83C694 ETC, 83C694 Datasheet - Page 29

• Manufacturer Part Number: 83C694
• Description: TWISTED PAIR INTERFACE AND MACHESTER ENCODER/DECODER
• Manufacturer: ETC

83C694D
26
** 27 H + 1% inductor is used for test purposes. 100
LBK
TXE
* R = 73 Ohm + 1% and
TTL/MOS OUTPUTS
R = 83 Ohm + 1%
Engineering 64103) are recommended for application use.
TPX1+
TPX2+
TPX1-
TPX2-
50 pF
1.5V
t LBS
237 Ohm
237 Ohm
59 Ohm
59 Ohm
TX-
TX+
FIGURE 5-11. LOOPBACK TIMING
FIGURE 5-12. TEST LOADS
1.5V
H tranformers (Valor LT 1101, or Pulse
150 Ohm
+ 5V
+ 5V
150 Ohm
R*
27
+
_ 1%
H**
1.5V
t LBH
AC OPERATING CHARACTERISTICS
1.5V