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PDF TGL8784-SCC Data sheet ( Hoja de datos )
| Número de pieza | TGL8784-SCC | |
| Descripción | Analog Attenuator | |
| Fabricantes | TriQuint Semiconductor | |
| Logotipo |  |
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T R I Q U I N T S E M I C ON D U C TO R, I N C.
TGL8784-SCC
8784Analog Attenuator
q 2 to 20 -GHz Frequency Range
q 2-dB Insertion Loss at Midband
q 10-dB Input/Output Return Loss
q 13-dB Variable Attenuation Range
q Single Polarity Power Supply Required
q 1,702 x 1,219 x 0,152 mm (0.067 x 0.048 x 0.006 in.)
PHOTO ENLARGEMENT
DESCRIPTION
The TriQuint TGL8784 -SCC is a monolithic variable attenuator which operates from
2 to 20 -GHz. This analog attenuator can operate from a single +2.5 v olt power supply if used with an
external variable voltage divider circuit. Typical RF performance at 10 -GHz is: Insertion Loss 2- dB,
Maximum attenuation: 15 - dB at 10 - GHz, input and output return loss: better than 10 - dB. DC block-
ing capacitors are provided on-chip.
The TGL8784-SCC is an absorptive attenuator designed using MESFET technolog y employing a “PI”
configuration which reduces bias cur rents and simplifies bias networ ks. The broadband capabilities
of this device are versatile in many applications such as telecommunications, military, and space.
This device has a space heritage.
Bond pad and backside metallization is gold plated for compa tibility with eutectic alloy attachment
methods as well as thermocompression and thermosonic wire -bonding processes. The TGL8784 -
SCC is supplied in chip for m and is readily assembled using automated equipment. Groun d is
provided to the circuitr y through vias to the backside metallization.
TriQuint Semiconductor, Inc. • Texas Facilities • (972) 995-8465 • www.triquint.com
1 page  
TGL8784-SCC
TYPICAL S-PARAMETERS
Insertion Loss
Frequency
(GHz)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
19.5
20.0
20.5
21.0
21.5
22.0
S11
dB ANG(°)
-15.34
-70.1
-14.92
-75.4
-14.78
-81.8
-14.50
-87.0
-14.16
-92.0
-13.84
82.1
-13.53
77.2
-13.28
72.6
-13.05
68.1
-12.84
63.8
-12.70
59.5
-12.52
55.4
-12.47
51.8
-12.37
48.2
-12.35
45.1
-12.37
41.2
-12.44
37.9
-12.49
34.2
-12.60
31.1
-12.70
27.8
-12.84
24.6
-13.03
21.2
-13.26
17.7
-13.54
14.1
-13.87 -169.7
-14.31 -173.8
-14.78 -177.7
-15.32
178.8
-15.75
174.6
-16.23
169.7
-16.73
164.4
-17.44
158.9
-18.18
154.2
-19.00
149.2
-19.94
144.8
-20.86
141.8
-22.03
138.4
-23.40
136.5
-25.21
135.6
-27.33
136.2
-29.25
143.4
S21
dB ANG(°)
-1.29
-18.0
-1.31
-23.1
-1.34
-28.1
-1.37
-32.8
-1.41
-37.5
-1.44
-42.1
-1.48
-46.7
-1.52
-51.2
-1.55
-55.6
-1.59
-60.1
-1.63
-64.5
-1.66
-68.9
-1.69
-73.2
-1.72
-77.6
-1.74
-82.0
-1.77
-86.4
-1.79
-90.8
-1.81
-95.2
-1.83
-99.7
-1.85
-104.1
-1.86
-108.6
-1.88
-113.0
-1.90
-117.6
-1.92
-122.1
-1.94
-126.6
-1.96
-131.1
-1.97
-135.8
-1.99
-140.4
-2.02
-145.1
-2.05
-149.7
-2.07
-154.4
-2.09
-159.1
-2.12
-163.9
-2.14
-168.7
-2.16
-173.6
-2.20
-178.4
-2.21
176.7
-2.24
171.7
-2.27
166.6
-2.29
161.4
-2.33
156.2
S12
dB ANG(°)
-1.29
-17.9
-1.31
-23.1
-1.35
-28.1
-1.37
-32.8
-1.41
-37.5
-1.45
-42.1
-1.48
-46.6
-1.52
-51.1
-1.55
-55.6
-1.59
-60.1
-1.63
-64.5
-1.66
-68.8
-1.69
-73.2
-1.72
-77.6
-1.74
-82.0
-1.77
-86.4
-1.79
-90.8
-1.82
-95.2
-1.83
-99.6
-1.85
-104.1
-1.86
-108.6
-1.88
-113.1
-1.90
-117.6
-1.93
-122.1
-1.94
-126.6
-1.96
-131.2
-1.97
-135.8
-1.99
-140.4
-2.02
-145.1
-2.05
-149.7
-2.07
-154.4
-2.10
-159.1
-2.12
-163.9
-2.14
-168.7
-2.17
-173.6
-2.20
-178.4
-2.22
176.7
-2.24
171.7
-2.25
166.6
-2.30
161.4
-2.33
156.2
S22
dB ANG(°)
-15.26
-70.5
-15.22
-77.4
-14.88
-83.1
-14.59
-88.8
-14.43
-94.7
-14.05
79.3
-13.80
73.9
-13.65
68.3
-13.47
62.8
-13.36
57.6
-13.22
53.1
-13.11
47.7
-13.13
43.4
-13.15
38.3
-13.22
33.6
-13.22
29.2
-13.30
25.2
-13.32
20.9
-13.46
16.8
-13.57
12.5
-13.71
8.7
-13.79
4.9
-13.92
1.0
-14.00
-2.3
-14.05
174.4
-14.08
171.5
-14.18
169.0
-14.29
166.4
-14.33
163.5
-14.31
160.2
-14.25
156.6
-14.26
153.2
-14.37
149.9
-14.42
146.8
-14.55
143.8
-14.73
140.8
-15.13
138.4
-15.52
136.0
-15.87
133.3
-16.28
131.1
-16.73
128.7
TA = 25°C, +VCC = +2.5 V, +VC = 0 V
Reference planes for S -parameter data include bond wires as specified in the “Recom mended Assembly Diagram.”
TriQuint Semiconductor, Inc. • Texas Facilities • (972) 995-8465 • www.triquint.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TGL8784-SCC.PDF ] | |
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