NXP Semiconductors AN10714, Примечание к применению

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AN10714_1 © NXP B.V. 2010. All rights reserved.
Application note Rev. 01 — 26 January 2010 13 of 21
NXP Semiconductors
AN10714
Using the BLF574 in the 88 MHz to 108 MHz FM band
V
DD
= 50 V; I
Dq
= 200 mA.
(1) 88 MHz.
(2) 98 MHz.
(3) 108 MHz.
Fig 9. Second order harmonics as a function of output power against frequency
P
L
(W)
0 800 600 400 200
001aal310
−
40
−
30
−
20
α
2H
(dBc)
−
50
(1)
(2)
(3)