BF1208D NXP Semiconductors, BF1208D Datasheet - Page 11

• Manufacturer Part Number: BF1208D
• Description: Two dual-gate MOS Field-Effect Transistors with shared source and gate2 pins plus an integrated switch
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 11.
Common source; T
[1]
[2]
[3]
BF1208D_1
Product data sheet
Symbol Parameter
C
C
C
C
G
NF
Xmod
y
fs
iss(G1)
iss(G2)
oss
rss
tr
For the MOSFET not in use: V
Calculated from S-parameters.
Measured in
forward transfer admittance
input capacitance at gate1
input capacitance at gate2
output capacitance
reverse transfer capacitance f = 100 MHz
transducer power gain
noise figure
cross modulation
Dynamic characteristics for amplifier B
Figure 34
8.2 Dynamic characteristics for amplifier B
amb
= 25 C; V
test circuit.
G1-S(A)
G2-S
= 0 V; V
= 4 V; V
Conditions
f = 100 MHz; T
f = 100 MHz
f = 100 MHz
f = 100 MHz
B
f = 11 MHz; G
f = 400 MHz; Y
f = 800 MHz; Y
input level for k = 1 %; f
S
f = 200 MHz; G
f = 400 MHz; G
f = 800 MHz; G
at 0 dB AGC
at 10 dB AGC
at 20 dB AGC
at 40 dB AGC
= B
DS(A)
DS
S(opt)
= 5 V; I
= 0 V.
Rev. 01 — 16 May 2007
; B
[1]
L
S
j
S
S
D
= B
= 20 mS; B
= 25 C
= Y
= Y
= 15 mA; unless otherwise specified.
S
S
S
L(opt)
= 2 mS; G
= 2 mS; G
= 3.3 mS; G
S(opt)
S(opt)
w
= 50 MHz; f
S
= 0 S
L
L
= 0.5 mS
= 1 mS
L
= 1 mS
unw
= 60 MHz
Dual N-channel dual gate MOSFET
[2]
[2]
[2]
[2]
[3]
Min Typ
25
-
-
-
-
31
28
26
-
-
-
90
-
-
102
BF1208D
30
2.1
3.4
0.85
30
35
32
30
3
1.1
1.4
-
90
98
105
© NXP B.V. 2007. All rights reserved.
Max Unit
40
2.6
-
-
-
39
36
34
-
1.7
2.0
-
-
-
-
11 of 22
mS
pF
pF
pF
fF
dB
dB
dB
dB
dB
dB
dB V
dB V
dB V
dB V