AA104-73

AA104-73 ALPHA | Alldatasheet

Document overview

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Technical content

Features

I 1 Bit Attenuation of 32 dB DC–1 GHz, 27 dB 1–2 GHz, 24 dB 2–2.5 dB I Combine with AA260-85 or AA101-80 for 63 dB 6 Bit Solution I Tune with One Capacitor and/or Resistor to Desired Operating Frequency and Attenuation I Ideal for Both IF and RF Applications Includ- ing Cable, GSM, PCS, EDGE, 3G and ISM SOT-6 AA104-73

Description

The AA104-73 is a 1 bit, GaAs IC FET digital attenuator in a low cost SOT -6 package. This attenuator has up to 32 dB total attenuation.The attenuator requires two lines of voltage control. The AA104-73 is particularly suited where high attenuation accuracy, low insertion loss and low Parameter1 Frequency2 Min. Typ. Max. Unit Insertion Loss DC–1.0 GHz 0.8 1.0 dB 1.0–2.0 GHz 0.9 1.2 dB 2.0–2.5 GHz 1.0 1.3 dB Attenuation Range DC–1.0 GHz 32 dB 1.0–2.0 GHz 27 dB 2.0–2.5 GHz 24 dB Attenuation Accuracy3, 4 DC–0.5 GHz ± (0.4 + 10% of Attenuation Setting in dB) dB 0.85–0.95 GHz ± (0.4 + 5% of Attenuation Setting in dB) dB 1.7–2.0 GHz ± (0.5 + 6% of Attenuation Setting in dB) dB 2.0–2.5 GHz ± (0.6 + 7% of Attenuation Setting in dB) dB VSWR (Insertion Loss State)5 DC–2.5 GHz 1.2:1 1.5:1 VSWR (Attenuation State)5 DC–2.5 GHz 1.5:1 2.0:1 Electrical Specifications at -40 to 85°C (0, +3 V), (0, +5 V) 0.074 (1.90 mm REF.) 0.071 (1.80 mm) 0.052 (1.30 mm) 0.037 (0.95 mm) REF. 0.122 (3.10 mm) 0.106 (2.70 mm) 0.006 (0.15 mm) 0.000 (0.00 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.020 (0.51 mm) 0.014 (0.350 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) PIN 6 PIN 1 PIN 1 INDICATOR 0.022 (0.61 mm) 0.004 (0.10 mm) 0.014 (0.26 mm) 0.004 (0.10 mm) 0.012 (0.30 mm) TYP. 5.0˚ ± 1˚ 5.0˚ ± 1˚ Parameter Condition Frequency Min. Typ. Max. Unit Switching Characteristics6 Rise, Fall (10/90% or 90/10% RF) 50 ns On, Off (50% CTL to 90/10% RF) 100 ns Video Feedthru 25 mV Input Power for 1 dB Compression V S = +3 V 0.5–2.5 GHz 14 +21 dBm VS = +5 V 0.5–2.5 GHz 18 +23 dBm Intermodulation Intercept Point (IP3) For Two-tone Input Power +10 dBm VS = +3 V 0.5–2.5 GHz 36 +41 dBm VS = +5 V 0.5–2.5 GHz 38 +44 dBm Control Voltages V Low = 0 to 0.2 V @ 20 µA Max. VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max. 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Operates to DC when controlled with negative voltage, CBP not required. 3. Attenuation value set by CBP . 4. Attenuation referenced to insertion loss. 5. Input/output. In band. 6. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 7. DC = 30 KHz. GaAs IC 1 Bit Digital Attenuator 32 dB 2.5 GHz intermodulation products are required. Typical application is as a sixth bit value for the AA260-85 and AA101-80. A total attenuation of 63 dB in 1 dB steps can be obtained by combining the two attenuators.

