BLF872_2015 datasheet(7/16 Pages) JMNIC

Part #	BLF872_2015

Description	UHF power LDMOS transistor

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Manufacturer	JMNIC [Quanzhou Jinmei Electronic Co.,Ltd.]

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7 / 16 page

BLF872_1

Product data sheet

Rev. 01 — 20 February 2006

7 of 16

Philips Semiconductors

BLF872

UHF power LDMOS transistor

7.1 Broadband operation data

Measured in a common-source broadband (470 MHz to 860 MHz) test circuit.

7.2 Ruggedness in class-AB operation

The BLF872 is capable of withstanding a load mismatch corresponding to VSWR = 10 : 1

through all phases under the following conditions: VDS = 32 V; f = 860 MHz at rated

power.

Measured in a common-source broadband (470 MHz to 860 MHz) test circuit.

VDS = 32 V; IDq = 2 × 0.9 A; Th = 25 °C.

Black video signal, sync expansion:

input sync = 33 %; output sync

≥ 27 %.

VDS = 32 V; IDq = 2 × 0.9 A; Th = 25 °C.

Black video signal, sync expansion:

input sync = 33 %; output sync

≥ 27 %.

Fig 7.

Analog TV (black video signal) peak sync

output power Po(sync)M and average output

power PL(AV) as a function of frequency f

Fig 8.

Analog TV (black video signal) power gain Gp

and drain efﬁciency

ηD as a function of

frequency f

001aad749

f (MHz)

400

900

800

600

700

500

100

200

300

P

(W)

0

Po(sync)M

PL(AV)

001aad750

f (MHz)

400

900

800

600

700

500

10

5

15

20

Gp

(dB)

0

80

ηD

(%)

60

40

20

0

Gp

ηD

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BLF872_2015 Datasheet(PDF) 7 Page - Quanzhou Jinmei Electronic Co.,Ltd.

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