name: HT9011 function: FM IF Detector package: SSOP20,20 manufacturer: Holtek +--()--+ OSCI | 1 20| MIXI OSCO | 2 19| GND MIXO | 3 18| REGO VCC | 4 17| REGC IFIN | 5 16| ALM DEC | 6 15| FSKO FSKR | 7 14| CHG IFO | 8 13| BS QUAD | 9 12| LPFO AFO |10 11| LPFI +------+ This pinout came from the Chipdir: http://www.chipdir.org/