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| GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC-4.0 GHz AS186-302 Features I Positive Voltage Control (0/+3 to 0/+5 V) I High Isolation (55 dB @ 0.9 GHz and 1.9 GHz) I Miniature MSOP-8 Exposed Pad Package I Three Switch Solution for Base Station Synthesizer Switch I Non-Reflective I Operation to 6 GHz 1 PIN 1 INDICATOR MSOP-8 Exposed Pad 0.122 (3.09 mm) 0.114 (2.89 mm) 8 0.0256 (0.650 mm) TYP. 0.072 (1.83 mm) 0.062 (1.57 mm) 0.073 (1.85 mm) 0.063 (1.60 mm) 0.122 (3.09 mm) 0.114 (2.89 mm) EXPOSED PADDLE 0.200 (5.08 mm) 0.114 (4.67 mm) 0.044 (1.12 mm) MAX. Description The AS186-302 is a GaAs FET IC SPDT non-reflective switch packaged in a MSOP-8 exposed pad plastic package for low cost, high isolation commercial applications. Ideal building block for base station applications where synthesizer isolation is critical. Typical applications include GSM, PCS, WCDMA, 2.4 GHz ISM and 3.5 GHz wireless local loop. 0.012 (0.30 mm) 0.008 (0.20 mm) 0.006 (0.15 mm) 0.002 (0.05 mm) Electrical Specifications (0, +5 V), -40 to +85C Parameter1 Insertion Loss Condition Frequency DC-2.0 GHz DC-3.0 GHz DC-4.0 GHz DC-2.0 GHz DC-3.0 GHz DC-4.0 GHz DC-2.0 GHz DC-4.0 GHz 0.5-4.0 GHz Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+3 V 0/+5 V For Two-tone Input Power +8 dBm 0/+3 V 0/+5 V 0.9-4.0 GHz 0.9-4.0 GHz 0.9-4.0 GHz 0.9-4.0 GHz 17 24 27 42 50 45 35 Min. Typ. 0.8 0.9 1.0 55 50 40 1.3:1 1.3:1 1.35:1 30 50 25 21 27 38 46 1.5:1 1.6:1 1.7:1 ns ns mV dBm dBm dBm dBm Max. 1.05 1.15 1.25 Unit dB dB dB dB dB dB Isolation2 VSWR (On State) VSWR (Off State) Switching Characteristics3 Input Power for 1 dB Compression Intermodulation Intercept Point (IIP3) Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max. 1. All measurements made in a 50 system, unless otherwise specified. 2. Backside of exposed pad must be connected to RF ground to obtain specified isolation. 3. Video feedthru measured with 3 ns risetime pulse. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 2/00A 1 GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC-4.0 GHz AS186-302 Typical Performance Data (0, +5 V) 0 -0.5 J1-J2 J1-J3 0 -0.5 Insertion Loss (dB) Insertion Loss (dB) -40C -1.0 -1.5 -2.0 25C -1.0 -1.5 -2.0 -2.5 -3.0 0 85C -2.5 -3.0 1 2 3 4 5 6 0 1 2 3 4 5 6 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Insertion Loss vs. Frequency -40, 25, 85C 0 -10 0 -10 Isolation (dB) -30 -40 Isolation (dB) -20 J1-J3 J1-J2 -50 -60 -70 0 1 2 3 4 5 6 -20 -30 -40 -50 -60 -40C -70 0 1 2 3 4 5 6 25C 85C Frequency (GHz) Frequency (GHz) Isolation vs. Frequency Isolation vs. Frequency -40, 25, 85C 2.50 2.50 2.25 2.00 S22 Off 2.25 2.00 S11 On VSWR 1.75 1.50 1.25 S22 On 1.00 0 1 2 3 4 VSWR 1.75 1.50 1.25 25C 1.00 -40C 85C 5 6 0 1 2 3 4 5 6 Frequency (GHz) Frequency (GHz) VSWR vs Frequency VSWR vs Frequency -40, 25, 85C (S22 Off) 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 2/00A GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC-4.0 GHz AS186-302 Typical Performance Data (0, +5 V) 2.50 2.25 2.00 Compression Point vs. Voltage and Temperature Control Voltage (V) 3 Temperature (C) -40 25 85 -40 25 85 Input Power @ 1 dB Compression (dBm) 20.5 20.0 19.0 28.5 28.0 27.5 Input power @ 0.1 dB Compression (dBm) 16.5 15.3 14.0 23.0 23.0 23.0 VSWR 1.75 1.50 1.25 1.00 0 1 2 3 4 85C 25C -40C 5 6 3 3 5 5 5 Frequency: 900 MHz. Frequency (GHz) VSWR vs Frequency -40, 25, 85C (S11 On) Absolute Maximum Ratings Characteristic RF Input Power Value 1 W Max. > 500 MHz 0/+8 V Control -0.2 V, +8 V -40C to +85C -65C to +150C 25C/W IP3 vs. Voltage and Temperature Control Voltage (V) 3 3 3 5 5 5 Tone frequencies: 900 and 901 MHz. J1 CBL Temperature (C) -40 25 85 -40 25 85 IP3 @ +8 dBm Each Tone (dBm) 44.0 38.0 29.5 47.5 46.5 45.5 Control Voltage Operating Temperature Storage Temperature JC Pin Out V1 V2 CBL J2 GND GND CBL J3 5 1 50 2 3 8 7 6 Truth Table V1 0 VHigh VHigh = +3 V to +5 V. GND 50 4 V2 VHigh 0 J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation CBL = 47 pF for operation > 500 MHz. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 2/00A 3 |
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