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CT3232M PDF预览

CT3232M

更新时间: 2024-11-07 22:28:51
品牌 Logo 应用领域
艾法斯 - AEROFLEX 驱动器
页数 文件大小 规格书
8页 105K
描述
Low Power Driver /Receiver For MIL-STD-1553 & Macair

CT3232M 数据手册

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CT 3232M  
Low Power Driver/ Receiver  
For MIL-STD-1553 & Macair  
Features  
1.5 Watt Total Hybrid Dissipation at 25% Transmitting Duty Cycle  
Monolithic Design  
Compatible with MIL-STD-1553A/B & Macair A3818, A5232, A5690 & A4905  
Meets MIL-STD-1553B  
TTL Compatible  
Full Military (-55°C to +125°C) Temperature Range  
Driver/ Receiver in a single Package for Space & Weight Savings  
Filtering on Receiver to Improve S/N Ratio of System  
Pin for Pin interchangeable with CT3231 Series  
CIRCUIT TECHNOLOGY  
Packaging – Hermetic Metal Plug-In or Flat Package  
24 Lead, 1.27" sq. max x .2" Ht Flat package  
www.aeroflex.com  
24 Pin, 1.27" sq. max x .175" Ht Plug-In package  
DRIVER DESCRIPTION  
The CT3232 Driver section accepts complementary TTL Data at the input, and produces a 30  
Volt nominal peak-to-peak differential signal across a 140load at the output. When coupled to the  
Data Bus with a 1:1 transformer, isolated on the Data Bus side with two 55.0fault isolation  
resistors, and loaded by two 70terminations plus additional receivers, the Data Bus signal  
produced is 7.2 Volts nominal peak-to-peak.  
When both “DATA” and “DATA” inputs are held low or both are held high, the driver output  
becomes a high impedance and is “removed” from the line. In addition, an overriding “INHIBIT”  
input provides for removal of the Driver output from the line. A logic “1” applied to the “INHIBIT”  
takes priority over the condition of the data inputs and disables the Driver. See Driver Logic  
Waveforms, Figure 3.  
DATA and DATA inputs must be complementary waveforms, of 50% duty cycle average, with no  
gate delays between them.  
RECEIVER DESCRIPTION  
The CT3232 Receiver section accepts Bi-Phase Differential data at the input and produces two  
TTL signals at the output. The outputs are “DATA” and “DATA”, and represent positive and negative  
excursions (respectively) of the input beyond a predetermined threshold. See Receiver Logic  
Waveforms, Figure 2.  
The positive and negative thresholds may be internally set by grounding the appropriate pins, or  
externally set with resistors. The pre-set internal thresholds will detect Data Bus signals exceeding  
1Volt p-p and ignore signals less than 0.5Volt p-p when used with 1:1 transformer (See Figure 4 for  
a suitable transformer and typical connection).  
A low level at the STROBE input inhibits the DATA and DATA outputs. If unused, a 2Kpull-up to  
+5V is recommended.  
eroflex Circuit Technology – Data Bus Modules For The Future © SCDCT3232 REV A 6/27/02  

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