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IQxstream-M通信系统(2G/3G/4G/wifi/蓝牙/Navigation/ZigBee/DECT)测试仪

IQxstream-M是一款面向制造的、多设备、物理层通信系统测试仪,专为在大批量生产环境中校准和验证性能而设计。与基于信令的典型研发和一致性测试方法相比,非信令物理层测试人员提供了3倍或更好的测试吞吐量。IQxstream-M解决了所有主要的无线技术和射频波段,包括蜂窝、无线局域网(Wi-Fi)、导航和其他常见的无线标准,以支持智能手机、平板电脑、数据卡、模块、物联网、小蜂窝基站和其他移动连接消费设备。
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1.IQxstream-M概述

IQxstream-M是一种面向制造商,多设备,物理层通信系统测试仪,专为在大批量生产环境中校准和验证性能而设计。 IQxstream-M解决了所有主要的无线技术和射频波段,包括蜂窝,无线接入(Wi-Fi),导航和其他常见的无线标准,以支持智能手机,平板电脑,数据卡,模块,物联网,小蜂窝基站和其他移动连接消费设备。

IQxstream-M支持以下无线技术:

蜂窝电话

•  LTE / LTE-高级/ LTE-Advance Pro

•  LTE Cat 0(Cat-M1)和LTE Cat-NB(NB-IoT)

•  W-CDMA / HSPA / HSPA +

•  GSM / EDGE

•  CDMA2000 / 1xEV-DO

•  TD-SCDMA

连接性

•  802.11a / b / g / n / j / p / af / ah

• 蓝牙1.0、2.x,3.0、4.x,5

• 导航:GPS,GLONASS

•  ZigBee(802.15.4)

•  DECT

•  SISO和MIMO天线配置


2.端口描述

前面板

输入输出

功能

类型

开关;电源开关

电源开/关

按钮开关

电源指示灯

LED红色–通电,待机LED绿色–通电,正在运行

LED指示灯

USB(2个)

USB I / O

A型

RF1银行1,RF1银行2


路线11

VSG / VSA端口

BMA男

RF2 Bank 1,RF2 Bank 2

路线11

VSG / VSA端口

BMA男

RF3 Bank 1,RF3 Bank 2

路线11

VSG / VSA端口

BMA男

RF4 Bank 1,RF4 Bank 2

路线11

VSG / VSA端口

BMA男

RF1银行1,RF1银行2


路线12

VSG / VSA端口

BMA男

RF2 Bank 1,RF2 Bank 2

路线12

VSG / VSA端口

BMA男

RF3 Bank 1,RF3 Bank 2

路线12

VSG / VSA端口

BMA男

RF4 Bank 1,RF4 Bank 2

路线12

VSG / VSA端口

BMA男

RF1 Bank 1,RF1 Bank 2(可选)


路线13

VSG / VSA端口

BMA男

RF2 Bank 1,RF2 Bank 2(可选)

路线13

VSG / VSA端口

BMA男

RF3 Bank 1,RF3 Bank 2(可选)

路线13

VSG / VSA端口

BMA男

RF4 Bank 1,RF4 Bank 2(可选)

路线13

VSG / VSA端口

BMA男

RF1 Bank 1,RF1 Bank 2(可选)


路线14

VSG / VSA端口

BMA男

RF2 Bank 1,RF2 Bank 2(可选)

路线14

VSG / VSA端口

BMA男

RF3 Bank 1,RF3 Bank 2(可选)

路线14

VSG / VSA端口

BMA男

RF4 Bank 1,RF4 Bank 2(可选)

路线14

VSG / VSA端口

BMA男


后面板



通用I / O

输入输出

功能

类型

10 MHz REF输入

10 MHz参考输入

BNC女

10 MHz REF输出

10 MHz参考输出

BNC女

触发1

TTL触发输入/输出

BNC女

触发2

TTL触发输入/输出

BNC女

触发3

TTL触发输入/输出

BNC女

触发4

TTL触发输入/输出

BNC女


通讯I / O

输入输出

功能

类型

显卡

视频输出

15引脚DSUB

DVI

视频输出

DVI-I

USB 1

USB I / O –键盘

A型

USB 2

USB I / O –鼠标

A型

局域网

1000 Base-T局域网

RJ-45

通用输入输出

通用I / O

50针连接器


3.硬件规格
信号向量分析仪(VSA)

参量

港口

射频频率范围

所有港口

75 MHz至6000 MHz

射频最大输入功率

+36 dBm(峰值包络功率)1

有效采样率

61.44毫秒

捕获内存深度

64 Msamples

Measurement Frequency Resolution

0.1 Hz

Input Impedance

50 Ω (nominal)

