Found 4 alternatives for ASNT6142-KMC by ADSANTEC. Linear Amplifiers Special Purpose — 24-CQFlatpack, Cerpack.
28G 5V LIMITING AMP, GAIN CTRL
45G DIFF LIMITING AMP, GAIN CTRL
12GHZ 0DB-31DB LINEAR AMPLIFIER
28G DIFF LIMITING AMP, GAIN CTRL