BF1205 Philips Semiconductors, BF1205 Datasheet - Page 12

• Manufacturer Part Number: BF1205
• Description: Dual N-channel dual gate MOS-FET
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Scattering parameters: amplifier a
V
Noise data
V
DYNAMIC CHARACTERISTICS AMPLIFIER b
Common source; T
2003 Sep 30
C
C
C
C
G
NF
SYMBOL
(MHz)
DS
DS
1000
y
100
200
300
400
500
600
700
800
900
ig1-ss
ig2-ss
oss
rss
Dual N-channel dual gate MOS-FET
tr
50
fs
f
(a) = 5 V; V
(a) = 5 V; V
(MHz)
MAGNITUDE
400
800
f
forward transfer admittance
input capacitance at gate 1
input capacitance at gate 2
output capacitance
reverse transfer capacitance
power gain
noise figure
(ratio)
0.997
0.995
0.988
0.976
0.963
0.944
0.924
0.900
0.874
0.846
0.817
G2-S
G2-S
amb
= 4 V; I
= 4 V; I
s
PARAMETER
11
= 25 C; V
ANGLE
D
D
(deg)
14.64
21.85
28.95
35.98
42.90
49.77
56.61
63.18
69.84
3.70
7.37
(a) = 12 mA; V
(a) = 12 mA; V
G2-S
F MIN
(dB)
MAGNITUDE
1.1
1.2
= 4 V; V
(ratio)
3.15
3.15
3.12
3.09
3.04
2.99
2.94
2.87
2.81
2.73
2.65
DS
DS
T
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 200 MHz; G
G
f = 400 MHz; G
G
f = 800 MHz; G
G
f = 10.7 MHz; G
f = 400 MHz; Y
f = 800 MHz; Y
DS
(b) = 0 V; V
(b) = 0 V; V
j
L
L
L
s
= 25 C
= 5 V; I
= 0.5 mS; B
= 1 mS; B
= 1 mS; B
21
ANGLE
175.99
171.92
163.99
156.06
148.32
140.52
132.88
125.30
117.79
110.29
102.91
(deg)
D
12
= 12 mA
G-1S
G-1S
CONDITIONS
L
L
(ratio)
0.719
0.628
= B
= B
S
S
S
L
S
S
S
= B
= Y
= Y
= 3.3 mS; B
= 2 mS; B
= 2 mS; B
(b) = 0 V; T
(b) = 0 V; T
= 20 mS; B
L(opt)
L(opt)
GAMMA OPT
MAGNITUDE
L(opt)
S(opt)
S(opt)
0.00067
0.00132
0.00262
0.00373
0.00471
0.00557
0.00624
0.00669
0.00701
0.00705
0.00688
; note 1
; note 1
(ratio)
; note 1
S
S
amb
amb
S
= B
= B
S
s
= B
= 0
12
S(opt)
S(opt)
= 25 C
= 25 C
(deg)
16.16
S(opt)
32.7
ANGLE
;
;
(deg)
86.39
84.34
79.71
75.29
71.43
66.89
63.52
60.09
59.58
52.42
49.17
;
26
30
27
22
MIN.
MAGNITUDE
31
2.0
3.3
0.85
20
34
31
26
4
1.3
1.4
TYP.
(ratio)
0.992
0.991
0.990
0.988
0.985
0.982
0.978
0.975
0.972
0.968
0.965
Product specification
31.18
29.74
( )
s
Rn
40
2.5
38
35
30
1.9
2.1
BF1205
MAX.
22
ANGLE
(deg)
11.15
13.88
16.65
19.35
22.08
24.87
27.63
1.38
2.83
5.62
8.40
mS
pF
pF
pF
fF
dB
dB
dB
dB
dB
dB
UNIT