DRF1401 Datasheet, PDF (5/7 Pages) List of Unclassifed Manufacturers – UHF POWER TRANSISTOR

UHF POWER TRANSISTOR
DRF1401
¤ APPLICATION INFORMATION (II)
RF performance at Ts ≤ 60  in common emitter configuration. (ICQ = 5mA)
Mode of Operation
CW, class-AB
f [MHz]
450
VCE [V]
4.8
PL [mW]
630
GP [dB]
‡ 14
ǵC [%]
‡

DRF1401 Input/Load Impedance as a frequency
Freq.
[MHz]
400
450
500
550
600
Zin
rin
xin
8.35 -3.34
7.38 -7.19
6.80 -11.03
6.74 -14.89
7.03 -18.92
ZL
RL
ZL
23.32 4.19
20.24 9.95
18.27 16.37
17.30 23.65
17.05 32.08
Transister Impedance
ZL
Zin
20
Zin ¹⁵
[Ω] ₁₀
5
0
-5
-10
-15
-20
350
rin
xin
450
550
650
Freq [MHz]
Fig 5. Input Impedance (series components) as
a freq, typical values.
35
ZL ₃₀
[Ω]
25
20
15
10
5
0
350
RL
XL
450
550
650
Freq [MHz]
Fig 6. Load Impedance (series components) as
a freq, typical values.
www.tachyonics.co.kr
- 5/7 -
Sep-03-2002
2nd Edition