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PDF SKY85806-11 Data sheet ( Hoja de datos )
| Número de pieza | SKY85806-11 | |
| Descripción | Dual-Band 802.11a/g/n/ac Wireless LAN Front End | |
| Fabricantes | Skyworks | |
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DATA SHEET
SKY85806-11: Dual-Band 802.11a/g/n/ac Wireless LAN
Front End
Applications
WLANs:
IEEE 802.11b DSSS
IEEE 802.11a/g OFDM
IEEE 802.11ac/n
Access points
PCMCIA cards
PC cards
Features
All RF ports matched to 50 Ω
Integrated 2.4 GHz PA, 5 GHz PA, transmit filter, diplexers,
and T/R switches
Integrated logarithmic power detector for each transmit chain
+21 dBm power, 802.11b, 11 Mbps, ACPR = +35 dBc
+19 dBm @ 3.0% EVM, MCS7, HT40, 2G
+17 dBm @ 3.0% EVM, MCS7, HT40, 5G
+17 dBm @ 1.8% EVM, MCS9, HT40, 2G
+15 dBm @ 1.8% EVM, MCS9, HT80, 5G
Single supply voltage: 3.3 V ± 10%
Sleep mode: < 1 μA
Bluetooth® ready; functional when VCC = 0 V or 3.3 V
Bluetooth and 5 GHz WiFi concurrent operation
Multiple receive bypass step attenuation
Small QFN (28-pin, 4.0 x 3.0 x 0.8 mm) package
(MSL3, 260 °C per JEDEC J-STD-020)
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04–0074.
P0 P1 A0 A1/BS CBT
Bias, Switch, and Control Logic
BT
2G
TXg PA
SP3T
2G
RXg LNA
Diplex ANT
RXa 5G
LNA
SP2T
TXa 5G
PA
Detector
DET
203186F-001
Figure 1. SKY85806-11 Block Diagram
Description
The SKY85806-11 is a complete 802.11a/b/g/n/ac Wireless
Local Area Network (WLAN), RF front-end module (FEM) that
provides all the functionality of a power amplifier (PA), filtering,
power detector, transmit/receive (T/R) switch, diplexer, and
associated matching. The SKY85806-11 provides a complete
2.4 GHz and 5 GHz WLAN RF solution, from the output of the
transceiver to the antenna in an ultra-compact form factor.
Designed to meet the stringent linearity conditions of the
802.11ac standard, the SKY85806-11 delivers less than 2%
error vector magnitude (EVM) at the rated Alternating Current
(AC) power.
Designed for ease of use, all RF ports are matched to 50 Ω to
simplify the layout of the printed circuit board (PCB) and the
interface to the transceiver. The SKY85806-11 also includes a
transmitter power detector with +20 dB of dynamic range for
each transmit chain. Each power amplifier has a separate
digital enable control for transmitter on/off control. The power
ramp rise/fall time is less than 0.5 μs.
The SKY85806-11 provides Local Oscillator (LO) filters for the
2 GHz and 5 GHz transmit paths. The SKY85806-11 is packaged
in a small 4.0 x 3.0 x 0.8 mm, Quad Flat No-Lead (QFN)
package.
