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PDF SKY67002-396LF Data sheet ( Hoja de datos )
| Número de pieza | SKY67002-396LF | |
| Descripción | Active Bias Low-Noise Amplifier | |
| Fabricantes | Skyworks Solutions | |
| Logotipo |  |
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DATA SHEET
SKY67002-396LF: 1.6-2.1 GHz High Linearity, Active Bias
Low-Noise Amplifier
Applications
• GSM, CDMA, WCDMA, TD-SCDMA cellular infrastructure
• Ultra low-noise systems
• Balanced, single-ended low-noise amplifier designs
Features
• Extended operating temperature range: –40 °C to +100 °C
• Low Noise Figure: 0.65 dB @ 1.85 GHz
• Excellent IIP3 performance: +22 dBm @ 1.85 GHz
• Gain: 17.5 dB @ 1.85 GHz
• Adjustable supply current
• Integrated enable circuitry
• Temperature and process-stable active bias
• Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per
JEDEC J-STD-020)
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
N/C 1
RFIN 2
VBIAS 3
8 N/C
7 RFOUT/VDD
6 ENABLE
RF_IN
VBIAS
Active
Bias
RF_OUT/VDD
ENABLE
S2241
Figure 1. SKY67002-396LF Block Diagram
Description
The SKY67002-396LF is GaAs, pHEMT Low-Noise Amplifier (LNA)
with an active bias and high linearity performance. The advanced
GaAs pHEMT enhancement mode process provides good return
loss, low noise, and high linearity performance.
The internal active bias circuitry provides stable performance over
temperature and process variation. The device offers the ability to
externally adjust supply current and gain. Supply voltage is
applied to the RFOUT/VDD pin through an RF choke inductor.
Pin 3 (VBIAS) should be connected to RFOUT/VDD through an
external resistor to control the supply current. The RFIN and
RFOUT/VDD pins should be DC blocked to ensure proper
operation.
The SKY67002-396LF operates in the frequency range of 1.6 to
2.1 GHz. For lower and higher frequency operation, the pin-
compatible SKY67001-396LF and SKY67003-396LF, respectively,
should be used.
The LNA is manufactured in a compact, 2 x 2 mm, 8-pin Dual Flat
No-Lead (DFN) package. A functional block diagram is shown in
Figure 1. The pin configuration and package are shown in
Figure 2. Signal pin assignments and functional pin descriptions
are provided in Table 1.
N/C 4
5 N/C
S2240
Figure 2. SKY67002-396LF Pinout – 8-Pin DFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201442B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 14, 2011
1
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1 page  
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DATA SHEET • SKY67002-396LF HIGH LINEARITY, ACTIVE BIAS LNA
0
–5
–10
–15
–20
–25
–30
0
+25 °C
+85 °C
–40 °C
2 4 6 8 10 12 14 16 18
Frequency (GHz)
Figure 9. Broadband Output Return Loss vs Frequency Over
Temperature
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3 +25 °C
0.2 +85 °C
0.1 –40 °C
0
1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10
Frequency (GHz)
Figure 11. Noise Figure vs Frequency Over Temperature
0
+25 °C
–5 +85 °C
–40 °C
–10
–15
–20
–25
1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10
Frequency (GHz)
Figure 10. Narrowband Output Return Loss vs Frequency Over
Temperature
+30
+25
+20
+15
+10
+5
0
–20 –18 –16 –14 –12 –10
–8
Input Power/Tone (dBm)
+25 °C
+85 °C
–40 °C
–6 –4
Figure 12. IIP3 vs Input Power Over Temperature
@ 5 V, 1700 MHz (Tone Spacing = 1 MHz)
+30
+25 °C
+25 +85 °C
–40 °C
+20
+15
+10
+5
0
–20 –18 –16 –14 –12 –10
–8
–6
–4
Input Power/Tone (dBm)
Figure 13. IIP3 vs Input Power Over Temperature
@ 5 V, 1850 MHz (Tone Spacing = 1 MHz)
+30
+25 °C
+25 +85 °C
–40 °C
+20
+15
+10
+5
0
–20 –18 –16 –14 –12 –10
–8
–6
–4
Input Power/Tone (dBm)
Figure 14. IIP3 vs Input Power Over Temperature
@ 5 V, 2000 MHz (Tone Spacing = 1 MHz)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201442B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 14, 2011
5
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5 Page 
www.DataSheet.co.kr
DATA SHEET • SKY67002-396LF HIGH LINEARITY, ACTIVE BIAS LNA
C8
R3
C7
Amplifier
Enable VDD
43
21
C10
C11
R4
C9
C5
RFC1
RF Input
C3
C2
L2
L1
C1
1
× N/C
2
RFIN
3
VBIAS
4
× N/C
8
N/C ×
7
RFOUT/VDD
L3
C4 R2
C6 RFC2
RF Output
6
ENABLE
L4
5
N/C × R1
Note: Remove R1 if Enable function is desired.
This circuit configured for “Amplifier On.”
Figure 25. SKY67002-396LF Evaluation Board Schematic
S2254
Table 5. SKY67002-396LF Evaluation Board Bill of Materials (Optimized for 1.7 to 2.0 GHz)
Component
Size
Value
Value for Improved IIP3
(5 V @ 95 mA)
(4 V @ 95 mA)
C1
0402 12 pF
12 pF
C2
0402 0.7 pF
0.7 pF
C3
0402 3.6 pF
3.6 pF
C4
0402 2.2 pF
2.2 pF
C5, C7, C8, C10, C11
0402 1000 pF
1000 pF
C6
0402 100 pF
100 pF
C9
0402 DNI
DNI
L1
0402 5.6 nH
5.6 nH
L2
0402 2.4 nH
2.4 nH
L3
0402 4.7 nH
4.7 nH
L4
0402 15 nH
15 nH
R1, R2, R4
0402 0 Ω
0Ω
R3
0402 5.1 kΩ
3.6 kΩ
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201442B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 14, 2011
11
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11 Page | ||
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