BCM20705 datasheet(53/67 Pages) CYPRESS

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RF Specifications

BCM20705 Data Sheet

BROADCOM CONFIDENTIAL

Broadcom®

Bluetooth Transceiver and Baseband Processor

November 13, 2014 • MCS20705-DS104-R

Page 52

Table 19: Transmitter RF Specifications a, b

a. All specifications are for industrial temperatures. For details, see Table 17 on page 49.

b. All specifications are single-ended. Unused input are left open.

Parameter

Conditions

Minimum Typical

Maximum Unit

General

Frequency range

–

2402

–

2480

MHz

Class1: GFSK Tx power c

c. +10 dBm output for GFSK measured with VDDTF = 2.9 V.

–6.5

–

dBm

Class1: EDR Tx power d

d. +8 dBm output for EDR measured with VDDTF = 2.9 V.

–4.5

–

dBm

Class 2: GFSK Tx power

–

–1.5

–

dBm

Power control step

–

Modulation Accuracy

/4-DQPSK Frequency Stability

–

–10

–

kHz

/4-DQPSK RMS DEVM

–

/4-QPSK Peak DEVM

–

/4-DQPSK 99% DEVM

–

8-DPSK frequency stability

–

–10

–

kHz

8-DPSK RMS DEVM

–

8-DPSK Peak DEVM

–

8-DPSK 99% DEVM

–

In-Band Spurious Emissions

+500 kHz

–

–20

dBc

1.0 MHz < |M – N| < 1.5 MHz

–

–26

dBc

1.5 MHz < |M – N| < 2.5 MHz

–

–20

dBm

|M – N| > 2.5 MHz

–

–40

dBm

Out-of-Band Spurious Emissions

30 MHz to 1 GHz

–

–36.0 e

dBm

1 GHz to 12.75 GHz

–

–30.0 e, f

dBm

1.8 GHz to 1.9 GHz

–

–47.0

dBm

5.15 GHz to 5.3 GHz

–

–47.0

dBm

GPS Band Noise Emission (without a front-end band pass filter)

1572.92 MHz to 1577.92 MHz

–

–150

–127

dBm/Hz

Out-of-Band Noise Emissions (without a front-end band pass filter)

65 MHz to 108 MHz

FM Rx

–

–145

–

dBm/Hz

746 MHz to 764 MHz

CDMA

–

–145

–

dBm/Hz

869 MHz to 960 MHz

CDMA

–

–145

–

dBm/Hz

925 MHz to 960 MHz

EDGE/GSM

–

–145

–

dBm/Hz

1805 MHz to 1880 MHz

EDGE/GSM

–

–145

–

dBm/Hz

1930 MHz to 1990 MHz

PCS

–

–145

–

dBm/Hz

2110 MHz to 2170 MHz

WCDMA

–

–145

–

dBm/Hz

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