CHM1608U

CHM1608U Series MULTILAYER CERAMIC BALUN DESCRIPTION TOKO’s CHM1608U Series is a multilayer ceramic balun transformer designed for a variety of wireless applications. TOKO’s proprietary material and filter design expertise provide for excellent performance and exceptional reliability in this economical and compact integrated ceramic structure. FEATURES Miniature footprint: 1.6 x 0.8mm Low profile: 0.9 mm max. Integrated ceramic structure Operating temperature: - 55°C to + 125°C Reflow solderable DIMENSIONS Units: mm 3 4 NC Unbalanced Port 2 5 DC Bias or GND GND 1 6 Balanced Port Balanced Port ELECTRICAL SPECIFICATIONS TOKO Part Number CHM1608U-F2R4AD CHM1608U-F2R4BD CHM1608U-F2R4CD Passband (MHz) 2400 - 2500 2400 - 2500 2400 - 2500 Unbalanced Port Impedance (Ω) 50 50 50 Balanced Port Impedance (Ω) 50 100 200 Insertion Loss (dB) max. 1.1 1.2 1.2 Return Loss (dB) min. 10 10 10 Phase Imbalance (deg.) 180 ± 8 180 ± 8 180 ± 8 Amplitude Balance (deg.) 0 ± 1.5 0 ± 1.5 0 ± 1.5 March 2005  2005 TOKO America, Inc. All Rights Reserved Printed in USA CF-224-CHM1608U 1 CHM1608U Series MULTILAYER CERAMIC BALUN CHM1608U-F2R4AD Insertion Loss and Return Loss Phase CHM1608U-F2R4BD Insertion Loss and Return Loss Phase CHM1608U-F2R4CD Insertion Loss and Return Loss Phase The information furnished by TOKO, Inc., is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification, or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. TOKO America, Inc. 1250 Feehanville Drive, Mt. Prospect, IL 60056 Tel: 800-PIK-TOKO or 847-297-0070 Fax: 847-699-7864 Web: http:// www.tokoam.com March 2005  2005 TOKO America, Inc. All Rights Reserved Printed in USA CF-224-CHM1608U 2