HMC741ST89ETR [ADI]
InGaP HBT Active Bias MMIC Amplifier, 0.05 - 3 GHz;
| 型号： | HMC741ST89ETR |
| 厂家： | 
ADI |
| 描述： | InGaP HBT Active Bias MMIC Amplifier, 0.05 - 3 GHz 射频 微波 |
| 文件： | 总9页 (文件大小：723K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Typical Applications
Thꢁ Hmc741sT89e ꢂꢃ ꢂdꢁaꢉ ꢌꢆꢅ:
• cꢁꢉꢉuꢉaꢅ/3G & WꢂmAX/4G
• fꢂxꢁd Wꢂꢅꢁꢉꢁꢃꢃ & WlAn
Features
p1dB outꢈut pꢆwꢁꢅ: +18.5 dBꢋ
8
Gaꢂꢄ: 20 dB
outꢈut ip3: +42 dBꢋ
• cATv, cabꢉꢁ mꢆdꢁꢋ & DBs
• mꢂꢇꢅꢆwaꢀꢁ radꢂꢆ & Tꢁꢃt equꢂꢈꢋꢁꢄt
• if & rf Aꢈꢈꢉꢂꢇatꢂꢆꢄꢃ
caꢃꢇadabꢉꢁ 50 ohꢋ i/oꢃ
sꢂꢄgꢉꢁ suꢈꢈꢉy: +5v
iꢄduꢃtꢅy staꢄdaꢅd soT89 paꢇꢊagꢁ
rꢆbuꢃt 1000v esD, cꢉaꢃꢃ 1c
stabꢉꢁ cuꢅꢅꢁꢄt oꢀꢁꢅ Tꢁꢋꢈꢁꢅatuꢅꢁ
Aꢇtꢂꢀꢁ Bꢂaꢃ nꢁtwꢆꢅꢊ
Functional Diagram
General Description
Thꢁ Hmc741sT89e ꢂꢃ aꢄ iꢄGap Hꢁtꢁꢅꢆjuꢄꢇtꢂꢆꢄ
Bꢂꢈꢆꢉaꢅ Tꢅaꢄꢃꢂꢃtꢆꢅ (HBT) Gaꢂꢄ Bꢉꢆꢇꢊ mmic smT
aꢋꢈꢉꢂfiꢁꢅ ꢇꢆꢀꢁꢅꢂꢄg 0.05 tꢆ 3 GHz. paꢇꢊagꢁd ꢂꢄ aꢄ
ꢂꢄduꢃtꢅy ꢃtaꢄdaꢅd soT89, thꢁ aꢋꢈꢉꢂfiꢁꢅ ꢇaꢄ bꢁ uꢃꢁd
aꢃ a ꢇaꢃꢇadabꢉꢁ 50 ohꢋ rf ꢆꢅ if gaꢂꢄ ꢃtagꢁ aꢃ wꢁꢉꢉ
aꢃ a pA ꢆꢅ lo dꢅꢂꢀꢁꢅ wꢂth uꢈ tꢆ +18.5 dBꢋ ꢆutꢈut
ꢈꢆwꢁꢅ. Thꢁ Hmc741sT89e ꢆꢌꢌꢁꢅꢃ 20 dB ꢆꢌ gaꢂꢄ wꢂth
a +42 dBꢋ ꢆutꢈut ip3 at 200 mHz, aꢄd ꢇaꢄ ꢆꢈꢁꢅatꢁ
dꢂꢅꢁꢇtꢉy ꢌꢅꢆꢋ a +5v ꢃuꢈꢈꢉy. Thꢁ Hmc741sT89e
ꢁxhꢂbꢂtꢃ ꢁxꢇꢁꢉꢉꢁꢄt gaꢂꢄ aꢄd ꢆutꢈut ꢈꢆwꢁꢅ ꢃtabꢂꢉꢂty ꢆꢀꢁꢅ
tꢁꢋꢈꢁꢅatuꢅꢁ, whꢂꢉꢁ ꢅꢁquꢂꢅꢂꢄg a ꢋꢂꢄꢂꢋaꢉ ꢄuꢋbꢁꢅ ꢆꢌ
ꢁxtꢁꢅꢄaꢉ bꢂaꢃ ꢇꢆꢋꢈꢆꢄꢁꢄtꢃ.
