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Frequency (GHz) Continuous power required to block Bluetooth reception (for sensitivity of - 67dBm with 0.1% BER) measured at the unbalanced port of the balun. C/I co-channel Adjacent channel selectivity C/I F=F 0 + 1MHz 1,2 Adjacent channel selectivity C/I F=F 0 - 1MHz 1,2 Adjacent channel selectivity C/I F=F 0 + 2 MHz 1,2 Adjacent channel selectivity C/I F=F 0 - 2 MHz 1,2 Adjacent channel selectivity C/I F=F 0 + 3 MHz 1,2 Adjacent channel selectivity C/I F=F 0 - 5 MHz 1,2 1,2 Adjacent channel selectivity C/I F=F Image Maximum level of intermodulation interferers 3 Spurious output level 4 Typ Bluetooth specification 30-2000 TBD ≥ -10 2000-2400 TBD ≥ -27 2500-3000 TBD ≥ -27 3000-3300 TBD ≥ -27 Unit dBm 6 ≤ 11 dB -5 ≤ 0 dB -4 ≤ 0 dB -38 ≤ -30 dB -23 ≤ -20 dB -45 ≤ -40 dB -44 ≤ -40 dB -22 ≤ 9 dB -30 ≥ -39 dBm TBD - dBm/Hz Notes: Table 10: Receiver radio characteristics at basic data rate and temperature 20°C 1 Up to five exceptions are allowed in the Bluetooth v2.0 + EDR specification. BlueCore4 is guaranteed to meet the C/I performance as specified by the Bluetooth v2.0 + EDR specification. 2 Measured at F = 2441MHz 3 Measured at f1-f2 = 5MHz. Measurement is performed in accordance with Bluetooth RF test RCV/CA/05/c. i.e. wanted signal at -64dBm 4 Measured at the unbalanced port of the balun. Integrated in 100kHz bandwidth and then normalized to 1Hz. Actual figure is typically below TBD dBm/Hz except for peaks of -52dBm in band at 2.4GHz and d80dBm at 3.2GHz Emitted power in cellular bands required to block Bluetooth reception (for sensitivity of -67dBm with 0.1% BER) measured at the unbalanced port of the balun. Continuous power in cellular bands required to block Bluetooth reception (for sensitivity of-72dBm with 0.1% BER) measured at the unbalanced port of the balun. Frequency (GHz) Typ Unit Cellular band 0.824 – 0.849 2.0 GSM 850 0.824 – 0.849 TBD CDMA 0.880 – 0.915 5.0 GSM 900 1.710 – 1.785 4.0 dBm GSM 1800 / DCS 1800 1.710 – 1.785 3.0 GSM 1900 / PCS 1900 1.850 – 1.910 TBD CDMA 1900 1.920 – 1.980 TBD W-CDMA 2000 0.824 – 0.849 -10 GSM 850 0.824 – 0.849 TBD CDMA 0.880 – 0.915 -10 GSM 900 1.710 – 1.785 -9 dBm GSM 1800 / DCS 1800 1.850 – 1.910 -9 GSM 1900 / PCS 1900 1.850 – 1.910 TBD CDMA 1900 1.920 – 1.980 TBD W-CDMA 2000 Table 11: Receiver radio characteristics at basic data rate and temperature 20°C 13
2.2 Radio Characteristics – Enhanced Data Rate Transmitter radio characteristics Measurement conditions: T = 20°C, Vdd = 3,3V Maximum output power 1 Relative transmit power 3 Carrier frequency stability 3 Modulation accuracy 3,4 Typ Bluetooth specification Unit +1 -6 to 4 2 dBm -1 -4 to 1 dB 3 ≤ 10 kHz RMS DEV - ≤ 13 5 % 99% DEV - ≤ 20 5 % Peak DEVM - ≤ 25 5 % Table 12: Transmitter radio characteristics at enhanced data rate and temperature 20°C Notes: Results shown are referenced to input of the RF balun. 1 WT12 firmware maintains the transmit power to be within the Bluetooth v2.0+EDR specification limits 2 Class 2 RF transmit power range, Bluetooth v2.0 + EDR specification 3 Measurements methods are in accordance with the EDR RF Test Specification v2.0.E.2 4 Modulation accuracy utilizes differential error vector magnitude (DEVM) with tracking of the carrier frequency drift. 5 The Bluetooth specification values are for 8DPSK modulation (values for the S/4 DQPSK modulation are less stringent) 14
Page 1 and 2: WT12 Data Sheet V e r s i o n 2 . 3
Page 3 and 4: Contents: 1. Block Diagram and Desc
Page 5 and 6: TERMS & ABBREVIATIONS Term or Abbre
Page 7 and 8: 1. BLOCK DIAGRAM AND DESCRIPTIONS F
Page 9 and 10: Since the details of some methods a
Page 11 and 12: Radio characteristics and general s
Page 13: 6. Measured at F0= 2441MHz. 7. Up t
Page 17 and 18: 3. WT12 PIN DESCRIPTION WT12 31 30
Page 19 and 20: CMOS input with weak internal pull-
Page 21 and 22: has to be connected to UART_RX. UAR
Page 23 and 24: 4.2 USB Interface WT12 USB devices
Page 25 and 26: USB_D+ WT12 USB_D- USB_ON VBUS Volt
Page 27 and 28: 4.3 SPI Interface The synchronous s
Page 29 and 30: PCM_OUT WT12 PCM_IN PCM_CLK Up to 2
Page 31 and 32: PCM_SYNC PCM_CLK PCM_OUT 1 2 3 4 5
Page 33 and 34: Name Bit position Description - 0 S
Page 35 and 36: 6. SOFTWARE STACKS WT12 is supplied
Page 37 and 38: The firmware has been written again
Page 39 and 40: 6.3 RFCOMM Stack RFCOMM SDP L2CAP H
Page 41 and 42: main WRAP THOR firmware. The user i
Page 43 and 44: 7. ENHANCED DATA RATE EDR has been
Page 45 and 46: 8. LAYOUT AND SOLDERING CONSIDERATI
Page 47 and 48: • Routing should be done in the i
Page 49 and 50: Figure 30: WT12 foot print and dime
Page 51 and 52: Figure 33: Tape information 50
Page 53 and 54: 11.2 FCC Federal Communications Com
Page 55 and 56: 12. ROHS STATEMENT WITH A LIST OF B

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