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| GaAs SP4T Absorptive Switch, DC - 3 GHz V 4.00 SW-314 Features n Integral TTL Driver n Isolation: 50 dB Typ. At 1 GHz n Ultra Low DC Power Consumption n Hermetic Surface Mount Package n 50 Ohms Nominal Impedance n MIL-STD-883 Screening Available CR-14 Description M/A-COM's SW-314 is a GaAs MMIC SP4T absorptive switch with an integral silicon ASIC driver. This device is in a 24-lead ceramic surface mount package. These switches exhibit excellent performance from DC to 3 GHz, with very low DC power dissipation. The SW-314 is ideally suited for RF/IF communications applications. Environmental screening is available. Contact the factory for information. Electrical Specifications1,2 (From -55C to +85C) Parameter Insertion Loss Test Conditions -- Frequency DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz -- -- -- 0.05 GHz 0.5 GHz to 3 GHz Units dB dB dB dB dB dB dB dB Ratio Ratio Ratio Ratio Ratio Ratio Ratio Ratio ns ns mV dBm dBm Min -- -- -- -- 50 40 35 30 -- -- -- -- -- -- -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 7 25 20 +20 +27 Max 1.3 1.4 1.6 1.8 -- -- -- -- 1.6:1 1.6:1 1.6:1 1.8:1 1.3:1 1.5:1 1.9:1 2.4:1 -- -- -- -- -- Isolation -- VSWR RFC, RF1 - RF4 (On) VSWR RF1 - RF4 (Off) Trise, Tfall Ton, Toff Transients 1 dB Compression 10% to 90% 50% Control to 90% / 10% RF In-Band (peak-peak) Input Power 1. All specifications apply when operated with bias voltages of +5V for Vcc and -5V for Vee. 2. When DC blocks are used, a 10K ohm return to GND is required on the RFC port. GaAs SP4T Absorptive Switch, DC - 3 GHz Electrical Specifications (From -55C to +85C) Parameter IP3 2 SW-314 V 4.00 Test Conditions Two-Tone Input Power up to +5 dBm Two-Tone Input Power up to +5 dBm -- -- Vcc = 4.5 to 5.5 V Vctl = 0 to 0.8V, or Vcc -2.1V to Vcc Vee = -5.0V to -8.0V Logic 0 (TTL) Logic 1 (TTL) 0 to 0.8V 2.0 to 5.0V Frequency 0.05 GHz 0.5 GHz to 3 GHz 0.05 GHz 0.5 GHz to 3 GHz -- -- -- -- -- -- -- -- Units dBm dBm dBm dBm V V mA mA V V A A Min -- -- -- -- 4.5 -8.0 -- -- 0.0 2.0 -- -- Typ +35 +46 +45 +60 5.0 -- 0.2 0.1 -- -- -- -- Max -- -- -- -- 5.5 -5.0 4.0 1.0 0.8 5.0 1.0 1.0 IP2 Vcc Vee Icc Iee Vctl Vctl Input Leakage Current (Low) Input Leakage Current (High) Absolute Maximum Ratings 3,4 Parameter Max Input Power 0.05 GHz 0.5 - 3.0 GHz 4 Bias Voltages Vcc Vee Control Voltage 5 Operating Temperature Storage Temperature Absolute Maximum Functional Schematic PIN 13 C3 C2 PIN 12 C1 Vcc Vee GND RF2 GND GND RF1 GND GND RFC PIN 1 +27 dBm +34 dBm -0.5 to +5.5V -8.5V to +0.5V -0.5V, to Vcc +0.5V -55C to +125C -65C to +150C C4 GND GND GND RF3 GND GND RF4 GND GND 3. Operation of this device above any one of these parameters may cause permanent damage. 4. When the input power is applied to the terminated port, the absolute maximum is +30 dBm. 5. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. PIN 24 GND Truth Table TTL Control Inputs Condition of Switch RF Common to Each RF Port C1 1 0 0 0 C2 0 1 0 0 C3 0 0 1 0 C4 0 0 0 1 RF1 On Off Off Off RF2 Off On Off Off RF3 Off Off On Off RF4 Off Off Off On 0 = TTL Low 1 = TTL High Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2 GaAs SP4T Absorptive Switch, DC - 3 GHz Typical Performance Curves SW-314 V 4.00 Insertion Loss vs. Frequency +85C 2 +25C -55C 90 80 Isolation vs. Frequency 1.5 70 Isolation dB 0.0 0.5 1.0 1.5 2.0 2.5 3 Loss (dB) 60 50 40 30 20 10 1 0.5 0 0 0.0 0.5 1.0 1.5 2.0 2.5 3 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency RFC 2.20 2.00 1.80 RF1-RF4 (Off) RF1-RF4 (On) Ordering Information Part Number SW-314 Package CR-14 VSWR 1.60 1.40 1.20 1.00 0.0 0.5 1.0 1.5 2.0 2.5 3 Frequency (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 3 |
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