GaAs IC 1 Bit Digital Attenuator 32 dB 2.5 GHz AA104-73 2 Alpha Industries, Inc.[781] 935-5150 • Fax [617] 824-4579• Emailsales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 5/00A Typical Performance Data at -40 to 85°C (0, +5 V) C BP = 12 pF, CBL = 47 pF -1.50 -0.25 -0.50 -0.75 -1.00 -1.25 Insertion Loss (dB) Frequency (GHz) Insertion Loss vs. Frequency IL 85˚CIL -40˚C IL 25˚C -33 -27 -28 -29 -30 -31 -32 Max Attenuation (dB) Frequency (GHz) 32 dB State vs. Frequency 32 dB -40˚C 32 dB 85˚C 32 dB 25˚C 1.0 1.2 1.4 1.6 1.8 2.0 VSWR Frequency (GHz) VSWR vs. Frequency Insertion Loss State S11 25˚C S22 25˚C S22 85˚C S11 -40˚C S22 -40˚C S11 85˚C 1.0 3.0 2.5 2.0 1.5 VSWR Frequency (GHz) VSWR vs. Frequency 32 dB State S22 25˚C S11 25˚C S22 85˚C S11 -40˚C S22 -40˚C S11 85˚C Control Voltage Temperature IP3 @ +10 dBm (V) ( °C) each tone (dBm) 3 -40 41 32 5 4 2 38 5 4 0 5 -40 43 52 5 4 4 58 5 4 2 IP3 vs. Voltage and Temperature 1 dB 1 dB Compression Compression Control Voltage Temperature Insertion Loss 32 dB State (V) ( °C) State (dBm) (dBm) 3 -40 21 16.5 3 25 21 15.0 3 85 21 14.0 5 -40 22 22.5 5 25 22 22.5 5 85 22 22.5 Compression Point vs. Voltage and Temperature Frequency: 500 MHz. Two tone input power: +10 dBm each tone. Tone frequencies: 500 and 501 MHz.

GaAs IC 1 Bit Digital Attenuator 32 dB 2.5 GHz AA104-73 Alpha Industries, Inc.[781] 935-5150 • Fax [617] 824-4579• Emailsales@alphaind.com • www.alphaind.com 3 Specifications subject to change without notice. 5/00A Attenuation vs. Frequency DC–2.5 GHz C BP = 2.2, 2.7, 3.3 and 12 pF Frequency (GHz) Attenuation (dB) -35 -30 -25 -20 -15 -10 12 pF 2.2 pF 2.7 pF 3.3 pF VSWR vs. Frequency DC–2.5 GHz C BP = 2.2, 2.7, 3.3 and 12 pF Frequency (GHz) VSWR 1.0 1.2 1.4 1.6 1.8 2.0 Ins. Loss 12 pF 2.2 pF 2.7 pF 3.3 pF Attenuation vs. Frequency 1.5–2.5 GHz C BP = 2.2, 2.7, and 3.3 pF Frequency (GHz) Attenuation (dB) -30.0 -27.5 -25.0 -22.5 -20.0 -17.5 -15.0 2.2 pF 2.7 pF 3.3 pF Attenuation vs. Frequency DC–0.5 GHz C BP = 220, 1000, 1500 pF Frequency (GHz) Attenuation (dB) -40 -36 -32 -28 -24 -20 1000 pF 1500 pF 220 pF VSWR vs. Frequency DC–0.5 GHz C BP = 220, 1000, 1500 pF Frequency (GHz) VSWR 1.0 1.2 1.4 1.6 1.8 2.0 Ins. Loss 1000 pF1500 pF 220 pF C BL (pF) C BP (pF) Operating Frequency (GHz) 47 2.2 2.00 –2.30 47 2.7 1.80 –2.00 47 3.3 1.60 –1.80 47 12 0.90 –1.05 47 15 0.80 –0.90 330 220 0.20 –0.35 1500 1000 0.07 –0.20 10000 1500 0.015 –0.25

GaAs IC 1 Bit Digital Attenuator 32 dB 2.5 GHz AA104-73 4 Alpha Industries, Inc.[781] 935-5150 • Fax [617] 824-4579• Emailsales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 5/00A -25 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 Max Attenuation (dB) Frequency (GHz) 20 dB State vs. Frequency C BP = 100 pF, CBL = 220 pF, RBP = 15 Ω 20 dB 25˚C 1.00 2.50 2.25 2.00 1.75 1.50 1.25 VSWR Frequency (GHz) VSWR vs. Frequency 20 dB State S22 25˚C S11 25˚C Characteristic Value RF Input Power 1 W > 500 MHz 0/8 V

0.5 W @ 50 MHz 0/8 V

Control Voltage -0.2 V, +8 V Operating Temperature -40 °C to +85°C Storage Temperature -65 °C to +150°C Absolute Maximum Ratings Note: Exceeding these parameters may cause irreversible damage. VHigh = +3 to +5 V. C BL NC/GND RF GND C BL C BP 12 3 65 4 Pin Out Attenuation V1 V2 J1–J2 VHigh 0 Reference I.L. 0V High 32 dB Truth Table Positive Control Positive Voltage C BL = 47 pF for frequencies >500 MHz. See Table on previous page for C BP value. See application notes APN2013 and APN2014 for 6 bit attenuator requirements. C BL NC/GND RF GND C BL R BPC BP 12 3 65 4 C BL = 220 pF , CBP = 100 pF , RBP = 15 Ω , fC = 400 MHz with select values of C BP and RBP , center frequency and attenuation value respectively can be varied.