fRF = 900MHz, fREF " />
參數(shù)資料
型號: LTC6946IUFD-3#TRPBF
廠商: Linear Technology
文件頁數(shù): 30/30頁
文件大小: 0K
描述: IC INTEGER-N PLL W/VCO 28QFN
軟件下載: PLLWizard™
PLLWizard™, with .NET 2.0 installer
標(biāo)準(zhǔn)包裝: 2,500
類型: 時鐘/頻率合成器(RF/IF),分?jǐn)?shù)-N,整數(shù)-N,
PLL:
輸入: 時鐘
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 5.79GHz
除法器/乘法器: 是/是
電源電壓: 3.15 V ~ 5.25 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-QFN(4x5)
包裝: 帶卷 (TR)
LTC6946
9
6946fa
LTC6946-3 Spurious Response
fRF = 900MHz, fREF = 10MHz,
fPFD = 1MHz, Loop BW = 40kHz
LTC6946-3 Spurious Response
fRF = 2200MHz, fREF = 10MHz,
fPFD = 0.4MHz, Loop BW = 28kHz
LTC6946-3 Spurious Response
fRF = 5700MHz, fREF = 100MHz,
fPFD = 1MHz, Loop BW = 33kHz
TYPICAL PERFORMANCE CHARACTERISTICS
TC = 25°C, VREF+ = VREFO+ = VD+ = VRF+ = 3.3V, VCP+ = VVCO+ = 5V, RFO[1:0] = 3,unless otherwise noted.
FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)
–10
–105dBc
–103dBc
–111dBc
–109dBc
–3
–140
P
OUT
(dBm)
–120
–100
–80
123
0
6946 G28
–2
–1
0
10
–60
–40
–20
RBW = 1Hz
VBW = 1Hz
NOTES 8, 13
FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)
–10
–93dBc
–94dBc
–86dBc
–88dBc
–1.2
–140
P
OUT
(dBm)
–120
–100
–80
0.4 0.8 1.2
0
6946 G29
–0.8 –0.4
0
10
–60
–40
–20
RBW = 1Hz
VBW = 1Hz
NOTES 8, 13
FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)
–100
–101dBc
–113dBc
–96dBc
–92dBc
–3
–140
P
OUT
(dBm)
–120
–100
–80
123
0
6946 G30
–2
–1
0
100
–60
–40
–20
RBW = 1Hz
VBW = 1Hz
NOTE 13
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