PC1908DE-21
Features
•
•
•
•
Low Cost
Industry Standard 0.75 Inch Drop-in package
Designed for Wireless Telecom Systems
50 Ohms Characteristic Impedance
The PC1908DE-21 is a small low cost drop-in circulator designed
for applications in high performance linear power amplifiers for
wireless base stations. These circulators feature a robust
construction for high reliability with excellent IMD performance.
CCW rotation and special tab offsets available on request.
S-Parameters are also available on request.
DROP-IN CIRCULATOR
Description
Specifications
Parameter
Frequency Range (MHz)
Insertion Loss (dB)
Isolation (dB)
Return Loss (dB)
IMD (dBc) 2T x 37.5 Watts
20
20
-70
Minimum
1895
<. 17
>28
>28
-75
Typical
Maximum
1920
.30
Absolute Maximum Ratings
Parameter
Power
Operating Temperature
Storage Temperature
Maximum
100 Watts CW
-40 to +85
°C
-40 to +85
°C
Note: Typical values represent Mid-band performance @ 25°C.
Schematic
.75
Package
Pin Functions
Function
INPUT
.75
Pin
1
2
3
OUTPUT
TERMINATED
.25
MAX.
Typical Test Data – Insertion Loss
Insertion Loss
0.00
-0.05
S21
-0.10
dB
-0.15
-0.20
Typical Test Data – Return Loss and Isolation
Return Loss and Isolation
-20
-25
dB
-30
-35
S11
S22
S12
-0.25
-0.30
1865
1885
1905
Frequency (MHz)
1925
1945
-40
1865
1885
1905
Frequency (MHz)
1925
1945
Specifications and information on this data sheet are subject to change without notice.
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