Electrical Specifications, Vcc = 5V, TA = +25° C
paꢅaꢋꢁtꢁꢅ
fꢅꢁquꢁꢄꢇy raꢄgꢁ
mꢂꢄ.
Tyꢈ.
150
20
max.
mꢂꢄ.
Tyꢈ.
240
21
max.
mꢂꢄ.
16
Tyꢈ.
50 - 1000
20
max.
0.01
mꢂꢄ.
12
Tyꢈ.
50 - 3000
19
max.
0.01
Uꢄꢂtꢃ
mHz
dB
Gaꢂꢄ
19
19
Gaꢂꢄ fꢉatꢄꢁꢃꢃ
0.3
0.004
16
0.3
0.004
16
0.3
2.6
dB
Gaꢂꢄ vaꢅꢂatꢂꢆꢄ ꢆꢀꢁꢅ Tꢁꢋꢈꢁꢅatuꢅꢁ
iꢄꢈut rꢁtuꢅꢄ lꢆꢃꢃ
outꢈut rꢁtuꢅꢄ lꢆꢃꢃ
rꢁꢀꢁꢅꢃꢁ iꢃꢆꢉatꢂꢆꢄ
0.004
16
0.004
12
dB/ °c
dB
17
17
17
12
dB
25
25
25
26
dB
outꢈut pꢆwꢁꢅ ꢌꢆꢅ 1 dB cꢆꢋꢈꢅꢁꢃꢃꢂꢆꢄ
(p1dB)
16
18.8
40.5
16
18.8
40.5
16
18.8
40.5
14
16
30
dBꢋ
dBꢋ
outꢈut Thꢂꢅd oꢅdꢁꢅ iꢄtꢁꢅꢇꢁꢈt (ip3)
(pꢆut= 0 dBꢋ ꢈꢁꢅ tꢆꢄꢁ,
1 mHz ꢃꢈaꢇꢂꢄg)
nꢆꢂꢃꢁ fꢂguꢅꢁ
2.5
96
2.5
96
2.5
96
2.5
96
dB
suꢈꢈꢉy cuꢅꢅꢁꢄt (iꢇq)
ꢋA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 1
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
View a parametric search of comparable parts.
DESIGN RESOURCES
• HMC741 Material Declaration
• PCN-PDN Information
EVALUATION KITS
• HMC741ST89E Evaluation Board
• Quality And Reliability
• Symbols and Footprints
DOCUMENTATION
Application Notes
DISCUSSIONS
View all HMC741 EngineerZone Discussions.
• AN-1363: Meeting Biasing Requirements of Externally
Biased RF/Microwave Amplifiers with Active Bias
Controllers
SAMPLE AND BUY
Visit the product page to see pricing options.
Data Sheet
• HMC741 Data Sheet
TECHNICAL SUPPORT
Submit a technical question or find your regional support
number.
TOOLS AND SIMULATIONS
• HMC741 S-Parameter
DOCUMENT FEEDBACK
Submit feedback for this data sheet.
