HIP3™ Variable Attenuator for UMTS Base Stations
AV133-315 Features
■ 23 dB Attenuation Range ■ 1.5 dB Insertion Loss, 1.5 SWR ■ 0–12 V Control Voltage ■ 43 dBm IP3 ■ Small Footprint LGA Package ■ Designed for UMTS Base Stations
Description
The AV133-315 is a voltage controlled variable attenuator from Alpha’s series of HIP3™ components. It is specifically designed and specified for use as a wide dynamic range low distortion attenuator for UMTS base station applications centered at 2140 MHz. The AV133315 employs a monolithic quadrature hybrid and a pair of silicon PIN diodes to achieve the specified low distortion performance. It operates from 0–12 V at 1.6 mA typical control current at maximum attenuation. The AV133-315 is packaged in a small outline LGA (Land Grid Array) surface mount package with the internal elements affixed to an organic BT substrate.
Electrical Specifications at 25°C
Parameter UMTS Frequency Range (BW) Control Voltage (CV) Range Insertion Loss in BW Attenuation Range VSWR in BW IP3 IM3 2140/2145 MHz, CV = 0 V 8 dBm 43 -70 CV = 0 V At FO, CV = 12 V 23 1.5 dBm dBc Condition FO ± 12.5 MHz Min. 2110 0 Typ. Max. 2170 12 1.5 Unit MHz V dB dB
Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/02A
1
HIP3™ Variable Attenuator for UMTS Base Stations
AV133-315
Typical Performance Data
0 0V 4V 8V -10 0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0 2.12 2.13 2.14 2.15 2.16 2.17 0 2 4 6 8 10 12
-20 -30 -40
12 V -50 2.11
Frequency (GHz)
Control Voltage (V)
Loss (dB)
Flatness (dB)
Insertion Loss vs. Frequency and Control Voltage — UMTS Band
-10 -15 14 12 0V 4V -25 -30 -35 -40 2.11
Insertion Loss Flatness vs. Control Voltage — UMTS Band
Return Loss (dB)
Phase (Degrees)
11 V 10 8 6 4 2 0 2.11 0V 2.12 4V 2.13 2.14 2.15 2.16 2.17 8V
-20
8V
12 V
2.12
2.13
2.14
2.15
2.16
2.17
Frequency (GHz)
Frequency (GHz)
Input/Output Return Loss vs. Frequency and Control Voltage — UMTS Band
50 48 2.0
Phase vs. Frequency and Control Voltage — UMTS Band
Total Current (mA)
46 44
1.5
IP3 (dBm)
42 40 38 36 34 32 30 0 2 4 6 8 10 12
1.0
0.5
0
0
3
6
9
12
Control Voltage (V)
Control Voltage (V)
3rd Order Intermod Intercept vs. Control Voltage RF1 = 2.140 GHz, RF2 = 2.145 GHz @ 8 dBm
2
Total Current vs. Control Voltage
Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/02A
HIP3™ Variable Attenuator for UMTS Base Stations
AV133-315
Pin Out (Bottom View)
Vcontrol Vcontrol GND
Connection Diagram
RF IN/OUT B3 GND A3 IN/OUT 10 pF
C1 GND B1 A1 IN/OUT
C2
C3
Vcontrol 10 pF CONTROL VOLTAGE
AV133
A2 GND
RF IN/OUT 10 pF
Vcontrol
Terminal No. A1 A2 A3 B1 B3 C1 C2 C3
Terminal Name IN/OUT GND IN/OUT GND GND Vcontrol GND Vcontrol
0.126 B (3.20 mm) 1
10 pF
-315
0.193 (4.90 mm) A1 0.091 (2.32 mm)
0.000 0.027 (0.68 mm)
0.058 (1.48 mm) 0.081 (2.05 mm)
0.112 (2.85 mm) 0.135 (3.42 mm)
0.166 (4.22 mm) 0.193 (4.90 mm)
Absolute Maximum Ratings
Characteristic RF Input Power Control Voltage Control Current Operating Temperature Storage Temperature Maximum Reverse Diode Voltage Electrostatic Discharge Value 0.5 W CW, 4 W @ 12.5% Duty Cycle 15 V 50 mA Each Diode -40 to +85°C -40 to +85°C -10 V +125 V
0.000 0.037 (1.00 mm) 0.047 (1.20 mm) 0.079 (2.00 mm)
0.079 (2 mm) ENCAP 0.014 (0.36 mm) SUBSTRATE
C1 B1 A1
C2
C3 B3
0.024 (0.60 mm)
A2
A3
0.031 (0.775 mm) 0.054 (1.370 mm)
Note: Operating this device above any of these parameters may cause irreversible damage.
Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/02A
3
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