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| 24-35 GHz GaAs MMIC High Power SPDT Reflective PIN Switch AP640R7-00 Features Chip Outline 0.113 2.078 I Broad Bandwidth I Low Loss, < 1.5 dB I High Isolation, > 28 dB I Return Loss, < -12 dB I Fast Switching Speed, < 4 ns I High Power Handling, 40 dBm Peak, 36 dBm CW 0.000 0.000 1.100 0.988 0.398 1.095 Description Alpha's high power, single pole, double throw PIN diode switch is a robust, high performance switch. It is ideal for low loss, high isolation applications, particularly where broad bandwidths and high power handling is required. The chip uses Alpha's proven PIN diode technology, and is based upon MBE layers for the highest uniformity and repeatability. The diodes employ surface passivation to ensure a rugged, reliable part with through-substrate via holes and gold-based backside metallization to facilitate an epoxy die attach process. The GaAs MMIC employs a specialized high power PIN diode in each arm and an on-chip bias network. Chips are measured on a 100% basis at 24, 28, 31 and 35 GHz for insertion loss, isolation, input and output return losses, and also at DC for diode breakdown voltage and turn on voltage. Dimensions indicated in mm. All pads are 0.07 mm wide. Chip thickness = 0.1 mm. Absolute Maximum Ratings Characteristic Operating Temperature Storage Temperature DC Reverse Bias DC Forward Bias PIN Value -55C to +125C -65C to +150C -100 V (-20 mA) +2.6 V (100 mA) 15 W Electrical Specifications at 25C Parameter Insertion Loss Isolation Input Return Loss Output Return Loss (Insertion State) Leakage Current Switching Speed1 Output Power at 1 dB Compression1 P1 dB F = 35 GHz Symbol IL ISO RLI RLO IDD Condition F = 24, 28, 31, 35 GHz F = 24, 28, 31, 35 GHz F = 24, 28, 31, 35 GHz F = 24, 28, 31, 35 GHz V = -50 V 28 Min. Typ.2 1.2 30 16 17 2 4 36 12 14 20 Max. 1.5 Unit dB dB dB dB A ns dBm 1. Not measured on a 100% basis. 2. Typical represents the median parameter value across the specified frequency range for the median chip. 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 2.190 1 24-35 GHz GaAs MMIC High Power SPDT Reflective PIN Switch AP640R7-00 Typical Performance Data 0 0 Insertion Loss -10 -1 0 0 Insertion Loss -10 Input Return Loss -20 Output Return Loss -2 -1 Return Loss & Isolation (dB) Return Loss & Isolation (dB) Insertion Loss (dB) Insertion Loss (dB) -20 Input Return Loss Output Return Loss -2 -30 Isolation -40 15 20 25 30 35 40 -3 -30 Isolation -40 -26.0 -5.0 -3.5 -1.0 0.0 -3 -4 -4 Frequency (GHz) Reverse Bias Voltage (V) Performance vs. Frequency Bias Conditions: IF = 20 mA, VR = -3.5 V 0 0 Input Return Loss Insertion Loss Performance vs. DC Bias F = 28 GHz, Forward Current = 20 mA Return Loss & Isolation (dB) Truth Table B1 +20 mA -5 V B2 -5 V +20 mA J1-J2 Insertion Loss Isolation Insertion Loss (dB) -10 -1 Output Return Loss -20 Isolation -30 -3 -2 Circuit Schematic B1 B2 -40 1 2 5 10 20 40 -4 Forward Current (mA) Performance vs. DC Bias F = 28 GHz, Reverse Voltage = -3.5 V J3 J2 Bias Arrangement "ON ARM" -5 V (~ 2 A) RESISTOR "OFF ARM" +20 mA (~ 2.50 V) RESISTOR J1 B1 B2 J3 J2 J1 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 |
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