sky74092-11 Skyworks Solutions, Inc., sky74092-11 Datasheet - Page 6

• Manufacturer Part Number: sky74092-11
• Description: Sky74092-11 Dual-band Lna For Cdma, Femtocell, And Pcs Mobile Handset Applications
• Manufacturer: Skyworks Solutions, Inc.

DATA SHEET • SKY74092-11 LNA
Table 6. Mode Selection Register
Table 7. Gain Control Register
Table 8. Current Selection Register
6
Bit Range
Bit Range
Bit Range
[26:9]
[26:7]
[2:0]
[4:3]
[7:5]
[3:0]
[5:4]
[8:6]
[3:1]
[6:4]
[8]
[0]
Bits [2:0]: Not configurable – must be set to 1 1 1
Bits [4:3]: LNA mode control
0 0 = Cellular mode
0 1 = Not used
1 0 = Not used
1 1 = PCS mode
Bits [7:5]: Not configurable – must be set to 1 0 0
Bit [8]: LNA enable
0 = LNA off
1 = LNA on
Bits [26:9]: Not configurable – must be set to 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 0
Bits [3:0]: Not configurable – must be set to 0 0 0 0
Bits [5:4]: LNA gain control:
0 0 = High gain
0 1 = Mid-gain
1 0 = Bypass
1 1 = High attenuation
Bits [8:6]: Not configurable – must be set to 0 0 1
Bit [0]: Not configurable – must be set to 1
Bits [3:1]: CDMA LNA current selection (high gain setting only)
0 0 0 = 5.862 mA
0 0 1 = 7.159 mA
0 1 0 = 8.427 mA
0 1 1 = 9.735 mA
Note that the current can also be adjusted with the external bias resistor.
Bits [6:4]: PCS LNA current selection (high gain setting only)
0 0 0 = 5.590 mA
0 0 1 = 6.990 mA
0 1 0 = 8.360 mA
0 1 1 = 9.736 mA
Note that the current can also be adjusted with the external bias resistor.
Bits [26:7]: Not configurable – must be set to 0 1 0 0 0 1 0 1 1 0 0 0 0 0 1 0 1 0 0 1
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
July 23, 2010 • Skyworks Proprietary Information • Products and Product Information Are Subject To Change Without Notice • 103205E
1 0 0 = 10.944 mA
1 0 1 = 12.246 mA
1 1 0 = 13.503 mA
1 1 1 = 14.795 mA
1 0 0 = 11.030 mA
1 0 1 = 12.146 mA
1 1 0 = 12.749 mA
1 1 1 = 13.098 mA
Description
Description
Description