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RO3104A Datasheet(PDF) 2 Page - Murata Manufacturing Co., Ltd. |
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RO3104A Datasheet(HTML) 2 Page - Murata Manufacturing Co., Ltd. |
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2 / 2 page  www.RFM.com E-mail: info@rfm.com Page 2 of 2 © 2009-2011 by RF Monolithics, Inc. RO3104A - 6/28/11 Electrical Connections The SAW resonator is bidirectional and may be installed with either orientation. The two terminals are interchangeable and unnumbered. The callout NC indicates no internal connection. The NC pads assist with mechanical positioning and stability. External grounding of the NC pads is recommended to help reduce parasitic capacitance in the circuit. Typical Test Circuit The test circuit inductor, LTEST, is tuned to resonate with the static capacitance, CO, at FC. Typical Application Circuits Equivalent Model Temperature Characteristics The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions. Case Terminal Terminal ELECTRICAL TEST From 50 Ω Network Analyzer To 50 Ω Network Analyzer 50 Ω Source at F C REFLECTED INCIDENT P P Low-Loss Matching Network to 50 Ω Terminal Terminal NC NC POWER TEST CW RF Power Dissipation = INCIDENT - REFLECTED P P C1 C2 L1 (Antenna) +9VDC 47 RF Bypass Modulation Input Typical Low-Power Transmitter Application RO3XXXA Bottom View 470 200k Ω C1 C2 L1 Output +VDC RF Bypass +VDC Typical Local Oscillator Applications RO3XXXA Bottom View Dimensions Millimeters Inches Min Nom Max Min Nom Max A 4.87 5.00 5.13 0.191 0.196 0.201 B 3.37 3.50 3.63 0.132 0.137 0.142 C 1.45 1.53 1.60 0.057 0.060 0.062 D 1.35 1.43 1.50 0.040 0.057 0.059 E 0.67 0.80 0.93 0.026 0.031 0.036 F 0.37 0.50 0.63 0.014 0.019 0.024 G 1.07 1.20 1.33 0.042 0.047 0.052 H - 1.04 - - 0.041 - I - 1.46 - - 0.058 - J - 0.50 - - 0.019 - K - 1.05 - - 0.041 - L - 1.44 - - 0.057 - M - 0.71 - - 0.028 - 0.05 pF* 0.05 pF Cp Co + = *Case Parasitics Cp Rm Lm Cm -80 -60 -40 -20 0 +20 +40 +60 0 -50 -100 -150 +80 -200 0 -50 -100 -150 -200 f C = f O , T C = T O ∆T = T C - T O ( °C ) B C D E ( 3 x ) F ( 4 x ) G ( 1 x ) T o p V i e w S i d e V i e w B o t t o m V i e w 1 2 3 4 H I H H J J K L M M PCB Land Pattern Top View |
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