CER0668A Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated ceramic duplexer.

Features
• Low Insertion Loss
• Low Ripple
• Excellent Rejection and Isolation
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in EGSM
Infrastructure Applications.
CER0668A
925 MHZ Duplexer
Origin Date: June 29, 2008 – Revision Date: July 29, 2008
Weight: 12.0 grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
Sn plated steel.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Low Band Response (S21)
Pass band Ilos s
Passband Ripple
Pass band Return Los s @ Port 2
Pass band Return Los s @ Ant
Attenuation
High Band Response (S13)
Pass band Ilos s
Passband Ripple
Pass band Return Los s @ Port 3
Pass band Return Los s @ Ant
Attenuation
Isolation (S23)
Is olation @ Low Band
Is olation @ Mid Band
Is olation @ High Band
Power into any port
Frequency
MHz
890 - 915
890 - 915
890 - 915
890 - 915
865 - 875
935 - 960
1780 - 1830
935 - 960
935 - 960
935 - 960
935 - 960
890 - 915
975 - 985
1870 - 1920
890 - 915
915 - 935
935 - 960
Typical
@ 25ºC
Specification
Spec over
@ 25ºC
-40ºC to +85ºC
-1.80
-1.00
-15.00
-15.00
-13.00
-50.00
-17.00
-2.30
1.30
-13.00
-13.00
-12.00
-48.00
-15.00
-2.50
1.40
-13.00
-13.00
-12.00
-48.00
-15.00
-1.80
-1.00
-15.00
-15.00
-50.00
-13.00
-17.00
-2.30
1.30
-13.00
-13.00
-48.00
-12.00
-15.00
-2.50
1.40
-13.00
-13.00
-48.00
-12.00
-15.00
-52.00
-42.00
-52.00
5 Watt max
-50.00
-40.00
-50.00
-50.00
-40.00
-50.00
Note: Supplier shall test each filter to the critical electrical specifications of the above table. Any subsequent audits may deviate from in value due to measurement
repeatability among different test systems. Such deviations shall not exceed the following limits:
Specification Allowance
Insertion Loss
0.1 dB
Return Loss
1.0 dB
Stopbands
1.0 dB
•“This product is covered by one or more of the following U.S. and foreign patents including: US 4,692,726;US 4,742,562; US 4,800,348;US 4,829,274;US 5,146,193;EP 0573597;DE 0573597;FR 0573597;JP 508149/92;KR 142171;US 5,162,760;US
5,218,329;US 5,250,916;US 5,327,109;US 5,488,335;CA 2114029;FR 9306297;GB 2273393;JP 3205337;KR 115113;CN 93106228.4;US 5,512,866;EP 0706719;DE 0706719;FR 0706719;GB 0706719;CN 95190359.4;US 5,602,518;US
5,721,520;US 5,745,018;EP 0910875;DE 0910875;DK 0910875;FR 0910875;GB 0910875;IE 0910875;JP 505182/98;KR 10-323013;US 5,994,978;US 6,462,629;CN 00810420.4;US 6,559,735;US 6,650,202;US 6,834,429.Other US and foreign
patents pending.
•CTS Co_Drp_oor_cat_uion_m20_e0_n6_tre_Nse_orve_.s a₀ll₀co₈p_-y₀rig₂ht₅s ₆in_-th₀e layout, design and configuration of the patterns on this product.” _{Page 1 of 2}
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -