參數(shù)資料
型號(hào): RFHCS362AG
廠商: Microchip Technology Inc.
英文描述: Code Hopping Encoder with UHF ASK/FSK Transmitter
中文描述: 跳碼編碼器的超高頻ASK / FSK發(fā)射器
文件頁(yè)數(shù): 33/60頁(yè)
文件大小: 502K
代理商: RFHCS362AG
2002 Microchip Technology Inc.
Preliminary
DS41189A-page 33
rfHCS362G/362F
FIGURE 6-4:
EXAMPLE LOOP FILTER
CIRCUIT
TABLE 6-4:
EXAMPLE LOOP FILTER VALUES FOR TRANSMIT FREQUENCY = 433.92 MHz
(1)
TABLE 6-5:
EXAMPLE LOOP FILTER VALUES FOR TRANSMIT FREQUENCY = 315 MHz
(1)
LF
rfHCS362G/362F
R1
C1
C2
C1
C2
R1
Loop BW
Fn (natural
freq in Hz)
Phase Margin
(not counting
sampling delay)
2nd Order
damping
factor
Calculated
Lock Time
0.01 uF
3900 pF
1500 pF
1000 pF
Note 1:
Standard Operating Conditions (unless otherwise stated) T
A
= 25°C, RF
EN
= 1, V
DDRF
= 3V.
390 pF
100 pF
47 pF
18 pF
680
1.5K
2.7K
4.7K
165 kHz
360 kHz
610 kHz
1.05 MHz
64 kHz
103 kHz
166 kHz
203 kHz
65 deg
63 deg
55 deg
50 deg
1.37
1.89
2.10
3.0
47
μ
s
29
μ
s
18
μ
s
15
μ
s
C1
C2
R1
Loop BW
Fn (natural
freq in Hz)
Phase Margin
(not counting
sampling delay)
2nd Order
damping
factor
Calculated
Lock Time
3900 pF
3900 pF
3900 pF
Note 1:
Standard Operating Conditions (unless otherwise stated) T
A
= 25°C, RF
EN
= 1, V
DDRF
= 3V.
390 pF
680 pF
1000 pF
680
680
680
190 kHz
175 kHz
155 kHz
112 kHz
112 kHz
112 kHz
55 deg
47 deg
39 deg
0.94
0.94
0.94
27
μ
s
27
μ
s
27
μ
s
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RFHCS362F 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter
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