BB404M
Build in Biasing Circuit MOS FET IC
UHF/VHF RF Amplifier
ADE-208-717A (Z) 2nd. Edition Dec. 1998
Features
•Build in Biasing Circuit; To reduce using parts cost & PC board space.
•High gain;
(PG = 29 dB typ. at f = 200 MHz)
•Low noise characteristics;
(NF = 1.2 dB typ. at f = 200 MHz)
•Wide supply voltage range;
Applicable with 5V to 9V supply voltage.
•Withstanding to ESD;
Build in ESD absorbing diode. Withstand up to 200V at C=200pF, Rs=0 conditions.
•Provide mini mold packages; MPAK-4R(SOT-143 var.)
Outline
MPAK-4R
3
4
2
1 1. Source
2. Drain
3. Gate2
4. Gate1
Notes: 1. Marking is “DX–”.
2. BB404M is individual type number of HITACHI BBFET.
BB404M
Absolute Maximum Ratings (Ta = 25°C)
Item |
Symbol |
Ratings |
Unit |
Drain to source voltage |
VDS |
12 |
V |
Gate1 to source voltage |
VG1S |
±10 |
V |
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– 0 |
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Gate2 to source voltage |
VG2S |
Å}10 |
V |
Drain current |
ID |
25 |
mA |
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Channel power dissipation |
Pch |
150 |
mW |
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Channel temperature |
Tch |
150 |
°C |
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Storage temperature |
Tstg |
–55 to +150 |
°C |
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Electrical Characteristics (Ta = 25°C)
Item |
Symbol |
Min |
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Typ |
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Max |
Unit |
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Test Conditions |
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Drain to source breakdown voltage |
V(BR)DSS |
12 |
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— |
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— |
V |
I |
D = 200µA, VG1S = VG2S = 0 |
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Gate1 to source breakdown voltage |
V(BR)G1SS |
+10 |
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— |
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— |
V |
I |
G1 = +10µA, VG2S = VDS = 0 |
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Gate2 to source breakdown voltage |
V(BR)G2SS |
±10 |
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— |
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— |
V |
I |
G2 = ±10µA, VG1S = VDS = 0 |
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Gate1 to source cutoff current |
IG1SS |
— |
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— |
+100 |
nA |
V |
G1S = +9V, VG2S = VDS = 0 |
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Gate2 to source cutoff current |
IG2SS |
— |
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— |
±100 |
nA |
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VG2S = ±9V, VG1S = VDS = 0 |
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Gate1 to source cutoff voltage |
VG1S(off) |
0.4 |
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0.7 |
1.0 |
V |
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VDS = 5V, VG2S = 4V, ID = 100µA |
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Gate2 to source cutoff voltage |
VG2S(off) |
0.5 |
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0.7 |
1.0 |
V |
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VDS = 5V, VG1S = 5V, ID = 100µA |
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Input capacitance |
ciss |
2.3 |
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2.8 |
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3.6 |
pF |
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VDS = 5V, VG1 |
= 5V |
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Output capacitance |
coss |
0.9 |
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1.3 |
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2.0 |
pF |
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VG2S =4V, RG = 180kΩ |
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Reverse transfer capacitance |
crss |
0.003 |
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0.02 |
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0.05 |
pF |
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f = 1MHz |
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Drain current |
ID(op) 1 |
9 |
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15 |
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19 |
mA |
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VDS = 5V, VG1 |
= 5V |
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VG2S = 4V, RG = 180kΩ |
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ID(op) 2 |
— |
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13 |
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— |
mA |
V |
DS = 9V, VG1 |
= 9V |
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VG2S =6V, RG = 470kΩ |
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Forward transfer admittance |
|yfs|1 |
22 |
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27 |
34 |
mS |
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VDS = 5V, VG1 |
= 5V, VG2S =4V |
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RG = 180kΩ, f = 1kHz |
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|yfs|2 |
— |
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27 |
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— |
mS |
V |
DS = 9V, VG1 |
= 9V, VG2S =6V |
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RG = 470kΩ, f = 1kHz |
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Power gain |
PG1 |
24 |
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29 |
32 |
dB |
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VDS = 5V, VG1 |
= 5V, VG2S =4V |
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RG = 180kΩ, f = 200MHz |
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PG2 |
— |
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29 |
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— |
dB |
V |
DS = 9V, VG1 |
= 9V, VG2S =6V |
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RG = 470kΩ, f = 200MHz |
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Noise figure |
NF1 |
— |
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1.2 |
1.9 |
dB |
V DS = 5V, VG1 |
= 5V, VG2S =4V |
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RG = 180kΩ, f = 200MHz |
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NF2 |
— |
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1.2 |
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— |
dB |
V |
DS = 9V, VG1 |
= 9V, VG2S =6V |
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RG = 470kΩ, f = 200MHz |
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2
BB404M
Main Characteristics
Test Circuit for Operating Items (I D(op) , |yfs|, Ciss, Coss, Crss, NF, PG)
VG1 |
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VG2 |
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R G |
