rf2057 RF Micro Devices, rf2057 Datasheet - Page 24

• Manufacturer Part Number: rf2057
• Description: High Performance Wideband Rf Pll/vco With Integrated Rf Mixers For Repeaters
• Manufacturer: RF Micro Devices

RF2057
CFG3 (O2h) - PLL Calibration
CFG4 (O3h) - Crystal Oscillator and Reference Divider
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15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
#
#
TKV1
TKV2
FLL_FACT
CT_CPOL
REFSTBY
CLK_DIV
CLK_DIV_BYPASS 1
XO_CT
XO_I2
XO_I1
XO_CR_S
TCT
Bit Name
Bit Name
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
1
Default
Default
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support, contact RFMD at ([phone] or [e-mail].
0
4
0
4
1
8
0
F
Settling time for first measurement in LO KV compensation
Settling time for second measurement in LO KV compensation
Default setting 01. Needs to be set to 00 for N<28. This case can arise when higher phase
detector frequencies are used.
Reference oscillator standby mode 0=XO is off in standby mode, 1=XO is on in standby mode
Reference divider, divide by 2 (010) to 7 (111) when reference divider is enabled
Reference divider enabled=0, divider bypass (divide by 1)=1
Crystal oscillator coarse tune (approximately 0.5pF steps from 8pF to 16pF)
Crystal oscillator current setting
Crystal oscillator additional fixed capacitance (approximately 0.25pF)
Duration of coarse tune acquisition
Function
Function
DS091109