REFERENCE MATERIALS
Quality Documentation
• Package/Assembly Qualification Test Report: 3 Lead
Plastic SOT89 Package (QTR: 10002 REV: 02)
• Semiconductor Qualification Test Report: GaAs HBT-E
(QTR: 2013-00271)
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HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
IF Band Performance
Gain & Return Loss
Gain vs.Temperature
25
20
15
10
5
30
8
25
20
S21
S11
S22
0
15
-5
+25C
+85C
-40C
-10
-15
-20
-25
-30
10
5
0
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
FREQUENCY (GHz)
Noise Figure vs.Temperature
Output IP3 vs.Temperature
8
50
7
45
40
6
+25C
+85C
-40C
5
4
3
2
1
0
35
+25C
30
25
20
+85C
-40C
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
FREQUENCY (GHz)
Output IP3 vs. Vcc
Output IP3 vs. Output Power
50
50
45
40
35
30
25
20
45
40
35
30
25
20
15
4.5V
5.0V
5.5V
100MHz
400MHz
10
1GHz
5
0
0
0.2
0.4
0.6
0.8
1
-5
0
5
10
15
FREQUENCY (GHz)
Pout (dBm)
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 2
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Broadband Performance
Gain & Return Loss
Gain vs.Temperature
25
20
15
30
8
25
20
10
S21
S11
S22
5
0
15
-5
+25C
+85C
-40C
-10
-15
-20
-25
-30
10
5
0
0
0.5
1
1.5
2
2.5
3
3
3
0
0.5
1
1.5
2
2.5
3
3
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Gain vs. Vcc
Input Return Loss vs.Temperature
25
0
-5
20
15
10
5
-10
-15
4.5V
5.0V
5.5V
+25C
+85C
-40C
-20
-25
-30
0
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
FREQUENCY (GHz)
FREQUENCY (GHz)
Output Return Loss vs.Temperature
Input Return Loss vs. Vcc
0
0
+25C
-5
-5
-10
-15
-20
-25
-30
+85C
-40C
-10
-15
-20
-25
-30
4.5V
5.0V
5.5V
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
FREQUENCY (GHz)
FREQUENCY (GHz)
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 3
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Output Return Loss vs. Vcc
Noise Figure vs.Temperature
0
8
8
7
4.5V
5.0V
5.5V
-5
-10
-15
-20
-25
-30
6
+25C
+85C
-40C
5
4
3
2
1
0
0
0.5
1
1.5
2
2.5
3
0
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Noise Figure vs. Vcc
Reverse Isolation vs.Temperature
8
7
6
5
4
3
2
1
0
0
-5
4.5V
5.0V
5.5V
+25C
-10
-15
-20
-25
-30
+85C
-40C
0
0.5
1
1.5
2
2.5
3
0
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Reverse Isolation vs. Vcc
Output IP3 vs.Temperature
0
50
45
40
35
30
25
-5
4.5V
5.0V
5.5V
-10
-15
-20
-25
-30
20
+25C
+85C
15
10
5
-40C
0
0
0.5
1
1.5
2
2.5
3
0
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 4
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Output IP3 vs. Vcc
Current vs.Temperature
50
45
40
35
30
25
140
8
+25C
120
+85C
-40C
100
20
80
60
40
4.5V
5.0V
15
10
5
5.5V
0
0
0.5
1
1.5
2
2.5
3
3
1
4.5
4.75
5
5.25
5.5
FREQUENCY (GHz)
VOLTAGE (V)
P1dB vs.Temperature
Psat vs.Temperature
20
20
15
15
10
5
+25C
+25C
+85C
-40C
10
+85C
-40C
5
0
0
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Power Compression @ 500 MHz
Power Compression @ 2 GHz
25
25
20
20
Pout
Gain
PAE
15
10
5
15
Pout
Gain
PAE
10
5
0
0
-5
-5
-20
-20
-17
-14
-11
-8
-5
-2
-17
-14
-11
-8
-5
-2
1
INPUT POWER (dBm)
INPUT POWER (dBm)
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 5
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Absolute Maximum Ratings
cꢆꢉꢉꢁꢇtꢆꢅ Bꢂaꢃ vꢆꢉtagꢁ (vꢇꢇ)
rf iꢄꢈut pꢆwꢁꢅ (rfin)
Juꢄꢇtꢂꢆꢄ Tꢁꢋꢈꢁꢅatuꢅꢁ
+5.5 vdꢇ
8
elecTrosTATic sensiTive Device
oBserve HAnDlinG precAUTions
+15 dBꢋ
150 °c
0.66 W
cꢆꢄtꢂꢄuꢆuꢃ pdꢂꢃꢃ (T = 85 °c)
(dꢁꢅatꢁ 10.22 ꢋW/°c abꢆꢀꢁ 85 °c)
Thꢁꢅꢋaꢉ rꢁꢃꢂꢃtaꢄꢇꢁ
(juꢄꢇtꢂꢆꢄ tꢆ ꢉꢁad)
97.83 °c/W
stꢆꢅagꢁ Tꢁꢋꢈꢁꢅatuꢅꢁ
oꢈꢁꢅatꢂꢄg Tꢁꢋꢈꢁꢅatuꢅꢁ
esD sꢁꢄꢃꢂtꢂꢀꢂty (HmB)
-65 tꢆ +150 °c
-40 tꢆ +85 °c
cꢉaꢃꢃ 1c
Outline Drawing
noTes:
1. pAckAGe BoDY mATeriAl:
molDinG compoUnD mp-180s or eQUivAlenT.
