U4254BM-M Datasheet (ATMEL Corporation) - Low-noise AM/FM Antenna Impedance Matching IC

U4254BM-M, Low-noise AM/FM Antenna Impedance Matching IC

The U4254BM-M is an integrated low-noise AM/FM antenna impedance matching circuit in BiCMOS technology.

The device is designed specifically for car applications and is suitable for windshield and roof antennas.

Figure 1.

Block Diagram FMIN GND1 FMGAIN AGC VS 1 2 3 4 14 IAGC FM 15 FMOUT AGC 13

U4254BM-M Features

* High Dynamic Range for AM and FM Integrated AGC for FM High Intercept Point 3rd-order for FM FM Amplifier Adjustable to Various Cable Impedances High Intercept Point 2nd-order for AM Low-noise Output Voltage Low-power Consumption