
control range
stability
ruggedness
5
handbook, halfpage
P L
(W)
4
3
2
1
0
0
20
V
= 8.5 V.
S
Fig.2 Load power derating curves.
1998 May 13
= 6 V; V
3.5 V; T
S
C
PARAMETER
V
adjust V
adjust V
adjust V
adjust V
adjust V
adjust V
V
P
P
VSWR
V
VSWR
MDA207
VSWR = 1:1
VSWR = 3:1
40
60
80
100
o
T mb (
C)
= 25 C; unless otherwise specified.
mb
CONDITIONS
= 0; P
= 0
C
D
for P
= 3 W
C
L
for P
= 3 W
C
L
for P
= 3 W
C
L
for P
= 3 W
C
L
for P
= 3 W
C
L
for P
= 3 W
C
L
= 0 to 3.5 V
C
= 5 to 20 mW; V
= 5 to 8.5 V;
D
S
3.5 W;
L
4 : 1 through all phases
= 8.5 V; adjust V
for P
S
C
4 : 1 through all phases
3
BGY148A; BGY148B
MIN.
TYP.
400
430
3
24.8
46
53
10
= 3.5 W;
no degradation
L
Product specification
MAX.
UNIT
440
MHz
488
MHz
100
A
500
A
W
dB
%
38
dBc
38
dBc
3 : 1
dB
60
dBc
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