P ad dimensions [µm] X 153 425 660 865 1202 1245 346 155 Y 1112 1112 1112 1112 1112 152 188 188
NIPPON PRECISION CIRCUITS
2
CF5008A1
BLOCK DIAGRAM
Rf CG
XT
VDD
VSS
CD
Rd
Q
CC Rp
XT2
RB2
Control Circuits
INH
OSCILLATOR ELEMENT CONSTANTS (typical values)
R B1 CF5008A1 100k Ω R B
Key Features
s s s s s
s s s
Up to 30 MHz operation Inverter amplifier feedback resistor built-in 8 mA (VDD = 5 V), 4 mA (VDD = 3 V) drive capability 2.7 to 5.5 V supply voltage Circuit structure with low parasitic capacitance effects.
Direct connection to varicap diodes and crystal Few external components required to form a VCXO Amplitude limiting resistor Rd built-in Chip form (CF5008A1)
SERIES.
Full PDF Text Transcription for CF5008A1 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
CF5008A1. For precise diagrams, and layout, please refer to the original PDF.
CF5008A1 NIPPON PRECISION CIRCUITS INC. VCXO Module IC OVERVIEW The CF5008A1 is a VCXO module IC that employs a circuit structure with low parasitic capacitance effects a...
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t employs a circuit structure with low parasitic capacitance effects and a wide frequency range. Built-in components mean that few external components are required to construct a VCXO. FEATURES s s s s s s s s Up to 30 MHz operation Inverter amplifier feedback resistor built-in 8 mA (VDD = 5 V), 4 mA (VDD = 3 V) drive capability 2.7 to 5.
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