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RO2166D-1 Datasheet(PDF) 2 Page - RF Monolithics, Inc |
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RO2166D-1 Datasheet(HTML) 2 Page - RF Monolithics, Inc |
2 / 2 page 857.65 MHz SAW Resonator RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 2 of 2 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com ©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. RO2166D-090503 -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 ) 0.05 pF* 0.05 pF Cp Co + = *Case Parasitics Cp Rm Lm Cm Equivalent LC Mode l Temperature Characteristics The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions . Pin Connection 1 NC 2 Terminal 3 NC 4 NC 5 Terminal 6 NC Power Test Electrical Connections The SAW resonator is bidirectional and may be installed with either orientation. The two terminals are interchangeable and unnumbered. The callout NC indi- cates 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. Electrical Test Typical Application Circuits From 50 Ω Network Analyzer To 50 Ω Network Analyzer 2 3 6 5 4 1 Low-Loss Matching Network to 50 Ω 50 Ω Source at F C P INCIDENT P REFLECTED 2 3 6 5 4 1 Modulation Input ROXXXXC Bottom View 200k Ω C1 L1 (Antenna) 47 +9VDC C2 RF Bypass 470 Typical Low-Power Transmitter Application 2 3 6 5 4 1 +VDC ROXXXXC Bottom View 200k Ω C1 L1 +VDC C2 RF Bypass Typical Local Oscillator Application Output 2 3 6 5 4 1 1 2 3 6 5 4 1 2 3 6 5 4 A B C D J E G H I Case Dimensions Dimension mm Inches Min Nom Max Min Nom Max A 3.60 3.80 4.0 0.14 0.15 0.16 B 3.60 3.80 4.0 0.14 0.15 0.16 C 1.00 1.20 1.40 0.04 0.05 0.055 D 0.95 1.10 1.25 0.037 0.043 0.05 E 2.39 2.54 2.69 0.090 0.10 0.110 G 0.90 1.0 1.10 0.035 0.04 0.043 H 1.90 2.0 2.10 0.75 0.08 0.83 I 0.50 0.6 0.70 0.020 0.024 0.028 J 1.70 1.8 1.90 0.067 0.07 0.075 |
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