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RF2052 Scheda tecnica(PDF) 23 Page - RF Micro Devices

Il numero della parte RF2052
Spiegazioni elettronici  HIGH PERFORMANCE WIDEBAND RF PLL/VCO WITH INTEGRATED RF MIXER
PDF  37 Pages
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Produttore elettronici  RFMD [RF Micro Devices]
Homepage  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF2052 Scheda tecnica(HTML) 23 Page - RF Micro Devices

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RF2052
DS140110
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
CFG3 (O2h) - PLL Calibration
CFG4 (O3h) - Crystal Oscillator and Reference Divider
#
Bit Name
Default
Function
15
TKV1
0
0
Settling time for first measurement in LO KV compensation
14
0
13
0
12
0
11
TKV2
0
4
Settling time for second measurement in LO KV compensation
10
1
90
80
70
0
60
50
40
3
FLL_FACT
0
4
Default setting 01. Needs to be set to 00 for N<28. This case can arise when higher phase
detector frequencies are used.
21
1CT_CPOL
0
0
REFSTBY
0
Reference oscillator standby mode 0=XO is off in standby mode, 1=XO is on in standby mode
#
Bit Name
Default
Function
15
CLK_DIV
0
1
Reference divider, divide by 2 (010) to 7 (111) when reference divider is enabled
14
0
13
0
12
CLK_DIV_BYPASS 1
Reference divider enabled=0, divider bypass (divide by 1)=1
11
XO_CT
1
8
Crystal oscillator coarse tune (approximately 0.5pF steps from 8pF to 16pF)
10
0
90
80
7
XO_I2
0
0
Crystal oscillator current setting
6
XO_I1
0
5
XO_CR_S
0
Crystal oscillator additional fixed capacitance (approximately 0.25pF)
4
TCT
0
Duration of coarse tune acquisition
31
F
21
11
01



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