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參數(shù)資料
| 型號(hào)： | MC145155-2 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Parallel-Input PLL Frequency Synthesizer |
| 中文描述： | 并行輸入鎖相環(huán)頻率合成器 |
| 文件頁數(shù)： | 8/36頁 |
| 文件大?。?/td> | 718K |
| 代理商： | MC145155-2 |
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MC145151–2 through MC145158–2
8
MOTOROLA
Figure 2. 666–Channel, Computer–Controlled, Mobile Radiotelephone Synthesizer
for 800 MHz Cellular Radio Systems
LOCK DETECT SIGNAL
R1
+
RECEIVER FIRST L.O.
825.030
→
844.980 MHz
(30 kHz STEPS)
MC12017
÷
64/65 PRESCALER
NOTE 6
MC145152–2
NOTE 5
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”
“1”
“1”
NO CONNECTS
CHANNEL PROGRAMMING
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. MC145158–2 may be used where serial data entry is desired.
6. High frequency prescalers (e.g., MC12018 [520 MHz] and MC12022 [1 GHz]) may be used for higher frequency VCO and fref
implementations.
7. The
φ
R and
φ
V 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
φ
V 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.
REF. OSC.
15.360 MHz
(ON–CHIP OSC.
OPTIONAL)
X2
X4
NOTE 6
X4
NOTE 6
TRANSMITTER
MODULATION
TRANSMITTER SIGNAL
825.030
→
844.980 MHz
(30 kHz STEPS)
RECEIVER 2ND L.O.
30.720 MHz
NOTE 7
MC145152–2 Data Sheet Continued on Page 23
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC145156 | Parallel-Input PLL Frequency Synthesizer |
| MC145155DW2 | Parallel-Input PLL Frequency Synthesizer |
| MC145156P2 | Parallel-Input PLL Frequency Synthesizer |
| MC145151FN2 | Parallel-Input PLL Frequency Synthesizer |
| MC145152DW2 | Parallel-Input PLL Frequency Synthesizer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC145155P | 制造商:Motorola Inc 功能描述: |
| MC145158-2 | 制造商:Motorola Inc 功能描述: |
| MC145158DW2 | 功能描述:IC SER-IN PLL FREQ SYNTH 16-SOIC RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| MC145158DW2R2 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| MC145159FN1R2 | 制造商:Motorola Inc 功能描述: |
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