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PDF TGA4954-SL Data sheet ( Hoja de datos )
| Número de pieza | TGA4954-SL | |
| Descripción | Optical Modulator Driver | |
| Fabricantes | TriQuint Semiconductor | |
| Logotipo |  |
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Advance Product Information
April 4, 2006
9.9 - 12.5 Gb/s Optical Modulator Driver
TGA4954-SL
Key Features and Performance
• Wide Drive Range (3V to 10V)
• Single-Ended Input/Output
• Low Power Dissipation
(1.1W @ 6Vo)
• Low Rail Ripple
• 25psec Edge Rates (20/80%)
• Hot-pluggable
Product Description
The TriQuint TGA4954-SL is part of a series of
surface mount modulator drivers suitable for a
variety of driver applications and is compatible with
Metro MSA standards.
• Package Dimensions:
11.4 x 8.9 x 2.0 mm
(0.450 x 0.350 x 0.080 inches)
Primary Applications
• Mach-Zehnder Modulator Driver
Measured Data
The 4954 consists of two high performance
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wideband amplifiers combined with off chip circuitry
assembled in a surface mount package. A single
4954 placed between the MUX and Optical
Modulator provides OEMs with a board level
modulator driver surface mount solution.
Vdd=5V; Id1=65mA; Id2=115mA; Vctrl1=-0.2V;
Vctrl2=+0.2V
36
15
32
28
S21
S11
24 S22
10
5
0
20 -5
16 -10
12 -15
The 4954 provides Metro and Long Haul designers
with system critical features such as: low power
dissipation (1.2W at Vo = 6V), low rail ripple, high
voltage drive capability at 5V bias (6 V amplitude
adjustable to 3 V), low output jitter, and low input
drive sensitivity (250mV at Vo = 6V).
8
4
0
0
5 10 15
Frequency (GHz)
-20
-25
-30
20
The 4954 requires external DC blocks, a low
frequency choke, and control circuitry.
Vout=6Vpp
Evaluation boards available upon request.
Lead Free & RoHS compliant.
Note: This device is early in the characterization process prior to finalizing all electrical test specifications. Specifications are subject to
change without notice.
1
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: [email protected] Web: www.triquint.com
1 page  
Advance Product Information
April 4, 2006
Measured Data
TGA4954-SL
Vdd=5V; Id1=65mA; Id2=115mA; Vctrl1=-0.2V; Vctrl2=+0.2V
36
32
28
24
20
16
12
8
4
0
0
0
-5
-10
24
S11
S22
6 8 10 12 14 16 18 20
Frequency (GHz)
-15
-20
-25
-30
-35
-40
0 2 4 6 8 10 12 14 16 18 20
Frequency (GHz)
5
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: [email protected] Web: www.triquint.com
5 Page 
Advance Product Information
April 4, 2006
TGA4954-SL
Production - Post Alignment - Bias Procedure
Vdd=5V, Vo=6Vamp, CPC=50%
(Hot-Pluggable)
Bias Network Initial Conditions -
Vg1= As found during initial alignment
Vg2=-As found during initial alignment
Vctrl1=-0.2V
Vctrl2=As found during initial alignment
Vdd=5V
Bias ON
1. Mux output can be either Enabled or Disabled
2. Apply Vg1, Vg2, Vctrl1 and Vctrl2 in any sequence.
3. Apply Vdd.
4. Enable the output of the MUX
5. Output Swing Adjust: Adjust Vctrl2 slightly positive to increase output swing or adjust
Vctrl2 slightly negative to decrease the output swing.
6. Crossover Adjust: Adjust Vg2 slightly positive to push the crossover down or adjust
Vg2 slightly negative to push the crossover up.
Bias OFF
1. Remove Vdd.
2. Remove Vg1, Vg2, Vctrl1 and Vctrl2
in any sequence.
11
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: [email protected] Web: www.triquint.com
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TGA4954-SL.PDF ] | |
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