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參數(shù)資料
| 型號(hào)： | MC2800 |
| 廠商： | Motorola, Inc. |
| 英文描述： | FSK FM IF Receiver(FSK FM IF 接收器) |
| 中文描述： | FSK信號(hào)調(diào)頻（FSK信號(hào)調(diào)頻中頻接收器中頻接收機(jī)） |
| 文件頁數(shù)： | 10/28頁 |
| 文件大?。?/td> | 473K |
| 代理商： | MC2800 |
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MC2800
10
MOTOROLA RF/IF DEVICE DATA
PIN FUNCTION DESCRIPTION
(continued)
Pin
Description
Schematic (Excluding ESD)
Symbol
27
Vreg 1.0 V
VCC
Vreg
27
1.0
μ
F
R1
R2
Band Gap
Regulator
1.0 V regulator output. Minimum 1.0
μ
F
capacitor required for decoupling. It can supply
up to 3.0 mA for external use.
28
BD Out
VDD
100 k
BD Out
28
VCC
0.9 V Ref
Low Battery Detector Output (open collector
requires external pull–up resistor typically at
100 k
.).
It toggles with VCC at 1.1 V typical.
29
30
D1
D2
VDD
100 k
D1 or D2
29 or 30
VCC
Digital output of data slicers D1 and D2 (A/D
converter). It is an open collector and requires
an external pull–up resistor typically at 100 k
.
31
VPk P
VCC
VPk P
31
10 nF
Peak Detector Output voltage of peak. It can
be monitored with a high impedance (FET)
probe.
32
VPk N
VCC
VPk N
32
10 nF
Peak Detector Output voltage of valley. It can
be monitored with a high impedance (FET)
probe.
NOTE:
Care in PCB layout should be taken to avoid compromising of sensitivity performance.
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