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| Preliminary GaAs IC High Isolation Positive Control SPDT Switch DC-3.0 GHz AS176-59 Features I Positive Voltage Control (0/+3 to +5 V) I High Isolation (50 dB @ 0.9, 1.9 GHz) I Low DC Power Consumption I Ideal for Cellular, GSM, DCS,PCS, 3G and 2.4 GHz ISM Applications 5 MSOP-8 0.0256 (0.65 mm) TYP. PIN 1 INDICATOR 0.118 (3.00 mm) 0.004 (0.1 mm) SQ. 0.193 (4.90 mm) REF. PIN 1 0.012 (0.30 mm) + 0.006 (0.15 mm) - 0.002 (0.05 mm) Description The AS176-59 is a GaAs FET IC SPDT switch packaged in a MSOP-8 plastic package for low cost, high isolation commercial applications. Ideal building block for base station dual band applications where synthesizer isolation is critical. Use in conjunction with the AS165-59 SPST switch to meet GSM synthesizer isolation requirements. 7.0 0.038 (0.95 mm) TYP. 0.030 (0.75 mm) 0.017 (0.43 mm) 0.007 (0.18 mm) 0.005 (0.12 mm) 8.0 MAX. 0.006 (0.15 mm) 0.002 (0.05 mm) 0.028 (0.70 mm) 0.016 (0.40 mm) Electrical Specifications at 25C (0, +3 V), (0, +5 V) Parameter1 Insertion Loss3 Condition Frequency2 DC-1.0 DC-2.0 DC-2.5 DC-3.0 J1-J2/J1-J3 J1-J2/J1-J3 DC-1.0 DC-2.0 DC-2.5 DC-3.0 DC-1.0 DC-2.0 DC-2.5 DC-3.0 GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz 45/50 41/38 29 22 45/50 47 36 30 Min. Typ. 0.7 0.8 0.8 0.9 50/55 45/42 34 27 50/55 52 40 35 1.3:1 1.5:1 1.5:1 1.8:1 Max. 0.9 1.0 1.1 1.2 Unit dB dB dB dB dB dB dB dB dB dB dB dB Isolation4 Isolation5 J1-J2/J1-J3 VSWR6 DC-2.0 GHz DC-3.0 GHz Operating Characteristics at 25C (0, +5 V) Parameter Switching Characteristics7 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Two-tone Input Power +5 dBm +3 V +5 V 0.5-3.0 GHz 0.5-3.0 GHz Frequency Min. Typ. 60 100 50 +41 +45 Max. Unit ns ns mV dBm dBm Intermodulation Intercept Point (IP3) Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max. VS = VHigh 0.2 V 5. Pin 4: GND. 6. Insertion loss state. 7. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 1. All measurements made in a 50 system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/C. 4. Pin 4: N/C. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 10/99A 1 GaAs IC High Isolation Positive Control SPDT Switch DC-3.0 GHz AS176-59 Typical Performance Data (0, +5 V) 0.0 2.0 1.8 -0.2 Insertion Loss (dB) VSWR (dB) -0.4 -0.6 -0.8 -1.0 -1.2 0 0.5 1.0 1.5 2.0 2.5 3.0 J1-J3 J1-J2 1.6 1.4 1.2 J1-J3 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 J1-J2 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency -20 -25 -30 -20 -25 -30 VSWR vs. Frequency Isolation (dB) -40 -45 -50 -55 -60 -65 -70 0 0.5 1.0 Isolation (dB) -35 J1-J3 J1-J2 -35 -40 -45 -50 -55 -60 -65 -70 J1-J2 J1-J3 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Isolation vs. Frequency Pin 4: N/C Isolation vs. Frequency Pin 4: GND Truth Table V1 0 VHigh VHigh = +3 V to +5 V. Absolute Maximum Ratings V2 VHigh 0 J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation Supply Voltage Control Voltage Characteristic RF Input Power Value 1 W Max. > 500 MHz 0/+8 V Control +8 V -0.2 V, +8 V -40C to +85C -65C to +150C 25C/W Pin Out V1 V2 J1 CBL GND CBL J3 4 5 3 N/C CBL = 47 pF. 6 CBL J2 GND 1 2 8 7 Operating Temperature Storage Temperature JC 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 10/99A |
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