SI4123 SILABS [Silicon Laboratories], SI4123 Datasheet - Page 24
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SI4123
Manufacturer Part Number
SI4123
Description
DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI4123.pdf
(36 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI4123-BT
Manufacturer:
SILICONL
Quantity:
20 000
Company:
Part Number:
SI4123-D-GM
Manufacturer:
Silicon Labs
Quantity:
135
Si4133
Register 2. Powerdown Address Field (A[3:0]) = 0010
Register 3. RF1 N-Divider Address Field (A[3:0]) = 0011
Register 4. RF2 N-Divider Address Field = A[3:0] = 0100
24
Note: Enabling any PLL with PDIB or PDRB automatically powers on the reference amplifier.
Name
Name
Name
Bit
Bit
16:0
Bit
17:0
Bit
17
Bit
17:2
Bit
1
0
D17 D16 D15 D14 D13 D12 D11 D10
D17 D16 D15 D14 D13 D12 D11 D10
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
N
Reserved
N
RF2
Name
RF1
Name
0
[16:0]
[17:0]
Reserved
0
Name
PDRB
PDIB
0
Program to zero.
N-Divider for RF2 Synthesizer.
N-Divider for RF1 Synthesizer.
0
0
Program to zero.
Powerdown IF Synthesizer.
0 = IF synthesizer powered down.
1 = IF synthesizer on.
Powerdown RF Synthesizer.
0 = RF synthesizer powered down.
1 = RF synthesizer on.
0
0
Rev. 1.61
0
N
D9
D9
RF1
N
D8
RF2
[17:0]
0
D8
D8
[16:0]
D7
Function
Function
0
D7
D7
D6
Function
0
D6
D6
D5
0
D5
D5
D4
0
D4
D4
D3
0
D3
D3
D2
0
D2
D2
PDIB PDRB
D1
D1
D1
D0
D0
D0