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Table of Contents
Summary of Contents for FutureInternet FUD-202
- Page 1 SERVICE MANUAL FUD-202 Bluetooth USB Adaptor...
- Page 2 CONTENT TABLE 1.GENERAL INFORMATION 1.1 DESCRIPTION 1.2 CONFIGURATION 1.3 SPECIFICATIONS 1.3.1 GENERAL SPECIFICATION 1.3.2 RADIO SPECIFICATION 2.CIRCUIT DESCRIPTION 2.1 TRANDMITTER 2.2 RECEIVER 2.3 POWER 3.OPERATION 3.1 FEATURE AND OPERATION...
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Page 3: General Information
7 clients concurrently per single server via USB port. 2) Minimum system hardware requirement for FUD-202 is Intel Pentium Processor, 32MB RAM, 5MB free HDD space and USB 1.1 complient host controller. 3) Windows 98SE, Windows Me, Windows 2000 and Windows XP are supported. - Page 4 - Modulation Characteristics :1) 140KHz ≤ ∆ f1 ≤ 175KHz for at least 99.9%of all ∆ f1 2) ∆ f2 ≥ 115KHz for at least 99.9% of all ∆ f2 3) ∆ f2/ ∆ f1 ≥ 0.8 - Initial Carrier Frequency Tolerance : ±75KHz - Carrier Frequency Drift : 1) 1 slot packet : ±25KHz 2) 3 or 5 slot packet : ±40KHz 2)Receiver...
- Page 5 2. CIRCUIT DESCRIPTION 2.1 TRANDMITTER 1) Carrier frequency(2.4 GHz) is oscillated then modulated by U2(BC01b-USB) that is Bluetooth main chipset. Transmission power of U2 is about 1~2dBm and impedance is matched to 50ohm using pattern balun then finally amplified to approximately 10~15dBm by terminal amplifier U6(PA2423L).
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