參數(shù)資料
型號(hào)： TRF2056PWR
廠商： TEXAS INSTRUMENTS INC
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20
封裝： PLASTIC, SOP-20
文件頁(yè)數(shù)： 12/24頁(yè)
文件大?。?/td> 327K
代理商： TRF2056PWR
TRF2056
LOW VOLTAGE 1.2GHz FRACTIONALN/INTEGERN SYNTHESIZER
SLWS111– NOVEMBER 2000
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
Serial Control Shift Registers
Common Registers
EPM Registers SA7025 Registers
Conversion and Selection
CLOCK
STROBE
Fractional
Accumulator
FMOD
5
NF
4
Fractional
Compensation
Control Lines
Compensation
Charge Pump
Phase
Detector
Proportional
Charge Pump
Reference
Divider
Integral
Charge Pump
4
CK
18
N
12
NR
Phase
Detector
Auxiliary
Charge Pump
Auxiliary
Divider
4/1
12
NA
PA
REFIN
AUXIN
RF
RN
PHI
LOCK/
TEST
RA
PHA
Main Divider
(N/N+1)
RFIN
32/33
Prescaler
CL
2
CN
8
PHP
CL
2
CN
8