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參數(shù)資料
| 型號(hào)： | MC3374FTB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 接收器 |
| 英文描述： | LOW VOLTAGE SINGLE CONVERSION FM RECEIVER |
| 中文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 237K |
| 代理商： | MC3374FTB |
MC3374
7
MOTOROLA ANALOG IC DEVICE DATA
Data Buffer Design
Audio Buffer Design
The data buffer is designed as follows:
fo = 200 Hz
C1 = C2 = 0.01
μ
F
Q = 0.707 (target)
K = 2.7 (data buffer open loop voltage gain)
Setting C1 = C2 yields:
fo
1
2 C1 R1R2
Q
1
R2
R1
(2–K)
R1
R2
Iteration yields R2 = 4.2 (R1) to make Q = 0.707.
Substitution into the equation for fo yields:
R1 = 38 k
(use 39 k
)
R2 = 4.2(R1) = 180 k
C1 = C2 = 0.01
μ
F
The audio buffer is designed as follows:
fo = 3000 Hz
R1 = R2 = 8.2 k
Q = 0.707 (target)
K = 3.9 (audio buffer open loop voltage gain)
Setting C1 = C2 yields:
fo
1
2 R1 C1C2
Q
1
C2
C1
(1–K)
C1
C2
Iteration yields C2 = 2.65 (C1) to make Q = 0.707.
Substitution into the equation for fo yields:
C1 = 3900 pF
C2 = 2.65(C1) = 0.01
μ
F
R1 = R2 = 8.2 k
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
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