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Silicon Bipolar MMIC 1.5 GHz Variable Gain Amplifier Technical Data
IVA-05208
Features
* Differential Input and Output Capability * DC to 1.5 GHz Bandwidth; 2.0 Gb/s Data Rates * High Gain: 30 dB Typical * Wide Gain Control Range: 30 dB Typical * 5 V Bias * 5 V Vgc Control Voltage, Igc < 3mA * Fast Gain Control Response: < 10 ns Typical * Low Cost Plastic Surface Mount Package
Description
The IVA-05208 is a variable gain amplifier housed in a miniature low cost plastic surface mount package. This device can be used in any combination of singleended 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 for fiber optic systems (e.g., SONET) with data rates up to 2.0 Gb/s, mobile radio and satellite receivers, millimeter wave receiver IF amplifiers and communication receivers.
SO-8 Package
PIN 1
The IVA series of variable gain amplifiers is fabricated using HP's 10 GHz fT, 25 GHz fMAX ISOSATTM-I 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.
Typical Biasing Configuration and Functional Block Diagram
Differential Input / Differential Output
C block Input 1 2 Vee = 0 V 3 4 C block 8 7 Output - 6 5 C block Output + Input C block VCC = 5 V C bypass C bypass Vgc
Single Ended Input / Single Ended Output
C block Input 1 2 Vee = 0 V 3 4 8 7 6 5 C block Output + C bypass C block VCC = 5 V C bypass C bypass Vgc 50 *
C bypass = 1000 pF typical Good grounding of Pins 2, 3 is critical for proper operation and good VSWR performance of this part.
* Optional: For Single-Ended Output operation, Pin 7 may be left unterminated (no C block or 50 )
6-177
5965-9682E
IVA-05208 Absolute Maximum Ratings
Symbol VCC-Vee Parameter Device Voltage Power Dissipation[2,3] Input Power Vgc -Vee TJ TSTG Junction Temperature Storage Temperature Units V mW dBm V C C Absolute Maximum[1] 8 600 +14 7 150 -65 to 150 Thermal Resistance[2]: jc = 150C/W
Notes: 1. Permanent damage may occur is any of these limits are exceeded. 2. TCASE = 25C. 3. Derate at 6.67 mW/C for TC > 60C.
IVA-05208 Electrical Specifications[1], TA = 25C
Symbol Gp Gp f3dB GCR ISO Parameters and Test Conditions:[2] VCC = 5 V, Vee = 0 V, Vgc = 0 V, ZO = 50 Power Gain (|S21|2) Gain Flatness 3 dB Bandwidth[3] Gain Control Range[4] Reverse Isolation (|S21|2) Input VSWR VSWR Output VSWR NF P1dB VOUT IP3 tD ICC 50 Noise Figure Output Power at 1 dB Gain Compression Peak-to-Peak Single-Ended Output Voltage Output Third Order Intercept Point Group Delay Supply Current f = 0.5 GHz Vgc = 0 to 5 V f = 0.5 GHz Vgc = 0 to 5 V f = 0.05 to 1.5 GHz Vgc = 0 to 5 V f = 0.05 to 1.5 GHz Vgc = 0 to 5 V f = 0.5 GHz f = 0.5 GHz f = 0.5 GHz f = 0.5 GHz f = 0.5 GHz dB dBm mVpp dBm psec mA 25 f = 0.5 GHz f = 0.05 to 1.0 GHz Units dB dB GHz dB dB 1.2 25 Min. 25 Typ. 30 0.8 1.8 30 45 2.0:1 2.5:1 9 -3 450 7 400 35 50 Max.
Notes: 1. The recommended operating voltage range for this device is 4 to 6 V. Typical performance as a function of voltage is on the following page. 2. As measured using Input Pin 1 and Output Pin 6, with Output Pin 7 terminated into 50 ohms and Input Pin 4 at AC ground. 3. Referenced from 50 MHz Gain. 4. The recommended gain control range for these devices for dynamic control is 0 to 4.2 V. Operation at gain control settings above 4.2V may result in gain increase rather than gain decrease.
6-178
IVA-05208 Typical Performance, TA = 25C, VCC = 5 V, Vee = 0 V
40 Vgc < 2.4 V 50 20 P1 dB (dBm) G P (dB) ICC GP -4 30 ICC (mA) -2 40 GP (dB) 40 0 60 2 P1 dB 50 60
0 3.4 V 3.7 V 4.0 V 5.0 V
30
-20
20
-6
20
-40 0.1
10 0.2 0.5 1.0 2.0 4.0 FREQUENCY (GHz)
-8 3 4 5 VCC (V) 6 7
10
Figure 1. Typical Variable Gain vs. Frequency.
Figure 2. Power Gain and P1 dB at 0.5GHz and ICC vs. Bias Voltage with Vgc = 0 V.
6 0 GP = 30 dB 5 4 3 Igc (mA) -5 GP = 15 dB
40 GP 30 20 10 0 P1 dB
P1 dB (dBm)
P1 dB (dBm)
-10 GP = 5 dB -15
2
-10 Igc -20 0 1 2 Vgc (V) 3 4 5
1 0
-20
GP = -5 dB
-25 0.01
0.2
0.5
1.0
2.0
4.0
FREQUENCY (GHz)
Figure 3. Power Gain and P1 dB at 0.5GHz and Igc vs. Gain Control Voltage.
Figure 4. P1 dB vs. Frequency.
35 GP = 10 dB 25 NF (dB) GP = 15 dB VSWR INPUT Vgc = 0 V Vgc = 5 V OUTPUT Vgc = 0 V Vgc = 5 V 2:1
3:1
GP = 20 dB 15 GP = 25 dB
GP = 30 dB 5 0.01 0.2 0.5 1.0 2.0 4.0 1:1 0.1 0.2 0.5 1.0 2.0 4.0
FREQUENCY (GHz)
FREQUENCY (GHz)
Figure 5. Noise Figure vs. Frequency.
Figure 6. Input and Output VSWR vs. Frequency, Vgc = 0 - 5 V.
6-179
IVA-05208 Typical Performance, continued, TA = 25C, VCC = 5 V, Vee = 0 V
700 GP =30 dB 38 ICC 36
P1 dB (dBm)
38
-2.2
36
tD (psec)
P1 dB -2.6 32
GP = -3 dB GP = 5 dB 300
32
30
-2.8 GP
30
28 0.1 0.2 0.5 1.0 2.0 4.0 FREQUENCY (GHz)
-3.0 -55
-25
+25
+85
28 +125
TEMPERATURE (C)
Figure 7. Group Delay vs. Frequency.
Figure 8. Power Gain and P1 dB at 0.5GHz and ICC vs. Case Temperature with Vgc = 0 V.
IVA-05208 Part Number Ordering Information
Part Number IVA-05208-TR1 IVA-05208-STR Number of Devices 1,000 10 Container 7" Reel Strip
SO-8 Package Dimensions
1.27 (.050) 6x
3.80/4.00 (.1497/.1574)
V052
5.84/6.20 (.230/.244)
Pin 1 1.35/1.75 (.0532/.0688) 4.72/5.00 (.186/.197)
0.38 0.10 (.015 .004) x 45
0/8
0.10 (.004)
0.33/0.51 (.013/.020) 8X
0.10/0.25 (.004/.0098) 0.41/1.27 (.016/.050)
0.19/0.25 (.0075/.0098)
Note: 1. Dimensions are shown in millimeters (inches).
6-180
ICC (mA)
GP (dB)
500
34
-2.4
34

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