RF42/43
Register 5Ch. Synthesizer Test
Bit
D7
dsmdt
R/w
D6
vcotype
R
D5
enoloop
R/w
D4
dsmod
R/w
D3
D2
D1
dsrstmode
R/w
D0
dsrst
R/w
dsorder[1:0]
Name
Type
R/w
Reset value = 0x001110
Bit
Name
Function
Enable DSM Dithering.
If low, dithering is disabled.
VCO Type.
7
dsmdt
vcotype
enoloop
dsmod
6
5
4
0: basic, constant K
1: single varactor, changing K
Open Loop Mode Enable.
Delta-Sigma Modulus.
0: 64 000
1: 65 536
Delta-Sigma Order.
00: 0 order
st
dsorder[1:0]
3:2
01: 1 order
nd
10: 2
order
11: Mash 111
dsrstmode
dsrst
1
0
Delta-Sigma Reset Mode.
Delta-Sigma Reset.
91
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