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Gate 1 |
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Gate 2 |
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Source |
Drain |
A
I D
Power Gain, Noise Figure Test Circuit
V T |
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VG2 |
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V T |
1000p |
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1000p |
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1000p |
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1000p |
47k |
BBFET |
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47k |
47k |
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L2 |
1000p |
Output (50Ω) |
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Input (50Ω) |
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L1 |
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10p max |
1000p |
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1000p |
RFC |
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R G |
1SV70 |
36p |
1SV70 |
180k (VD=5V) |
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470k (VD=9V) |
1000p
V D= V G1 |
Unit Resistance |
(Ω) |
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Capacitance |
(F) |
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L1 :φ1mm Enameled Copper Wire,Inside dia 10mm, 2Turns
L2 :φ1mm Enameled Copper Wire,Inside dia 10mm, 2Turns
RFC :φ1mm Enameled Copper Wire,Inside dia 5mm, 2Turns
.
3
BB404M
Maximum Channel Power |
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Dissipation Curve |
Typical Output Characteristics |
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(mW) |
200 |
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25 |
VG2S = 6 V |
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k Ω |
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Ω |
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Pch |
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(mA) |
20 |
V G1= VDS |
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270 |
330 |
k |
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Ω |
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150 |
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390 |
k |
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Power Dissipation |
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D |
15 |
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Ω |
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Drain Current I |
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k |
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100 |
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470 |
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Ω |
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k |
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10 |
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Ω |
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560 k |
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680 |
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Ω |
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k |
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50 |
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820 |
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5 |
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Ω |
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Channel |
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1M |
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Ω |
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RG |
= 1.5 |
M |
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0 |
50 |
100 |
150 |
200 |
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2 |
4 |
6 |
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8 |
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10 |
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Ambient Temperature |
Ta |
(°C) |
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Drain to Source Voltage |
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VDS (V) |
Drain Current I D (mA)
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Drain Current vs. |
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25 |
Gate2 to Source Voltage |
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25 |
Drain Current vs. Gate1 Voltage |
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V DS = VG1 = 9 V |
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V DS = 9 V |
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Ω |
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R G = 390 kΩ |
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270 |
k |
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20 |
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(mA) |
20 |
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Ω |
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6 V |
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330 |
k |
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5 V |
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kΩ |
D |
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15 |
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15 |
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390 |
I |
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4 V |
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kΩ |
Current |
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10 |
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470 |
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kΩ |
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10 |
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3 V |
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560 |
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kΩ |
Drain |
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2 V |
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680 |
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5 |
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Ω |
5 |
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820 |
k Ω |
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1M |
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VG2S = 1 V |
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R |
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5 MΩ |
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G |
= 1. |
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0 |
1.2 |
2.4 |
3.8 |
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4.8 |
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6.0 |
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0 |
2 |
4 |
6 |
8 |
10 |
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Gate2 to Source Voltage |
VG2S |
(V) |
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Gate1 Voltage |
VG1 |
(V) |
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4