參數(shù)資料
型號(hào)： KESRX05B1S
廠商： Zarlink Semiconductor Inc.
英文描述： 260 to 470MHz ASK Receiver with Power Down
中文描述： 260至470MHz ASK接收機(jī)的斷電
文件頁(yè)數(shù)： 5/28頁(yè)
文件大?。?/td> 466K
代理商： KESRX05B1S
4
KESRX05
Pin
Name
Function
Schematic
9
10
11
12
13
14
RFOUT
V
EE
RF
RFIN
AGC
PEAK
DATAOP
Output from internal RF amplifier
The RF amplifier has a high output impedance. The
internal 300
resistor is used to improve the ESD
protection of RFOUT.
For further information refer to the AC Electrical
Characteristics.
Negative supply for RF circuits
nternal input RF amplifier
To a first order approximation the input impedance
of the RF amplifier at UHF frequencies is set by the
internal bias resistor and capacitor network. Effects
of internal and external stray parasitics ignored.
For further information please refer to the AC
Electrical Characteristics.
RF AGC time constant
The attack and decay time constant of the AGC is
set by the internal series resistor, current sink and
the external capacitor C8. Increasing the decay time
constant of the AGC circuit will impair the time to
good data of the receiver from power up PD0 to PD2.
For further information please refer to the IF Amp/
RSSI Detector section of the Functional Description.
Data signal peak detector output
The peak detector output is designed to be a low
impedance output. The peak detector monitors the
peak of the signal at pin 20 (DF2).
For further information please refer to the Baseband
section of the Functional Description.
Sliced data output
The data output is the inverted sense of the input
signal at pin 20 (DF2) and is designed as a high im-
pedance output via two internal sink and source cur-
rent generators
RFOP
300
240
μ
A
(AGC OFF)
830
10p
5p
1k
RFIN
V
EE
RF
240
μ
A
360
AGC
6
μ
A
190k
300
PEAK
V
EE
DATAOP
1
20
μ
A
2
20
μ
A
HIGH
LOW
Table 1 Pin descriptions (continued)
Cont…
相關(guān)PDF資料
PDF描述
KESRX05B1T 260 to 470MHz ASK Receiver with Power Down
KESRX05KG1S 260 to 470MHz ASK Receiver with Power Down
KESRX05KG1T 260 to 470MHz ASK Receiver with Power Down
KESRX05QP1S 260 to 470MHz ASK Receiver with Power Down
KESRX05QP1T 260 to 470MHz ASK Receiver with Power Down
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KESRX05B1T 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:260 to 470MHz ASK Receiver with Power Down
KESRX05KG1S 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:260 to 470MHz ASK Receiver with Power Down
KESRX05KG1T 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:260 to 470MHz ASK Receiver with Power Down
KESRX05QP1S 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:260 to 470MHz ASK Receiver with Power Down
KESRX05QP1T 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:260 to 470MHz ASK Receiver with Power Down
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