2SC4197
Conversion Gain and Noise Figure Test Circuit
V
Tin
1k
f
osc
= 930 MHz
(–5 dBm)
2.2 n
L
4
L
1
L
2
8p
2.2 n
D
1
Unit R :
Ω
C:F
L:H
D.U.T.
1k
L
5
220
µ
f
out
= 30 MHz
R
L
= 50
Ω
100 p 100 p
V
BB
2.2 n
2.2 n
V
CC
L
3
47 p
100
D
1
47 k
2.2 n
f
in
= 900 MHz
V
Tout
25
D
1
: 1 SV 188
10
L
1
:
φ
1 mm Enameled Copper Wire.
10
10
15
30
L
3
:
φ
1 mm Enameled Copper Wire.
10
10
25
L
2
:
φ
1 mm Enameled Copper Wire.
10
Unit : mm
L
4
:
φ
0.5 mm Enameled Copper Wire 1 Turn Inside Dia 3 mm
L
5
: Inside Dia 5 mm Bobin,
φ
0.2 mm Enameled Copper Wire 20 Turns with Ferrite Core.
Rev.3.00 Aug 10, 2005 page 8 of 9