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PCA-T9

Description
Fixed Attenuator, 0MHz Min, 12400MHz Max
CategoryWireless rf/communication    Radio frequency and microwave   
File Size97KB,2 Pages
ManufacturerCobham Semiconductor Solutions
Download Datasheet Parametric View All

PCA-T9 Overview

Fixed Attenuator, 0MHz Min, 12400MHz Max

PCA-T9 Parametric

Parameter NameAttribute value
MakerCobham Semiconductor Solutions
Reach Compliance Codeunknown
Nominal attenuation9 dB
Characteristic impedance50 Ω
structureCOMPONENT
Maximum input power (CW)31.76 dBm
Maximum operating frequency12400 MHz
Minimum operating frequency
Maximum operating temperature150 °C
Minimum operating temperature-55 °C
RF/Microwave Device TypesFIXED ATTENUATOR
Maximum voltage standing wave ratio1.5
SERIES PCA, PCAA
ATTENUATORS, CHIP
Low Power – DC-1 GHz
8
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 1
2.4 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
L = Lead/Tab (Gold Plated BeCu)
W = Wrap around ground only
F = Wrap around all terminals (flip-chip)
T = Tinned terminals (any terminal type)
G = Gold plated terminals
EXAMPLE:
PCA
or
PCAA
GENERAL SPECIFICATIONS
Impedance
Operating Temperature
Attenuation Stability
50 Ohms
–55°C to +1
50°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
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.
PERFORMANCE SPECIFICATIONS
Attenuation
Increments
(dB)
Note 1
1-3
4-6
7 - 10
1 -1
1 5
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
8-1
2.4 GHz
1
2.4 - 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
8-1
2.4 GHz
PCA, PCAA
PCA, PCAA
Series
Series
1.35
1.35
1.35
1.35
1.35
1.50
1.50
1.50
1.50
1
2.4 - 18 GHz
PCAA
Series Only
1.50
1.50
1.50
KEY:
Inches [Millimeters] .XX ±.03 .XXX ±.010 [.X ±0.8 .XX ±0.25]
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