A pulse receiver, comprising a pair of complementary symmetry metal oxide silicon (CMOS) common gate amplifiers connected between a 5 volt supply (ECL) voltage rail and an ECL ground (AGND), for receiving a pair of pulse input signals IN and INB and for providing a pair of first pulse signals, CMOS...http://www.google.ca/patents/US5793225?utm_source=gb-gplus-sharePatent US5793225 - CMOS SONET/ATM receiver suitable for use with pseudo ECL and TTL signaling environments 