Power Measurement Accuracy2, 3

< ± 1 dB (level > -40 dBm), 75 MHz to 300 MHz

< ± 0.4 dB (level > -40 dBm), 300 MHz to <3800 MHz

< ± 0.75 dB (level > -40 dBm), 3800 MHz to 6000 MHz

Power Measurement Repeatability

< 0.1 dB (within 30 seconds of initial value), signal level > -40 dBm

Noise Figure

<30 dB (at MIN attenuation), 300 MHz to <700 MHz

<29 dB (at MIN attenuation), 700 MHz to <4000 MHz

<40 dB (at MIN attenuation), 4000 MHz to 6000 MHz

Signal to Noise Ratio

> 90 dB @ RBW = 1 kHz, input > -10 dBm, 400 MHz to <2000 MHz

> 80 dB @ RBW = 1 kHz, input > -10 dBm, 2000 MHz to 6000 MHz

VSWR (typical)

< 1.6 : 1 (RL > 12.5 dB) 400 MHz to < 700 MHz

< 1.3 : 1 (RL > 18 dB) 700 MHz to < 2200 MHz

< 1.4 : 1 (RL > 16 dB) 2200 MHz to < 3400 MHz

< 1.8 : 1 (RL > 11 dB) 3400 MHz to 6000 MHz

Port Switching Time4

< 50 μs (to within 0.1 dB)

Isolation

RF1 to RF4

Within a Bank of Ports

Port-to-Port, VSG Duplex Mode

> 55 dB (75 MHz to <2400 MHz)

> 40 dB (2400 MHz to 6000 MHz)

Port-to-Port, VSG Broadcast Mode

> 40 dB (75 MHz to <2500 MHz)

> 55 dB (2500 MHz to <4000 MHz)

> 45 dB (4000 MHz to 6000 MHz)

RF1 – RF4, Between ROUT Modules

> 100 dB (75 MHz to 3800 MHz)

> 90 dB (> 3800 MHz)

1.对于占空比为1/8的GSM信号,在+ 36dbm的最大峰值包络功率是指定的
2.规格仅在使用优质接口线缆时有效。请联系LitePoint获取推荐的接口选项
3.对于+ 30dbm以上的功率级别,增加额外的+/- 0.1 dB的不确定度

4 .使用硬件时序控制时


Parameters

Ports

Value

Inherent Spurious Signals Floor (no input signal applied,

RLEV = -10 dBm)

All Ports

< -73 dBm (<700 MHz)

< -83 dBm (700 MHz to <2700 MHz)

< -73 dBm (2700 MHz to 6000 MHz)

Input third order intercept point (IIP3)

> +40 dBm (at MAX attenuation)

Non-harmonic Attenuation

> 50 dB (Input level < +15 dBm)

Harmonic Attenuation

> 40 dB (400 MHz to 6000 MHz)

> 10 dB (< 400 MHz)

Phase Noise

< -108 dBc/Hz @ 900 MHz (250 kHz to 400 kHz offset)

< -102 dBc/Hz @ 1800 MHz (250 kHz to 400 kHz offset)

< -101 dBc/Hz @ 2400 MHz (250 kHz to 400 kHz offset)

< -93 dBc/Hz @ 5800 MHz (250 kHz to 400 kHz offset)



矢量信号发生器(VSG)

Parameters

Ports

Value

RF Frequency Range

All RF Ports

75 MHz to 6000 MHz

RF Output Power Range (Duplex)

-15 dBm to -120 dBm (75 MHz to 3800 MHz)

-25 dBm to -120 dBm (> 3800 MHz to 6000 MHz)

RF Output Power Range (Broadcast)

-12 dBm1 to -120 dBm (400 MHz to 3000 MHz)

-50 dBm to -120 dBm (>3000 MHz to 6000 MHz)

Center Frequency Resolution

0.1 Hz

Power Level Resolution

0.1 dB

Power Level Settling Time2

< 50 us to within 0.1 dB

Frequency Level Settling Time

< 400 us to within 1 kHz

Output Power Accuracy (Duplex & VSG mode)3

< ± 1 dB typical (level > -40 dBm), 75 MHz to <300 MHz

± 0.5 dB (levels ≥ -50 dBm), 300 MHz to <3800 MHz

± 0.75 dB (levels ≥ -50 dBm), 3800 MHz to 6000 MHz

± 0.75 dB (-100 to < -50 dBm), 300 MHz to 3800 MHz

± 1 dB (-100 to < -50 dBm), 3800 MHz to 6000MHz

Broadcast Mode Output Power Uncertainty

RF1 – RF4,

Within a Bank

± 0.75 dB + VSG Power Accuracy

± 0.25 dB (typical) + VSG Power Accuracy All ports in 50 ohms

Power Level Repeatability

All Ports

± 0.1 dB (within 30 seconds of initial value)

VSWR (typical)

