BFR94A_10 Datasheet, PDF (6/14 Pages) NXP Semiconductors – NPN 5 GHz wideband transistor

NXP Semiconductors
BFR94A
NPN 5 GHz wideband transistor
50
gain
(dB)
40
30
20
10
G_UM
MSG
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G_max
50
gain
(dB)
40
30
20
10
G_UM
MSG
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G_max
0
10
10²
10³
10⁴
f (MHz)
0
10
10²
10³
10⁴
f (MHz)
Fig 8.
I_C = 5 mA; V_CE = 10 V.
MSG = maximum stable gain.
G_max = maximum available gain.
Gain as a function of frequency; typical values
Fig 9.
I_C = 5 mA; V_CE = 10 V.
MSG = maximum stable gain.
G_max = maximum available gain.
Minimum noise figure as a function of
frequency; typical values
40
B_S
(mS)
20
0
−20
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2.0
1.8
1.7
NF = 3.0 dB
2.5
30
B_S
(mS)
10
−10
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NF = 3.5 dB
3.0
2.5
2.4
−40
0
20
40
60
80
G_S (mS)
−30
0
20
40
60
G_S (mS)
I_C = 4 mA; V_CE = 10 V; f = 800 MHz.
I_C = 14 mA; V_CE = 10 V; f = 800 MHz.
Fig 10. Circles of constant noise figure; typical values Fig 11. Circles of constant noise figure; typical values
BFR94A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 15 November 2010
© NXP B.V. 2010. All rights reserved.
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