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參數(shù)資料
| 型號： | TR8001 |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 868.35 MHz Hybrid Transceiver |
| 中文描述： | 868.35兆赫混合收發(fā)器 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 159K |
| 代理商： | TR8001 |
RF Monolithics, Inc.
RFM Europe
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com Page 8 of 14
http://www.rfm.com
TR8000-08172007
Receiver Turn-On Timing
The maximum time t
PR
required for the receive function to become opera-
tional at turn-on is influenced by two factors. All receiver circuitry will be op-
erational 1 ms after the supply voltage reaches 2.2 Vdc. The BBOUT-
CMPIN coupling-capacitor is then DC stabilized in 4 time constants
(4*t
BBC
). The total turn-on time to stable receiver operation for a 10 ms
power supply rise time is:
t
PR
= 15 ms + 4*t
BBC
Receiver Wake-Up Timing
The maximum transition time t
SR
from the sleep mode to the receive mode
is 4*t
BBC
, where t
BBC
is the BBOUT-CMPIN coupling-capacitor time con-
stant. When the operating temperature is limited to 60°C, the time
required to switch from sleep to receive is dramatically less for short sleep
times, as less charge leaks away from the BBOUT-CMPIN coupling
capacitor.
AGC Timing
The maximum AGC engage time t
AGC
is 5 μs after the reception
of a -30 dBm RF signal with a 1 μs envelope rise time.
Peak Detector Timing
The Peak Detector attack time constant is set by the value of the capacitor
at the PKDET pin. The attack time t
PKA
=C
PKD
/4167, where t
PKA
is in μs
and C
PKD
is in pF. The Peak Detector decay time constant
t
PKD
= 1000*t
PKA
.
Data Rate (b/s)
CFG1 Bits 3-0
1200
0000
2400
0001
4800
0010
9600
0011
19200
0100
38400
0101
57600
0110
115200
0111
230400
1000
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