![Contek](/logo/Contek.png)
Contek Microelectronics
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
![Philips](/logo/Philips.png)
Philips Electronics
Supply circuit with power-down for telephone set peripherals
![Temic](/logo/Temic.png)
Temic Semiconductors
Simple phase control circuit
![Philips](/logo/Philips.png)
Philips Electronics
Control circuit for switched-mode power supply
![Philips](/logo/Philips.png)
Philips Electronics
Hands-free IC
![Philips](/logo/Philips.png)
Philips Electronics
Call progress monitor for line powered telephone sets
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
VIDEO AND AUDIO SIGNALS SWITCHINGS FOR THE PERI-TELEVISION PLUG
![ETC](/logo/ETC.png)
Unspecified
VERSATILE TELEPHONE 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
![Philips](/logo/Philips.png)
Philips Electronics
High efficiency DC/DC converter
![Philips](/logo/Philips.png)
Philips Electronics
SMPS battery charger control circuit