AK2358A Overview
I The AK2358A, a base-band LSI for cordless telephone, has built-in voice filters, a 2400bps MSK MODEM for data munication, a frame detection circuit, a PANDOR for noise reduction, and scrambler circuits. The CMOS process provides low power operation. Application of 24 pin VSOP package with the.
AK2358A Key Features
- 1 Built-in voice filter for cordless telephone, MSK MODEM (2400bps), PANDOR, and scrambler circuit
- 1 Low / wide operation voltage range (1.9 V to 5. 5V) -1 Built-in PANDOR output transient response circuit and time cons
- 1 Built-in electronic volume for u icrophone sensitivity and modulator/demodulator
- 1 Built-in muting function for voice transmitting and receiving -1 External adjustment for the limiter level
- 1 Low power CMOS and power-down function
- 1 Scrambler circuit with frequency inversion. Two inversion frequencies can be selected
- 1 Bypassing the scrambler circuit available
- 1 Control register and MSK MODEM data buffer controlled by serial interface -1 Few external ponent is necessary resultin
- IISK v Demodulator
- Re eiver L