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PCAW-T11

Description
Fixed Attenuator, 0MHz Min, 18000MHz Max, ROHS COMPLIANT PACKAGE-2
CategoryWireless rf/communication    Radio frequency and microwave   
File Size63KB,2 Pages
ManufacturerCobham PLC
Download Datasheet Parametric View All

PCAW-T11 Overview

Fixed Attenuator, 0MHz Min, 18000MHz Max, ROHS COMPLIANT PACKAGE-2

PCAW-T11 Parametric

Parameter NameAttribute value
MakerCobham PLC
Reach Compliance Codeunknown
Nominal attenuation11 dB
Characteristic impedance50 Ω
structureCOMPONENT
Maximum input power (CW)31.76 dBm
JESD-609 codee4
Maximum operating frequency18000 MHz
Minimum operating frequency
Maximum operating temperature150 °C
Minimum operating temperature-55 °C
RF/Microwave Device TypesFIXED ATTENUATOR
Terminal surfaceSILVER OVER NICKEL
Maximum voltage standing wave ratio1.5
SERIES PCA, PCAA
ATTENUATORS, CHIP
Low Power – DC-18 GHz
FEATURES
Laser Trimmed
Temperature Stable
GENERAL INFORMATION
The PCA and PCAA Series consists of a laser trimmed distrib-
uted thin film element on an alumina ceramic substrate with
solderable terminals. Two sizes are available. The PCA size
operates to 12.4 GHz and the PCAA size operates to 18.0 GHz.
Both sizes are available with leads and wrap around conduc-
tors for ease of installation. The PCAF and PCAAF options are
designed for “flip-chip” application in lower frequency circuits.
PCA & PCAA SERIES DATA
Substrate: 96% Alumina
Solderable Terminals: Electroplated Silver over Nickel
Resistive Element: Proprietary Thin Film
Wrap around Ground Terminal available, “W” option
Wrap around-all terminals—“F” option
Standard values 1, 2, 3, 4, 5, 6, 10, 20 dB
Non-std. values available as special order
ORDERING INFORMATION
The attenuators listed are available in 1 dB increments from 1
through 20 dB. When ordering, to specify the correct part num-
ber for the desired attenuation value, select any of the series
listed and add the attenuation value desired to the basic series
designation.
Options (Note 4)
L = Lead/Tab (Gold Plated BeCu)
W = Wrap around ground only
F = Wrap around all terminals (flip-chip)
T = Tinned terminals (any terminal type) Sn63
H = Tinned terminals (any terminal type) Sn96
G = Gold plated terminals
EXAMPLE:
PCA
or
PCAA
GENERAL SPECIFICATIONS
Impedance
Operating Temperature
Attenuation Stability
50 Ohms
–55°C to +150°C
0.0001 dB/dB/°C
AVERAGE POWER DERATING CURVE
POWER DERATING
% OF RATED POWER
100
75
50
25
0
25
85
150°C
(x)
(x)
Option(s)
T
H
G
dB
Value
Basic Option(s)
Series
L
W
F
EXAMPLES:
PCAW-T3
PCAAF-G3
NOTES
1. Performance of other dB values vary dependent on attenuation.
Contact factory for specifications for fractional dB values.
2. Performance is based on device mounted in matched 50 Ohm line.
3. Rated power 1.5 Watts input PCA, 100 mw PCAA.
4. Tinning with Sn96 “Lead Free” high temperature solder will maintain RoHS
compliance.
PERFORMANCE SPECIFICATIONS
Increments
(dB)
Note 1
1-3
4-6
7 - 10
11 - 15
16 - 20
DC - 4 GHz
PCA, PCAA
Series
±
0.5
±
0.5
±
0.5
±
0.75
±
1.0
Attenuation Accuracy (dB) Note 2
4 - 8 GHz
8 - 12.4 GHz
12.4 - 18 GHz
PCA, PCAA
PCA, PCAA
PCAA
Series
Series
Series Only
±
0.5
±
0.5
±
0.5
+0.5
-3.0
+0.5
-4.0
±
0.5
±
0.5
±
0.75
+0.5
-4.0
±
0.5
±
0.75
±
1.0
DC - 4 GHz
PCA, PCAA
Series
1.25
1.25
1.25
1.25
1.25
VSWR (Typical) Note 2
4 - 8 GHz
8 - 12.4 GHz 12.4 - 18 GHz
PCA, PCAA
PCA, PCAA
PCAA
Series
Series
Series Only
1.35
1.35
1.35
1.35
1.35
1.50
1.50
1.50
1.50
1.50
1.50
1.50
KEY:
Inches [Millimeters] .XX ±.03 .XXX ±.010 [.X ±0.8 .XX ±0.25]
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