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PDF iT3020 Data sheet ( Hoja de datos )
| Número de pieza | iT3020 | |
| Descripción | 10-GHz variable gain amplifier | |
| Fabricantes | Iterra | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de iT3020 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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iT3020
10 GHz Variable Gain Amplifier
Description
Features
www.DataSheet4U.com
The iT3020 is a highly linear low noise differential variable gain amplifier with a bandwidth of DC
to 10 GHz. It is suitable for Automatic Gain Control (AGC) in high bandwidth applications such as
a 10/12.5 Gb/s STM-64/OC-192 receiver front end. Offset correction and shutoff control are
provided. Both AC and DC coupling are allowed at the input and output. High sensitivity allows
the device to be used at the output of a transimpedance amplifier.
3-dB bandwidth: 10 GHz
Differential gain: 29 dB
Bias supply: -5 V, 156 mA, and +5 V, 74 mA
Power consumption: 1150 mW
Gain control: 30 dB
CMRR: Better than 25 dB
DC offset correction
Low RMS jitter
Low-cost JEDEC QFP-N (MO-220) package
Absolute
Maximum
Ratings
S ymbol Parameters/conditions
Vee Power supply voltage negative
Vcc Power supply voltage positive
Vd Applied voltage at data input (differential)
Vm Applied voltage at data input (single ended)
Ioffset(+),(-) Offset control current
T ch Maximum channel temperature
T stg Storage temperature
Min.
-6
0
-65
Max.
0
6
3
1.5
5
150
150
Units
V
V
V
V
mA
oC
°C
Recommended
Operating
Conditions
Symbol
Tc
Vee
Vcc
Iee
Icc
BR
Vimn
Vgc
Vsh
Vin_DC
Vd_max
Vm_max
Parameters/conditions
Operating temperature range (T case)
Power supply voltage
Power supply voltage
Negative bias supply current
Positive bias supply current
Bit rate
Offset control voltage
Gain control voltage
Shut-off control voltage
Input/output interface
Input DC voltage (DC coupling)
Maximum differential input signal for linear mode
Maximum single-ended input signal for linear mode
Min.
0
-5.25
4.75
146
65
-5
-3.2
-5
Typ.
-5
5
156
74
AC and DC coupled
0
Max.
85
-4.75
5.25
167
82
12.5
5
0
0
40
40
Units
oC
V
V
mA
mA
Gb/s
V
V
V
V
mVpp
mVpp
www.iterrac.com
This is a Production data sheet. See “Product Status Definitions”
on Web site or catalog for product development status.
March 27, 2006 Doc. 4084 Rev 2
1
iTerra Communications
2400 Geng Road, Ste. 100, Palo Alto, CA 94303
Phone (650) 424-1937, Fax (650) 424-1938
1 page  
iT3020
10 GHz Variable Gain Amplifier
S-Parameter Data,
Varying Vgc
(Gain Control)
(Measured on connectorized
Evaluation board)
Vee =-5 V, Vcc = 5 V
Iee = 156 mA, Icc = 74 mA
www.DataSheet4U.com
60
50
40
30
20
10
0
-10
-20
-30
0
iT3020 Gain Control
0V
-2.5V
-3.2V
-1.5V
-2.8V
-2V
-3V
2 4 6 8 10 12 14 16 18
Freq (GHz)
20
10
0
-10
-20
-30
-40
-50
0
iT3020 Input Return Loss
vs Gain Control
0V
-2 .5V
-3 .2 V
-1V
-2 .8 V
-2 V
-3 V
2 4 6 8 10 12 14 16 18
Freq (GHz)
15
10
5
0
-5
-10
-15
-20
-25
-30
0
iT3 0 2 0 Output R e turn Lo s s
v s Ga in C o ntro l
-3.2V
-2.5V
0V
-3V
-2V
-2.8V
- 1V
2 4 6 8 10 12 14 16 18
F re q (GHz)
Gain vs. Vgc
30
20
10
0
-10
-20
-30
-4
-3.5 -3
-2.5 -2 -1.5
Vgc (V)
-1 -0.5
0
www.iterrac.com
This is a Production data sheet. See “Product Status Definitions”
on Web site or catalog for product development status.
March 27, 2006 Doc. 4084 Rev 2
5
iTerra Communications
2400 Geng Road, Ste. 100, Palo Alto, CA 94303
Phone (650) 424-1937, Fax (650) 424-1938
5 Page 
Square Wave
Performance
Varying Vgc
At 5 Gb/s
Vee = -5 V, Iee = 156 mA
Vcc = 5 V, Icc = 74 mA
Vin = 25 mV pp
www.DataSheet4U.com
iT3020
10 GHz Variable Gain Amplifier
Vgc =0 V
Vout = 662.7 mV pp, Overshoot = 3.1 %
Vgc = -1.5 V
Vout = 581.9 mVpp, Overshoot = 3.26 %
Vgc = -2 V
Vout = 440.5 mVpp, Overshoot = 0.72 %
Vgc = -2.5 V
Vout = 244.4 mVpp, Overshoot = 0.2 %
www.iterrac.com
Vgc = -2.7 V
Vout = 147.6 mVpp, Overshoot = 0.84 %
This is a Production data sheet. See “Product Status Definitions”
on Web site or catalog for product development status.
March 27, 2006 Doc. 4084 Rev 2
11
Vgc = -3 V
Vout = 37.3 mVpp, Overshoot = 4.44 %
iTerra Communications
2400 Geng Road, Ste. 100, Palo Alto, CA 94303
Phone (650) 424-1937, Fax (650) 424-1938
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet iT3020.PDF ] | |
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