参数资料
型号: TMS3637P
厂商: TEXAS INSTRUMENTS INC
元件分类: 摇控器
英文描述: INFRARED, TRANSMITTER/RECEIVER IC, PDIP8
封装: PLASTIC, DIP-8
文件页数: 37/54页
文件大小: 384K
代理商: TMS3637P
6–11
IN is used for the data out. IN provides the complement of the data out in the transmitter configuration.
In Figure 6–8, the receiver is configured as an analog normal noninverting VTR receiver, and the content
of the EEPROM cells is:
CA
CB
CC
CD
CE
CF
CG
CH
CI
010000100
The receiver is used in the noninverting mode. Using IN on the transmitter to transmit the code is considered
noninverted, but the internal analog amplifier in the receiver (CF = 0) inverts the signal. The signal path
between the transmitter and receiver also inverts the signal. The result is a signal that is noninverted at the
internal logic controller of the receiver, then C1 = 0, a noninverting receiver.
The receiver can be tuned from approximately 200 MHz – 430 MHz using the trim capacitor C4. The antenna
used is a metal wire that is 12 inches long. Inductances L1 and L2 are in the range of 0.2
H – 2 H.
The oscillating frequency of the receiver is 57 kHz, which is approximately ten times that of the transmitter,
and the gain of the internal analog amplifier is approximately 200. OUT on the receiver maintains the same
status for approximately 0.5 second (1M
× 470 nF).
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