HD155101BF systems equivalent, rf single-chip linear ic for gsm and egsm systems.
* Highly integrated RF processing for hand-portables
* Wide operating frequency RX: RF: 925 to 960 MHz 1st IF: 130 to 300 MHz 2nd IF: 26 to 60 MHz TX: RF:.
where space is limited. “Pin Functions” shows the arrangement and roles assigned for each pin of the HD155101BF.
MIX1OUT.
The HD155101BF was developed for GSM and EGSM cellular systems, and integrates most of the functions of a transceiver. The HD155101BF incorporates the bias circuit for a RF LNA, a 1st mixer, 1stIF amplifier, 2nd mixer, AGC amplifier and an IQ quadrat.
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