Prior to the advent of digital exciters for FM radio, integration of an audio processor (with integrated stereo generator) was done via a baseband or multiplexed (MPX) signal connected directly to the ...
Broomfield, CO— Sirenza Microdevices announced the release of the STQ-2016-3, a new SiGe HBT direct quadrature modulator. Housed in an industry-standard TSSOP-16, this device is well suited for WCDMA ...
This circuit is a complete implementation of the analog portion of a broadband direct conversion transmitter (analog baseband in, RF out). RF frequencies from 68.75 MHz to 2.2 GHz are supported ...
NPR Labs has conducted what it describes as a real-world test of how FM modulators are used, to determine how much signal leakage from the consumer audio adapters is affecting the lower part of the FM ...