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The model ACS2301 dual-frequency synthesizer is designed to support cable modem, set-top box, television and cable telephony tuner applications and is equipped with two fully programmable RF dividers at 2.0 and 1.1 GHz. Manufactured using the CMOS process, the ACS2301 operates from 0.4 to 2.0 GHz and is designed for use in dual-conversion tuners, which handle two IFs and have two on-board voltage-controlled oscillators. Housed in a TSSOP-20 surface-mount plastic package, the monolithic device also contains two dual-modulus prescalers (64/65) and exhibits RF input sensitivity of -10 to +20 dBm. Price: $2 (10,000).
The models AR7501 and AR7201 single supply front-end ICs operate at 5 and 2.4 GHz, respectively. Both models are comprised of a power amplifier (PA) with analog power control; a power output detector; a low noise amplifier (LNA) with analog gain control; and a TDD switch. The AR7501 IC's PA features 22.5 dBm output with 18 dB gain at +5 V and 330 mA; the AR7201 IC's PA offers 22.5 dBm with 22.5 dB gain at +5 V and 335 mA. The LNAs provide 20 and 21 dB gain and 3.5 and 3.9 dB noise figure at 5 and 2.4 GHz, respectively. Other RFIC products include the model AR7541 5 GHz low noise amplifier (packaged in an eight-lead SOIC); the model AR7202 2.4 GHz dual-supply front-end IC (packaged in a QSOP-24); the model AR7241 single-supply 2.4 GHz low noise amplifier; and the model AR7232 dual-supply 2.4 GHz power amplifier.
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