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參數(shù)資料
| 型號： | XR2211ACP-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC FSK DEMOD/TONE DECOD 14PDIP |
| 標(biāo)準(zhǔn)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
18
Rev. 1.04
Linear FM Detection
XR-2211A can be used as a linear FM detector for a wide
range
of
analog
communications
and
telemetry
applications. The recommended circuit connection for
this application is shown in
Figure 13. The demodulated
output is taken from the loop phase detector output (pin
11), through a post-detection filter made up of RF and CF,
and an external buffer amplifier. This buffer amplifier is
necessary because of the high impedance output at pin
11. Normally, a non-inverting unity gain op amp can be
used as a buffer amplifier, as shown in
Figure 13.
The FM detector gain, i.e., the output voltage change per
unit of FM deviation can be given as:
V
OUT +
R
1VREF
100
R
0
where VR is the internal reference voltage (VREF = VCC /2
- 650mV). For the choice of external components R1, R0,
CD, C1 and CF, see the section on design equations.
Capacitor
6
Input
5
7
Resistor
V+
Figure 14. Equivalent Schematic Diagram
20K
Internal Voltage
Reference
Input Preamplifier
and Limiter
10K
Quadrature
Phase Detector
Lock
Detect
Filter
Lock Detect
Outputs
Lock Detect
Comparator
FSK
Data
Output
FSK
Comparator
Input
Loop
Detector
Output
A
From
VCO
2K
A’
Loop Phase Detector
8K
12
R0
Timing
13
B
B’
C0 14
Voltage Controlled
Oscillator
REF
Voltage
Output
10
2
B
From
VCO
B’
3
2K
A
1
4
Ground
FSK Comparator
8
11
A’
Timing
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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 |
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