Step 1: Calculate f
參數(shù)資料
型號: XR2211ACP-F
廠商: Exar Corporation
文件頁數(shù): 5/24頁
文件大?。?/td> 0K
描述: IC FSK DEMOD/TONE DECOD 14PDIP
標準包裝: 25
功能: FSK 解調(diào)器,音頻解碼器
電源電壓: 4.5 V ~ 20 V
電流 - 電源: 5mA
功率(瓦特): 900mW
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 14-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 14-PDIP
包裝: 管件
包括: 載波檢測
其它名稱: 1016-1309-5
XR-2211A
13
Rev. 1.04
Design Example:
1200 Baud FSK demodulator with mark and space frequencies of 1200/2200.
Step 1: Calculate fO: from design instructions
(
a) f
O +
12002200
=1624
Step 2: Calculate R0 : R0 =10K with a potentiometer of 10K. (See design instructions (b))
(
b) R
T
+ 10 ) 10
2
+ 15K
Step 3: Calculate C0 from design instructions
(
c) C
O +
1
150001624
+ 39nF
Step 4: Calculate R1 : from design instructions
(
d) R
1
+ 2000016242
(2200–1200)
+ 51, 000
Step 5: Calculate C1 : from design instructions
(
e) C
1
+ 125039nF
510000.52
+ 3.9nF
Step 6: Calculate RF : RF should be at least five times R1, RF = 51,0005 = 255 KW
Step 7: Calculate RB : RB should be at least five times RF, RB = 255,0005 = 1.2 MW
Step 8: Calculate RSUM :
R
SUM +
(R
F
) R
1)RB
(R
F
) R
1
) R
B)
+ 240KW
Step 9: Calculate CF :
C
F
+
0.25
R
SUMBaud Rate
+ 1nF
Note: All values except R0 can be rounded to nearest standard value.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR2211ACP-F 制造商:Exar Corporation 功能描述:IC DEMODULATOR/DECODER FSK 2211
XR2211ACP-F 制造商:Exar Corporation 功能描述:FSK Demodulator/ Tone Decoder IC
XR-2211CN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ASK/FSK Demodulator
XR2211CP 制造商:EXAR 制造商全稱:EXAR 功能描述:
XR-2211CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ASK/FSK Demodulator