name: AD831AP function: Low Distortion Mixer package: QFP20,20 manufacturer: Analog Devices added-by: Martin Pritchard +--------+---------+----------+---------+ | 1 - VP | 6 - RFP| 11 - LOP | 16 - OUT| | 2 - IFN| 7 - RFN| 12 - VP | 17 - VFB| | 3 - AN | 8 - VN | 13 - GND | 18 - COM| | 4 - GND| 9 - VP | 14 - BIAS| 19 - AP | | 5 - VD | 10 - LON| 15 - VN | 20 - IFP| +--------+---------+----------+---------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/