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Part: IVA-14228
Category:
RF & Microwaves
-> Amplifiers
-> Small Signal Amplifiers
Description: Silicon Bipolar Mmic 2.5 GHZ Variable Gain Amplifier
Company: Agilent Technologies, Inc.
Datasheet: Download IVA-14228 datasheet File size : 54 kB
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Datasheet text preview:
Silicon Bipolar MMIC 2.5 GHz Variable Gain Amplifier Technical Data
IVA-14208 IVA-14228
Features
· Differential Input and Output Capability · DC to 2.5 GHz Bandwidth; 3.4 Gbits/s Data Rates · High Gain: 24 dB Typical · Wide Gain Control Range: 34 dB Typical · 6 V Bias · 5 V VGC Control Range, IGC <3 mA · Fast Gain Response: <10 nsec Typical · IVA-14208: Low Cost Plastic Surface Mount Package · IVA-14228: Hermetic Ceramic Surface Mount Package
Description
The IVA-14 series MMlCs are variable gain amplifiers. The IVA-14208 is housed in a miniature low cost plastic surface mount package. The IVA-14228 is housed in a miniature hermetic ceramic surface mount package. Both devices can be used in any combination of single-ended or differential inputs or outputs (see Functional Block Diagram). The lowest frequency of operation is limited only by the values of user selected blocking and bypass capacitors. Typical applications include variable gain amplification or limiting for fiber optic systems (e.g. SONET) with data rates up to 3.4 Gbits/s, mobile radio and satellite receivers, millimeter wave receiver IF amplifiers and communications receivers. The IVA series of variable gain amplifiers is fabricated using Agilent's 10 GHz fT, 25 GHz fMAX ISOSATTM-1 silicon bipolar process. This process uses nitride self-alignment, submicrometer lithography, trench isolation, ion implantation, gold metallization and polyimide inter-metal dielectric and scratch protection to achieve excellent performance, uniformity and reliability.
IVA-14208 Plastic SO-8 Package
PIN 1
IVA-14228 Ceramic `28' Package
PIN 1
Functional Block Diagram and Pin Configuration
PIN 1 PIN 8
30 VGC < 3 V 20 3.75 V 10
GAIN (dB)
4.0 V 0 -10
-20
5.0 V
-30 0.1
1.0 FREQUENCY (GHz)
3.0
PIN DESCRIPTION 1. 2. 3. 4. INPUT + V EE , AC GROUND V EE , AC GROUND INPUT 8. 7. 6. 5. V GC OUTPUT + OUTPUT V CC
Figure 1. IVA-14228 Typical Variable Gain vs. Frequency and VGC at VCC = 6 V, Tcase = 25°C.
IVA-14228 PACKAGE BOTTOM IS V EEAC GROUND.
2
IVA-14208, -14228 Absolute Maximum Ratings[1]
Symbol V C-VEE C Pin V C-VEE G Ti Tstg Pt Parameter Device Voltage, Tcase = 25°C Input Power, Tcase = 25°C Control Voltage, Tcase = 25°C Junction Temperature+ Storage Temperature Total Device Dissipation Units Volts dBm Volts °C °C mW IVA-14208 12 13 10 150 - 65 to +150 1000[2] IVA-14228 12 13 10 200 - 65 to +200 1000[3]
Thermal Resistance: IVA-14208 Thermal Resistance Junction to Case[4]: jc = 68°C/W IVA-14228 Thermal Resistance Junction to Case[4]: jc = 63°C/W
Notes: 1. Operation in excess of any one of these conditions may result in permanent damage to the device. 2. Tcase = 25°C. Derate at 14.7 mW/°C for Tcase > 82°C. 3. Tcase = 25°C. Derate at 15.9 mW/°C for Tcase > 137°C. 4. Tj = 150°C.
