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PBL40215 Datasheet(PDF) 4 Page - Ericsson |
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PBL40215 Datasheet(HTML) 4 Page - Ericsson |
4 / 22 page 4 PBL 402 15 Pin Descriptions (cont.): Pin number Name Function Schematic in/output of the pin 8 Not connected 9 Not connected 10 VCCVCO Voltage supply to the VCO 11 VTUNE Tuning voltage input for the VCO 12 GndVCO Ground connection to the VCO 13 GndFM Ground connection to the FM discriminator section. 14 DTX Tx data input for either analog or logic signal. 15 MOD Apply modulation. The PLL is set into open loop condition and modulation is applied to the VCO. 16 SHOLD Slice level hold logic input. (In Tx mode this input may also act as the MOD pin). 17 DRX Rx data output of FM discriminator for either analog or logic signal.(In standby mode outputs lock detect) 18 DSL Data slice level output. 19 VCCFM Voltage supply to the FM discriminator section. 20 RSSI RSSI output of limiting strip detector chain. N/C Clamp to GndVCO VCCVCO VTUNE GndVCO A diode to GndCP and GndFM VCCFM DTX GndFM VCCFM MOD GndFM Bias VCCFM SHOLD GndFM Bias VCCFM DRX GndFM VCCFM DSL GndFM Clamp to GndFM 21 VCCRSSI Voltage supply to the RSSI section. 22 CAP+ External stabilising capacitors for limiting strip DC input offset correction loop. 23 CAP- VCCRSSI RSSI GndRSSI Clamp to GndRSSI VCCRSSI CAP+/CAP- Both inputs alike GndRSSI |
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