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ADG936BRU-R-500RL7 Datasheet(PDF) 11 Page - Analog Devices |
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ADG936BRU-R-500RL7 Datasheet(HTML) 11 Page - Analog Devices |
11 / 16 page ADG936/ADG936-R Rev. 0 | Page 11 of 16 APPLICATIONS The ADG936/ADG936-R are ideal solutions for low power, high frequency applications. The low insertion loss, high isolation between ports, low distortion, and low current consumption of these parts make them excellent solutions for many high frequency switching applications. They can be used in applications such as switchable filters, transmitters and receivers for radar systems, and communication systems from base stations to cell phones. The ADG9xx family of wideband switches is designed to meet the demands of devices transmitting at ISM band frequencies to 1 GHz and higher. The low insertion loss, high isolation between ports, single pin control interface, no requirement for dc blocking capacitors, and TTL interface compatibility make them cost-effective and easy-to-integrate switching solutions for many high frequency switching and low power applications, because the parts can handle up to 16 dBm of power. ABSORPTIVE VS. REFLECTIVE The ADG936 is an absorptive (matched) switch with 50 Ω terminated shunt legs; the ADG936-R is a reflective switch with 0 Ω terminated shunts to ground. The ADG936 absorptive switch has a good VSWR on each port, regardless of the switch mode. An absorptive switch should be used when there is a need for a good VSWR that is looking into the port but not passing the through-signal to the common port. The ADG936 is, therefore, ideal for applications that require minimum reflections back to the RF source. It also ensures that the maximum power is transferred to the load. The ADG936-R reflective switch is suitable for applications in which high off-port VSWR does not matter, and the switch has some other desired performance features. It can be used in many applications, including high speed filter selection. In most cases, an absorptive switch can be used instead of a reflective switch, but not vice versa. FILTER SELECTION The ADG936 and ADG936-R can be used to switch high frequency signals between different filters, and to multiplex the signal to the output. These dual SPDT switches are also ideal for high speed signal routing and for switching high speed differential signals. ADG936 ADG936 RF1A RF2A RF1B RF2B RF1A RF2A RF1B RF2B RFOUT RFCA RFOUT RFCB RFIN RFCB RFIN RFCA Figure 27. Filter Selection Tx/Rx SWITCHING The low insertion loss and high isolation between ports ensure that the ADG936/ADG936-R are suitable transmit/receive switches for all ISM band and Wireless LAN applications, providing the required isolation between the transmit and receive signals. ANTENNA ADG936 RF1B RF2B RF1B RF2B RFCB RFCA PA LNA Figure 28. Tx/Rx Switching ANTENNA DIVERSITY SWITCH The ADG936/ADG936-R are ideal for use as antenna diversity switches, switching in different antennas to the tuner. The low insertion loss, which ensures minimum signal loss and high isolation between channels, makes these dual SPDT switches suitable for switching applications in tuner modules and set-top boxes. |
Similar Part No. - ADG936BRU-R-500RL7 |
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Similar Description - ADG936BRU-R-500RL7 |
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