IVA-14208, -14228 Guaranteed Electrical Specifications All measurements reflect single-ended (unbalanced) performance. Tcase = 25°C. VCC = 6 V, VEE = 0 V, VGC = 0 V, Z L = 50 IVA-14208 Symbol GP GP f3dB GCR ISO VSWR Parameter Power Gain (|S21|2), f = 1 GHz Gain Flatness, f = 0.05 to 2 GHz 3 dB Bandwidth Gain Control V C = 0 to 5 V G Range[2], f = 1 GHz, Units dB dB GHz dB dB 2.0 30 Min. 20 IVA-14228 Typ. 24 ± 0.7 2.2 30 2.5 34 40 2:1 2.5:1 9.0 -2.0 450 8 450 48 28 38 48 Max. Typ. Max. Min. 24 ± 1.2 2.5 34 37 2:1 2:1 dB dBm mVpp dBm psec mA 28 9.0 -2.0 450 8 450 38 22
Reverse Isolation (|S12|2), f = 1 GHz, V C = 0 to 5 V G Input VSWR, f = 0.05 to 2.0 GHz, V C = 0 to 5 V G Output VSWR, f = 0.05 to 2.0 GHz, V C = 0 to 5 V G
NF PldB V UT O IP3 tD Icc
50 Noise Figure, f = 1 GHz Output Power at 1 dB Gain, Compression f = 1 GHz Pk-Pk Single-ended Output Voltage, f = 1 GHz Third Order Intercept Point, f = 1 GHz Group Delay, f = 1 GHz Supply Current
Notes: 1. The recommended operating voltage range for these devices is 5 to 8 V. Typical performance as a function of voltage is shown in the graphs on the following pages. 2. The recommended gain control range for these devices for dynamic control is 0 to 4.2 V. Operation at gain control settings above 4.2 V may result in gain control increase rather than gain decrease. See figures 4 and 19.
3
IVA-14228 Typical Performance Curves
30 VGC < 3 V
INPUT +
V GC
20 3.75 V 10
GAIN (dB)
OUTPUT +
4.0 V 0 -10
50 INPUT V CC
-20
5.0 V
ALL C = 1000 pF
-30 0.1
1.0 FREQUENCY (GHz)
3.0
Figure 2. IVA-142X8 Connection Diagram Showing Balanced Inputs and Unbalanced Outputs. Inputs and Outputs May Be Either Balanced or Unbalanced.
Figure 3. IVA-14228 Gain vs. Frequency and VGC; VCC = 6 V, Tcase = 25°C.
4
30 20
P 1dB (dBm), GAIN (dB)
25 GAIN 20
NOISE FIGURE (dB)
10 0 P 1dB -10 -20 -30 -40 0 1 2 3 4 5 V GC (VOLTS)
3
I GC (mA)
VGC = 3.75 V 15
2
10
VGC = 0 V
1
5 0.1
0
1.0 FREQUENCY (GHz) 3.0
0
1
2
3
4
5
VGC (VOLTS)
Figure 4. IVA-14228 P1dB and Gain vs. VGC; VCC = 6 V, Tcase = 25°C.
4:1
Figure 5. IVA-14228 Noise Figure vs. Frequency and VGC; VCC = 6 V, Tcase = 25°C.
3:1
Figure 6. IVA-14228 I GC vs. VGC; 6 V, Tcase = 25°C.
500
VCC =
400
OUTPUT
VSWR
2:1 INPUT
TIME DELAY (pS)
3:1
VSWR
300
OUTPUT 2:1 INPUT
200
1:1 0.1
1.0 FREQUENCY (GHz)
3.0
1:1 0.1
1.0 FREQUENCY (GHz)
3.0
100 0.1
1.0 FREQUENCY (GHz)
3.0
Figure 7. IVA-14228 VSWR vs. Frequency; VCC = 6 V, VGC = 0 V, Tcase = 25°C.
Figure 8. IVA-14228 VSWR vs. Frequency; VCC = 6 V, VGC = 5 V, Tcase = 25°C.
Figure 9. IVA-14228 Group Delay vs. Frequency; VGC = 0 V, VCC = 6 V, Tcase = 25°C.
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