1997 Oct 29

4

Philips Semiconductors

Product specification

NPN 5 GHz wideband transistor

BFR93

Fig.2 Intermodulation distortion test circuit.

L2=L3=5

µH Ferroxcube choke, catalogue number

3122 108 20150.

L1 = 4 turns 0.35 mm copper wire; winding pitch 1 mm; internal

diameter 4 mm.

handbook, halfpage

MEA454

680 pF

240

L1

L2

680 pF

75

Ω

input

75

Ω

output

16

Ω

1.2 k

L3

390

560

680 pF

DUT

+24 V

Ω

Ω

Ω

Ω

Ω

Fig.3 Power derating curve.

handbook, halfpage

0

50

100

200

400

300

100

0

200

MBG246

150

P

tot

(mW)

T

s

Fig.4

DC current gain as a function of

collector current; typical values.

handbook, halfpage

010

20

30

120

0

40

80

MCD087

h FE

I

(mA)

C

Fig.5

Collector capacitance as a function of

collector-base voltage; typical values.

handbook, halfpage

04

8

16

1

0

0.8

MEA450

12

0.6

0.4

0.2

20

VCB (V)

Cc

(pF)