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PDF SKY77761-12 Data sheet ( Hoja de datos )
| Número de pieza | SKY77761-12 | |
| Descripción | Power Amplifier Module | |
| Fabricantes | Skyworks Solutions | |
| Logotipo |  |
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DATA SHEET
SKY77761-12 Power Amplifier Module for CDMA/ WCDMA/
HSDPA/ HSUPA/ HSPA+/ LTE – Band I (1920–1980 MHz)
Applications
• WCDMA handsets
• HSDPA
• HSUPA
• HSPA+
• LTE
• CDMA2000
• EVDO
Features
• Low voltage positive bias
supply 3.0 V to 4.5 V
• Good linearity
• High efficiency
- 46% at 28.25 dBm
• Large dynamic range
• Small, low profile package
- 3 mm x 3 mm x 0.9 mm
- 10-pad configuration
• Power down control
• InGaP
• Supports low collector
voltage operation
• Digital Enable
• No VREF required
• CMOS compatible control
signals
• Integrated Directional
Coupler
Description
The SKY77761-12 Power Amplifier Module (PAM) is a fully matched 10-pad surface mount module
developed for Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient
module packs full 1920-1980 MHz bandwidth coverage into a single compact package. Because of
high efficiencies attained throughout the entire power range, the SKY77761-12 delivers unsurpassed
talk-time advantages. The SKY77761-12 meets the stringent spectral linearity requirements of High
Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), and Long Term
Evolution (LTE) data transmission with high power added efficiency. An integrated directional coupler
eliminates the need for any external coupler.
The Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all amplifier
active circuitry, including input and interstage matching circuits. The silicon CMOS support die,
providing precision biasing for the MMIC affords a true CMOS-compatible control interface. Output
match into a 50-ohm load, realized off-chip within the module package, optimizes efficiency and
power performance.
The SKY77761-12 is manufactured with Skyworks’ InGaP GaAs Heterojunction Bipolar Transistor
(HBT) process which provides for all positive voltage DC supply operation and maintains high
efficiency and good linearity. While primary bias to the SKY77761-12 can be supplied directly from
any suitable battery with an output of 3.2 V to 4.2 V, optimal performance is obtained with VCC2
sourced from a DC-DC power supply adjusted within 0.5 V to 3.6 V based on target output power
levels. Power down executes by setting VENABLE to zero volts. No external supply side switch is
needed as typical “off” leakage is a few microamperes with full primary voltage supplied from the
battery.
Figure 1. SKY77761-12 Functional Block Diagram
www.BDTIC.com/Skyworks
1 page  
Parameter
DPCCH
DPDCH
Level
15 kbps
60 kbps
Table 5. Standard Test Configuration – STC1 WCDMA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 8/15 — — —
16
64
I
— 15/15 —
—
βed Relative Power (dB)
— –6.547
— –1.087
Parameter
DPCCH
DPDCH
HS-DPCCH
Level
15 kbps
60 kbps
15 kbps
Table 6. Standard Test Configuration – STC2 HSDPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0
256
Q
12/15
—
—
—
16
64
I
— 15/15 —
—
64 256 Q — — 24/15 —
βed Relative Power (dB)
— –7.095
— –5.157
— –3.012
Parameter
DPCCH
DPDCH
HS- DPCCH
E-DPCCH
E-DPDCH
Level
15 kbps
960 kbps
15 kbps
15 kbps
960 kbps
Table 7. Standard Test Configuration – STC3 HSUPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 8/15 — — —
1
4
I
— 15/15 —
—
64 256 Q — — 8/15 —
1 256 I — — — 10/15
2 4 I ————
βed Relative Power (dB)
— –19.391
— –13.931
— –19.391
— –17.338
71.5/15
–0.371
Parameter
DPCCH
DPDCH
HS- DPCCH
E-DPCCH
E-DPDCH
Level
15 kbps
960 kbps
15 kbps
15 kbps
960 kbps
Table 8. Standard Test Configuration – STC4 HSUPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 6/15 — — —
1
4
I
— 15/15 —
—
64 256 Q — — 2/15 —
1 256 I — — — 12/15
2 4 I ————
βed
—
—
—
—
15/15
Relative Power (dB)
–12.499
–4.540
–22.041
–6.478
–4.425
www.BDTIC.com/Skyworks
5 Page 
Figure 10. Dimensional Diagram for Carrier Tape Body Size 3 mm x 3 mm x 0.75 / 0.90 mm – MCM
www.BDTIC.com/Skyworks
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SKY77761-12.PDF ] | |
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