SI4134T-GM Silicon Laboratories Inc, SI4134T-GM Datasheet - Page 30

• Manufacturer Part Number: SI4134T-GM
• Description: IC RF SYNTH DUAL W/DCXO 32MLP
• Manufacturer: Silicon Laboratories Inc
• Series: Aero™+r
• Type: Frequency Synthesizerr

Specifications of SI4134T-GM

• Pll: Yes
• Input: Clock
• Output: Clock
• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: No/Yes
• Frequency - Max: 1.99GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.7 V ~ 3 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 1.99GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Aero+
Register 05h. Receive Gain (Si4200/Si4201)
30
Name
Bit
17:14
13:8
6:4
3:2
1:0
Bit
7
D17 D16 D15 D14 D13 D12 D11 D10
0
0
DGAIN[5:0]
AGAIN[2:0]
LNAG[1:0]
LNAC[1:0]
Reserved
Reserved
0
Name
0
Program to zero.
Digital PGA Gain Control.
00h = 0 dB (default).
01h = 1 dB.
...
3Fh = 63 dB.
Note: See “AN51: Aero Transceiver AGC Strategy” for details on setting the gain
Program to zero.
Analog PGA Gain Control.
000 = 0 dB (default).
001 = 4 dB.
010 = 8 dB.
011 = 12 dB.
100 = 16 dB.
101 = Reserved.
110 = Reserved.
111 = Reserved.
Note: See “AN51: Aero Transceiver AGC Strategy” for details on setting the gain
LNA Bias Current Control.
00 = Minimum current (default).
01 = Maximum current.
10 = Reserved.
11 = Reserved.
Note: Program these bits to the same value as same as LNAG[1:0]
LNA Gain Control.
00 = Minimum gain (default).
01 = Maximum gain.
10 = Reserved.
11 = Reserved.
Notes:
1. Program these bits to the same value as same as LNAC[1:0]
2. See “AN51: Aero Transceiver AGC Strategy” for details on setting the gain
DGAIN[5:0]
registers.
registers.
registers.
Rev. 1.2
D9
D8
D7
0
Function
D6
AGAIN[2:0]
D5
D4
D3
LNAC[1:0]
D2
D1
LNAG[1:0]
D0