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ML5825DM-T Datasheet(PDF) 10 Page - SIRENZA MICRODEVICES |
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ML5825DM-T Datasheet(HTML) 10 Page - SIRENZA MICRODEVICES |
10 / 12 page ML5825 ADVANCED DATASHEET SEPTEMBER 2007 EDS-106038 REV A01 10 STANDBY MODE In STANDBY mode, the ML5825 transverter is powered down. When exiting STANDBY mode, the transmitter is disabled for 200 μs. However, the receive path is not similarly locked out and so will receive invalid data for up to 200μs. Therefore, the system should wait 200 μs after exiting STANDBY mode before actively processing signals to allow the PLL to lock. A timing diagram for the ML5825 is shown in Figure 2. Figure 2: ML5825 Control Timing Diagram, assuming a 40 KHz loop bandwidth. RECEIVE MODE In RECEIVE mode, the received signal at 5.8GHz is amplified, filtered, and downconverted to 2.4GHz. The receiver has two gain modes; High Gain (about 13dB) and Low Gain (about -8dB). Gain mode is set via the state of the RXGN input, with High Gain Mode corresponding to a logic “1” on RXGN. TRANSMIT MODE In TRANSMIT mode, the transmitted signal at 2.4GHz is upconverted, filtered, and amplified at 5.8GHz. The transmit output power compression point is programmable via an external resistor on the TXISET pin. VCCA XCEN TXON Data Output (RX & TX) RX Valid Data Output TX Valid Data Output TX Valid Data Output RX Valid Data Output 200uS 100uS 170uS 350uS 100uS 200uS Supply and PLL Settling 200uS PLL Settling 100uS Supply Settling And TX Timer 170uS Time to valid TX data is 400uS PLL Settling 100uS |
Similar Part No. - ML5825DM-T |
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Similar Description - ML5825DM-T |
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