Parameter
Forward Transfer Gain
Maximum Available Power Gain
Noise Figure
NF Test Circuit
2SC3778
Symbol
Conditions
| S21e |2
MAG
NF
VCE=10V, IC=20mA, f=0.9GHz
VCE=10V, IC=20mA, f=0.9GHz
VCE=10V, IC=5mA, f=0.9GHz,
See specified Test Circuit.
Ratings
Unit
min typ max
8
10
dB
14
dB
2.2
4.5 dB
900MHz
C1
~5pF
C2
~10pF
C3
~10pF
C4
~10pF
C5
~10pF
L1
W ≈ 1.5mm, l ≈ 25mm
Strip line
L2
W ≈ 4mm, l ≈ 25mm
Strip line
L3
0.5φ, l ≈ 40mm
CH
2t+bead core
No.1951–2/5