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SA2421DH 데이터시트(PDF) 5 Page - NXP Semiconductors |
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SA2421DH 데이터시트(HTML) 5 Page - NXP Semiconductors |
5 / 12 page Philips Semiconductors Product specification SA2421 2.45 GHz low voltage RF transceiver 2000 Mar 13 5 AC ELECTRICAL CHARACTERISTICS (continued) SYMBOL PARAMETER TEST CONDITIONS LIMITS UNITS SYMBOL PARAMETER TEST CONDITIONS MIN –3 σ TYP +3 σ MAX UNITS Tx Mixer (Tx OUT = Pin 17, IF = Pins 7 and 8, LO = Pin 10 or 12, PLO = –10 dBm) PGC Power conversion gain: RL = 50 Ω RS = 50 Ω fS = 2.45 GHz, fLO = 2.1 GHz, fIF = 350 MHz 22.5 23 23.5 dB S11–RF Output match at RF (2.45 GHz)1 –10 dB NFM SSB noise figure (2.45 GHz) (50 Ω) 10.9 11.2 11.5 dB P-1dB Output 1dB gain compression 4.2 dBm IP3 Output third order intercept f1 – f2 = 1 MHz 10.1 12.2 14.3 dBm Tx Mixer Spurious Components (POUT = P–1dB) PIF-RF IF feedthrough to RF4 –50 dBc PLO-RF LO feedthrough to RF5 –22 dBc PIMAGE-RF Image feedthrough to RF6 –20 dBc LO Buffer PLO IN LO drive level –15 –10 –5 dBm S11-LO Mixer input match (LO = 2.1 GHz) –10 dB fLOG LOG frequency range3 1.9 2.1 2.3 GHz Switching2 tRx-Tx Receive-to-transmit switching time 1 µs tTx-Rx Transmit-to-Receive switching time 1 µs tPOWER UP Chip enable time 1 µs tPWR DWN Chip disable time 1 µs NOTES: 1. With simple external matching 2. With 50 pF coupling capacitors on all RF and IF parts 3. This part has been optimized for the stated frequency range. Operation outside this frequency range may yield performance other than specified in this datasheet. 4. Measured 5dB lower than 1dB compression point, with typical output matching network. 5. Measured at 1dB compression point. 6. With typical output matching network (no image reject mixer is used). |
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