2. leAD mATeriAl: cu w/ Ag spoT plATinG.
3. leAD plATinG: 100% mATTe Tin.
4. Dimensions Are in incHes [millimeTers]
5. Dimension Does noT inclUDe molDflAsH of 0.15ꢋꢋ per siDe.
6. Dimension Does noT inclUDe molDflAsH of 0.25ꢋꢋ per siDe.
7. All GroUnD leADs mUsT Be solDereD To pcB rf GroUnD.
Package Information
paꢅt nuꢋbꢁꢅ
paꢇꢊagꢁ Bꢆdy matꢁꢅꢂaꢉ
lꢁad fꢂꢄꢂꢃh
msl ratꢂꢄg
msl1 [2]
paꢇꢊagꢁ maꢅꢊꢂꢄg [1]
H741
XXXX
Hmc741sT89e
rꢆHs-ꢇꢆꢋꢈꢉꢂaꢄt lꢆw stꢅꢁꢃꢃ iꢄjꢁꢇtꢂꢆꢄ mꢆꢉdꢁd pꢉaꢃtꢂꢇ
100% ꢋattꢁ sꢄ
[1] 4-Dꢂgꢂt ꢉꢆt ꢄuꢋbꢁꢅ XXXX
[2] max ꢈꢁaꢊ ꢅꢁflꢆw tꢁꢋꢈꢁꢅatuꢅꢁ ꢆꢌ 260 °c
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 6
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Pin Descriptions
pꢂꢄ nuꢋbꢁꢅ
fuꢄꢇtꢂꢆꢄ
Dꢁꢃꢇꢅꢂꢈtꢂꢆꢄ
iꢄtꢁꢅꢌaꢇꢁ sꢇhꢁꢋatꢂꢇ
8
Thꢂꢃ ꢈꢂꢄ ꢂꢃ Dc ꢇꢆuꢈꢉꢁd.
Aꢄ ꢆꢌꢌ ꢇhꢂꢈ Dc bꢉꢆꢇꢊꢂꢄg ꢇaꢈaꢇꢂtꢆꢅ ꢂꢃ ꢅꢁquꢂꢅꢁd.
1
in
3
oUT
GnD
rf ꢆutꢈut aꢄd Dc Bꢂaꢃ (vꢇꢇ) ꢌꢆꢅ thꢁ ꢆutꢈut ꢃtagꢁ.
Thꢁꢃꢁ ꢈꢂꢄꢃ aꢄd ꢈaꢇꢊagꢁ bꢆttꢆꢋ
ꢋuꢃt bꢁ ꢇꢆꢄꢄꢁꢇtꢁd tꢆ rf/Dc gꢅꢆuꢄd.
2, 4
Application Circuit
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
responsibilityisassumedby AnalogDevicesforits use, norforanyinfringementsofpatentsor other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication orotherwiseunderany patent orpatent rights of AnalogDevices.