A block diagram of the SKY85806-11 is shown in Figure 1. The
device package and pinout are shown in Figure 2. Signal pin
assignments and functional pin descriptions are described in
Table 1.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
203186F • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 18, 2016
1
1 page  
DATA SHEET • SKY85806-11: DUAL-BAND 802.11a/g/n/ac WIRELESS LAN FRONT END
Table 6. SKY85806-11 Electrical Specifications: AC Characteristics: 2.4 GHz Receive Characteristics1
(VCC = 3.3 V, Control State 1, TA = 25 C as Measured on the Evaluation Board, All Unused Ports are Terminated with 50 Ω,
Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Minimum Typical Maximum
Frequency range
fOUT
2400 2500
Receive gain:
LNA enabled
Bypass mode
S21 Control state 1
LNA bypassed:
Control state 2
Control state 3
+11 +12 +14
–3.2 –3
–2
–10 –9 –8.5
Gain step
GSg LNA gain vs LNA bypass, control state 1 – control state 3
20 21 23
ANT → RXg isolation
Gain variation
LTXRXg
∆S21
Control state 4
Over the full range
+36
–0.5 +0.5
Noise figure
NF Control state 1
2.7 3.2
Delay and rise and fall time
tDR, tDF
50% of VEN edge and 90%/10% of final output power level
200 500
Return loss:
Input
Output
S11 At antenna port for all 2 GHz receive gain states
S22 At RXg port for all 2 GHz receive gain states
–10
–10
Input:
1 dB input compression point IP1dB
Third order input intercept
point
IIP3
Control state 1
Control state 2
Control state 3
Control state 1
Control state 2
Control state 3
–6 –4.5
+15
+15
+3 +4.5
+25
+25
Rx gain switching
tEN 50% edge of the P0/P1 signal to 90%/10% of the final output
power at the RXG port:
From state 1 to state 2 and 3
From state 2 to state 1 and 3
From state 3 to state 1 and 2
120 200
120 200
120 200
High band gain
S21_OOB
Control states 1, 2, or 3
–25
1 Performance is guaranteed only under the conditions listed in this table.
Units
MHz
dB
dB
dB
dB
dB
dB
dB
ns
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
ns
ns
ns
dB
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
203186F • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 18, 2016
5
5 Page 
DATA SHEET • SKY85806-11: DUAL-BAND 802.11a/g/n/ac WIRELESS LAN FRONT END
Evaluation Board Description
The SKY85806-11 Evaluation Board is used to test the
performance of the SKY85806-11 WLAN PA. The Evaluation Board
schematic diagram is shown in Figure 5. A photograph of the
SKY85806-11 Evaluation Board is shown in Figure 6. Table 15
provides the Bill of Materials (BOM) for Evaluation Board
components.
Evaluation Board Test Procedure
1. Connect system ground to pin 3 on connectors J7 and J8.
2. Apply 3.3 V to pin1 on connector J7; apply 3.3 V to pins 1 and
2 on connector J8.
3. Apply 0 V and 3.3 V to appropriate control pin(s) as specified in
Table 13 for a given mode of operation.
4. Select an RF path to test according to the modes shown in
Table 13.
5. Connect a multimeter or oscilloscope to pin 11 of connector J7
(labeled VDET).
6. Apply an RF signal to connector J6 (ANT) to monitor the BT
port. Measure the response from the output of connector J1
(BT).
7. Apply an RF signal to connector J6 (ANT) to monitor the RXg to
ANT performance. Measure the response from the output of
connector J4 (RXg).
8. Apply an RF signal to connector J6 (ANT) to monitor the RXa to
ANT performance. Measure the response from the output of
connector J2 (RXa).
9. Apply an RF signal to connector J5 (TXg) to monitor the ANT to
TXg performance. Monitor the output power on connector J6
(ANT). Take care not to overdrive the amplifier by applying too
much RF on the input to the device (–20 dBm provides a
suitable starting input power).
10. Apply an RF signal to connector J3 (TXa) to monitor the ANT to
TXa performance. Monitor the output power on connector J6
(ANT).
CAUTION: Take care not to overdrive the amplifier by applying
too much RF on the input to the device. A suitable
starting input power is –20 dBm.
Circuit Design Considerations
The following design considerations are general in nature and
must be followed regardless of final use or configuration:
Paths to ground should be made as short as possible.
RF paths should be on the outer layer.
There is no DC present on the RF ports but they must be DC
blocked per the recommended values in the schematic if there
is DC present on the lines connecting to them.
Capacitors C1, C2, C3 (all 100 pF) should be on the primary side
of the Evaluation Board at a minimum manufacturable distance
from the FEM.
Board Losses
Losses for the SKY85806-11 Evaluation Board are as follows:
2 GHz TX: 0.22 dB
2 GHz RX: 0.16 dB
5 GHz TX: 0.28 dB
5 GHz RX: 0.31 dB
BT: 0.15 dB
ANT 2 GHz: 0.12 dB
ANT 5 GHz: 0.23 dB
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
203186F • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 18, 2016
11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet SKY85806-11.PDF ] | |
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