1.6 Industrial, scientific & medical (ISM)
1.6.1
Broadcast / ISM
Application diagram
typ. 0.5 kW
DVB-T
Driver stages
TV exciter
DVB-T
typ. 5 kW DVB-T
output power
harmonic
filter
power
monitor
8× final
amplifiers
Recommended broadcast products
Function
Product
Driver
f
min
(MHz)
10
1
1
1
HPA
Final
10
10
470
470
470
470
f
max
(MHz)
500
1400
1000
1000
1400
128
860
860
860
860
P1dB (W)
20
35
100
140
200
1200
500
300
600
600
VDS (V)
50
32
40
50
32
50
42
50
50
50
η
D
(%)
70
63
60
49
70
75
47
46
46
46
G
p
(dB)
27.5
19
21
21
18
28.5
21
21
21
21
Test signal
CW
CW
CW
CW
pulsed
pulsed
CW
CW
CW
CW
Package
Type
Recommended ISM products
Function
Product
Driver
f
min
(MHz)
1
10
10
10
10
10
1300
2400
2400
2400
2400
f
max
(MHz)
2500
128
128
500
500
500
1300
2500
2500
2500
2500
P1dB (W)
12
600
1400
200
600
1400
250
180
140
200
250
Matching
I
-
-
-
-
-
I
I/O
I/O
I/O
I/O
VDS (V)
28
50
50
50
50
50
50
28
28
28
28
η
D
(%)
60
75
72
70
70
69
56
55
52
52
55
G
p
(dB)
19
28
29
24
26
23
17
12
17.5
15
15
Test signal
CW
pulsed
pulsed
pulsed
pulsed
pulsed
CW
CW
CW
CW
CW
Package
Type
BLF572XR(S)*
BLF6G13L(S)-250P
BLF2425M7L(S)200*
HPA
Final
* Check status in section 3.1, as this type is not yet released for mass production
Product highlight:
Designed for broadband operation, this 1400 W extremely rugged
LDMOS power transistor supports broadcast and industrial
applications in the HF to 500 MHz band. This product is an enhanced
version of the BLF578. It uses NXP's XR process to provide maximum
ruggedness capability in the most severe applications without
compromising RF performance.
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Features
Output power = 1400 W
Power gain = 23 dB
High Efficiency = 69 %
Integrated ESD protection
Excellent ruggedness
Excellent thermal stability
NXP Semiconductors RF Manual 16
th
edition
35
Products
by application
PHILIPS [ NXP SEMICONDUCTORS ]
