AK1291

[AK1291] AK1291 IF Variable Gain Amplifier with RSSI 1. Overview Overview AK1291 is a variable gain amplifier with a power detector. It’s operating frequency ranges from 100MHz to 300MHz. The gain control adopts an analog signal control, and the gain characteristic is dB linear. The gain control range is -9dB to +21dB and a dynamic range is 30dB. AK1291 has single-ended input and output, with impedance of 50 Ω. As a typical characteristic, NF is 7dB (at maximum gain) , and IMD3 is 70dBc at output power of -15dBm ,at frequency of 165MHz.The power supply voltage is 4.75V to 5.25V. 2. Feature ▪Operation Frequency Range ▪Gain variable range ▪Noise Figure ▪IMD3 ▪Supply Voltage ▪Operating Temperature ▪Package 100MHz to 300MHz -9dB to 21dB 7dB @max gain 70dBc @output power -15dBm 4.75V to 5.25V -40°C to +85°C 24pin QFN0404 3. Block Diagram VSS6 VSS1 RFINP RFINN PVDD GCON VSS2 BIAS COM VSS5 IAVDD OAVD VSS4 VSS3 Buffer RFOUT DETVDD Detector DETIN ENAB DETOUT Fig 1. Block Diagram MS-E-1148-00 -1- 2012/11 http://www.Datasheet4U.com [AK1291] Content 1. Overview ................................................................................................................. 1 2. Feature ..................................................................................................................... 1 3. Block Diagram ........................................................................................................ 1 4. Pin Configuration ..........................