參數(shù)資料
型號(hào): MC145151DW2
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 3/24頁(yè)
文件大?。?/td> 0K
描述: IC PAR-IN PLL FREQ SYNTH 28-SOIC
標(biāo)準(zhǔn)包裝: 26
類型: PLL 時(shí)鐘/頻率合成器
PLL:
輸入: 時(shí)鐘
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 25MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3 V ~ 9 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 管件
MC145152-2 Parallel-Input (Interfaces with Dual-Modulus Prescalers)
MC145151-2 and MC145152-2 Technical Data, Rev. 5
Freescale Semiconductor
11
Figure 8. 666-Channel Computer-Controlled, Mobile Radiotelephone Synthesizer
for 800 MHz Cellular Radio Systems
NOTES:
1. Receiver 1st I.F. = 45 MHz, low side injection; Receiver 2nd I.F. = 11.7 MHz, low side injection.
2. Duplex operation with 45 MHz receiver/transmit separation.
3. fR = 7.5 kHz; ÷ R = 2048.
4. Ntotal = N 64 + A = 27501 to 28166; N = 429 to 440; A = 0 to 63.
5. High frequency prescalers may be used for higher frequency VCO and fref
implementations.
6. The
φ
R and φV outputs are fed to an external combiner/loop filter. See the Phase-Locked Loop - Low-Pass Filter Design page for
additional information. The
φ
R and φV outputs swing rail-to-rail. Therefore, the user should be careful not to exceed the common mode
input range of the op amp used in the combiner/loop filter.
LOCK DETECT SIGNAL
R1
+
RECEIVER FIRST L.O.
825.030
→ 844.980 MHz
(30 kHz STEPS)
÷ 64/65 PRESCALER
NOTE 5
MC145152-2
MC
LD
A0
A5
N9
OSCin
VDD
VSS
OSCout
RA2
RA1
φ
R
φ
V
fin
-
VCO
RA0
N0
+ V
R1
R2
C
R2
C
“1"
CHANNEL PROGRAMMING
REF. OSC.
15.360 MHz
(ON-CHIP OSC.
OPTIONAL)
X2
X4
NOTE 5
X4
NOTE 5
TRANSMITTER
MODULATION
TRANSMITTER SIGNAL
825.030
→ 844.980 MHz
(30 kHz STEPS)
RECEIVER 2ND L.O.
30.720 MHz
NOTE 6
NO CONNECTS
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