* programmable parameters - gain - low pass filter - high pass filter - AGC threshold - release time - MPO - receiver bias voltage Principle features of the preamp a.

The GP520A is a programmable analog signal path IC designed for use in hearing instruments. The GP520A’s programmable parameters are adjusted by external programming currents, such as generated by the GP521. The GP520A provides a 2.5 µ A reference cu.

GP521

GP522

GP500LSS06S

GP509

GP50B60PD1

GP5936

GP-12B

GP-14B

GP-15B

GP-20B

GP-22B

GP-30B

GP-31B