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Número de pieza | BLW898 | |
Descripción | UHF linear power transistor | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
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No Preview Available ! DISCRETE SEMICONDUCTORS
DATA SHEET
BLW898
UHF linear power transistor
Product specification
Supersedes data of 1995 Oct 04
1996 Jul 16
1 page Philips Semiconductors
UHF linear power transistor
Product specification
BLW898
APPLICATION INFORMATION
RF performance at Th = 25 °C in a common emitter class-A test circuit.
MODE OF
OPERATION
CW class-A
CW class-A
f
(MHz)
860
860
VCE
(V)
25
25
ICQ Po sync
(A) (W)
1.1 ≥3(1)
1.1 ≥3(2)
Gp
(dB)
≥9(1)
≥9(2)
dim
(dB)
<−63(1)
<−60(2)
Notes
1. Three-tone test method (vision carrier −8 dB, sound carrier −10 dB, sideband signal −16 dB), 0 dB corresponds to
peak sync level.
2. Three-tone test method (vision carrier −8 dB, sound carrier −7 dB, sideband signal −16 dB), 0 dB corresponds to
peak sync level.
Ruggedness in class-A operation
The BLW898 is capable of withstanding a load mismatch corresponding to VSWR = 50 : 1 through all phases, under the
conditions: VCE = 25 V; ICQ = 1.1 A; Th = 25 °C; f = 860 MHz; Po sync = 3 W.
30
handbook, halfpage
Po sync
(W)
20
MGD534
(1)
(2)
12
handbook, halfpage
Gp
(dB)
8
(1)
(2)
MGD535
10 4
0
01 2 3 4
Pi sync (W)
VCE = 25 V; ICQ = 1.1 A; f = 860 MHz; (3-tone; −8/−16/−10 dB).
(1) Th = 25 °C.
(2) Th = 70 °C.
Fig.5 Output power as a function of input power;
typical values.
0
0 10 20 30
Po sync (W)
VCE = 25 V; ICQ = 1.1 A; f = 860 MHz; (3-tone; −8/−16/−10 dB).
(1) Th = 25 °C.
(2) Th = 70 °C.
Fig.6 Power gain as a function of output power;
typical values.
1996 Jul 16
5
5 Page Philips Semiconductors
UHF linear power transistor
Product specification
BLW898
DEFINITIONS
Data Sheet Status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1996 Jul 16
11
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet BLW898.PDF ] |
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