Phone: 781-329-4700 • Order online at www.analog.com
8 - 7
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
HMC741ST89E
ꢀ02.0710
InGaP HBT ACTIVE BIAS
MMIC AMPLIFIER, 0.05 – 3 GHz
Evaluation PCB
8
List of Materials for Evaluation PCB 124390 [1]
Thꢁ ꢇꢂꢅꢇuꢂt bꢆaꢅd uꢃꢁd ꢂꢄ thꢁ fiꢄaꢉ aꢈꢈꢉꢂꢇatꢂꢆꢄ
ꢃhꢆuꢉd uꢃꢁ rf ꢇꢂꢅꢇuꢂt dꢁꢃꢂgꢄ tꢁꢇhꢄꢂquꢁꢃ. sꢂgꢄaꢉ
ꢉꢂꢄꢁꢃ ꢃhꢆuꢉd haꢀꢁ 50 ohꢋ ꢂꢋꢈꢁdaꢄꢇꢁ whꢂꢉꢁ thꢁ
ꢈaꢇꢊagꢁ gꢅꢆuꢄd ꢉꢁadꢃ aꢄd ꢈaꢇꢊagꢁ bꢆttꢆꢋ ꢃhꢆuꢉd
bꢁ ꢇꢆꢄꢄꢁꢇtꢁd dꢂꢅꢁꢇtꢉy tꢆ thꢁ gꢅꢆuꢄd ꢈꢉaꢄꢁ ꢃꢂꢋꢂꢉaꢅ tꢆ
that ꢃhꢆwꢄ. A ꢃuꢌꢌꢂꢇꢂꢁꢄt ꢄuꢋbꢁꢅ ꢆꢌ ꢀꢂa hꢆꢉꢁꢃ ꢃhꢆuꢉd
bꢁ uꢃꢁd tꢆ ꢇꢆꢄꢄꢁꢇt thꢁ tꢆꢈ aꢄd bꢆttꢆꢋ gꢅꢆuꢄd
ꢈꢉaꢄꢁꢃ. Thꢁ ꢁꢀaꢉuatꢂꢆꢄ bꢆaꢅd ꢃhꢆuꢉd bꢁ ꢋꢆuꢄtꢁd
tꢆ aꢄ aꢈꢈꢅꢆꢈꢅꢂatꢁ hꢁat ꢃꢂꢄꢊ. Thꢁ ꢁꢀaꢉuatꢂꢆꢄ ꢇꢂꢅꢇuꢂt
bꢆaꢅd ꢃhꢆwꢄ ꢂꢃ aꢀaꢂꢉabꢉꢁ ꢌꢅꢆꢋ Hꢂttꢂtꢁ uꢈꢆꢄ ꢅꢁquꢁꢃt.
itꢁꢋ
J1, J2
J3, J4
c1, c2
c3
Dꢁꢃꢇꢅꢂꢈtꢂꢆꢄ
pcB mꢆuꢄt smA cꢆꢄꢄꢁꢇtꢆꢅ
Dc pꢂꢄ
470 ꢈf caꢈaꢇꢂtꢆꢅ, 0402 pꢊg.
100 ꢈf caꢈaꢇꢂtꢆꢅ, 0402 pꢊg.
1000 ꢈf caꢈaꢇꢂtꢆꢅ, 0603 pꢊg.
2.2 µf caꢈaꢇꢂtꢆꢅ Taꢄtaꢉuꢋ
820 ꢄH iꢄduꢇtꢆꢅ, 0603 pꢊg.
Hmc741sT89e
c4
c5
l1
U1
[2]
pcB
119392 eꢀaꢉuatꢂꢆꢄ pcB
[1] rꢁꢌꢁꢅꢁꢄꢇꢁ thꢂꢃ ꢄuꢋbꢁꢅ whꢁꢄ ꢆꢅdꢁꢅꢂꢄg ꢇꢆꢋꢈꢉꢁtꢁ ꢁꢀaꢉuatꢂꢆꢄ pcB
[2] cꢂꢅꢇuꢂt Bꢆaꢅd matꢁꢅꢂaꢉ: fr4
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