![Contek](/logo/Contek.png)
Contek Microelectronics
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
![Philips](/logo/Philips.png)
Philips Electronics
Versatile telephone transmission circuit with dialler interface
![Philips](/logo/Philips.png)
Philips Electronics
Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer
![Philips](/logo/Philips.png)
Philips Electronics
High efficiency DC/DC converter
![Philips](/logo/Philips.png)
Philips Electronics
Speech and handsfree IC
![Philips](/logo/Philips.png)
Philips Electronics
SMPS battery charger control circuit
![Philips](/logo/Philips.png)
Philips Electronics
Voice switched speakerphone IC
![Philips](/logo/Philips.png)
Philips Electronics
Supply circuit with power-down for telephone set peripherals
![Philips](/logo/Philips.png)
Philips Electronics
Speech and loudspeaker amplifie IC with auxiliary inputs/outputs and analog multiplexer
![Philips](/logo/Philips.png)
Philips Electronics
Low voltage transmission circuits with dialler interface
![Philips](/logo/Philips.png)
Philips Electronics
Versatile speech/dialler/ringer with music-on-hold
![Philips](/logo/Philips.png)
Philips Electronics
Speech and handsfree IC