< 1.6 : 1 (RL > 12.5 dB) 400 MHz to < 700 MHz

< 1.3 : 1 (RL > 18 dB) 700 MHz to < 2200 MHz

< 1.4 : 1 (RL > 16 dB) 2200 MHz to < 3400 MHz

< 1.8 : 1 (RL > 11 dB) 3400 MHz to 6000 MHz

1 -12 dBm在固件v1.9及更高版本中启用

2 .使用硬件时序控制时
3规格仅在使用优质接口线缆时有效。请联系LitePoint获取推荐的接口选项。


Harmonic Attenuation

All Ports

< -40 dBc (output levels < -30 dBm), 350 MHz to 6000 MHz

Non-harmonic Attenuation

< -32 dBc (output levels < -30 dBm), 400 MHz to 6000 MHz

Phase Noise

< -108 dBc/Hz @ 900 MHz (250 kHz to 400 kHz offset)

< -102 dBc/Hz @ 1800 MHz (250 kHz to 400 kHz offset)

< -101 dBc/Hz @ 2400 MHz (250 kHz to 400 kHz offset)

< -93 dBc/Hz @ 5800 MHz (250 kHz to 400 kHz offset)


Timebase

Parameters

Value

Oscillator Type

OCXO

Frequency

10 MHz

Initial Accuracy (25°C, After 60 Minute Warm-Up)

< ± 0.04 ppm

Maximum Aging

< ± 0.1 ppm per year

Temperature Stability

< ± 0.05 ppm over 0°C to 50°C range, referenced to 25°C

< ± 0.01 ppm over 20°C to 35°C range

Warm-Up Time

60 minutes


4.无线标准的支持

IQxstream-M支持各种各样的无线标准和测试。作为一种软件驱动的工具,这些功能会不断更新,以满足不断变化的需求。这包括增加新的波段或对标准的改进。

在本文档发布之时,IQxstream-M包括了对下列表中所列基于测试的标准的直接支持。除了注意到的测试之外,通常还可以获得其他扩展或提供额外的测量关于特定测试的信息。有关这种额外支持的详细信息,请参阅IQxstream-M用户文档。

IQxstream-M支持连续频率范围在75mhz ~ 6000mhz之间。具体的技术频带支持将在下面的章节中详细说明,但并不意味着频率支持仅限于所列出的频带。

例如:最大功率,最小功率等。IQxstream-M从根本上衡量的是功率。如果可以将DUT设置为特定状态,IQxstream-M将测量它的功率,另外还有EVM、载波频率和各种通用测量。对以下页面中描述的特定测试的支持不会对IQxstream-M功能施加任何限制。它只描述了测试人员所包含的最小特性集。IQxstream-M可以做得更多,也许更重要的是,可以通过软件更新向其添加特定的功能,以满足应用程序特定的需求。


支持LTE频段

Frequency Bands

Frequency Range (Generator)

Frequency Range (Analyzer)

Duplex Mode

1

2110 MHz to 2170 MHz

1920 MHz to 1980 MHz

FDD

2

1930 MHz to 1990 MHz

1850 MHz to 1910 MHz

FDD

3

1805 MHz to 1880 MHz

1710 MHz to 1785 MHz

FDD

4

2110 MHz to 2155 MHz

1710 MHz to 1755 MHz

FDD

5

869 MHz to 894 MHz

824 MHz to 849 MHz

FDD

7

2620 MHz to 2690 MHz

2500 MHz to 2570 MHz

FDD

8

925 MHz to 960 MHz

880 MHz to 915 MHz

FDD

9

1845 MHz to 1880 MHz

1750 MHz to 1785 MHz

FDD

10

2110 MHz to 2170 MHz

1710 MHz to 1770 MHz

FDD

11

1476 MHz to 1496 MHz

1428 MHz to 1448 MHz

FDD

12

728 MHz to 746 MHz

698 MHz to 716 MHz

FDD

13

746 MHz to 756 MHz

777 MHz to 787 MHz

FDD

14

758 MHz to 768 MHz

788 MHz to 798 MHz

FDD

17

734 MHz to 746 MHz

704 MHz to 716 MHz

FDD

18

860 MHz to 875 MHz

815 MHz to 830 MHz

FDD

19

875 MHz to 890 MHz

830 MHz to 845 MHz

FDD

20

791 MHz to 821 MHz

832 MHz to 862 MHz

FDD

Frequency Bands

Frequency Range (Generator)

Frequency Range (Analyzer)

Duplex Mode

21

1495.9 MHz to 1510.9 MHz

1447.9 MHz to 1462.9 MHz

FDD

22

3510 MHz to 3590 MHz

3410 MHz to 3490 MHz

FDD

23

2180 MHz to 2200 MHz

2000 MHz to 2020 MHz

FDD

24

1525 MHz to 1559 MHz

1626.5 MHz to 1660.5 MHz

FDD

25

1930 MHz to 1995 MHz

1850 MHz to 1915 MHz

FDD

26

859 MHz to 894 MHz

814 MHz to 849 MHz

FDD

27

852 MHz to 869 MHz

807 MHz to 824 MHz

FDD

28

758 MHz to 803 MHz

703 MHz to 748 MHz

FDD

29

717 MHz to 728 MHz

Downlink Only

FDD

30

2350 MHz to 2360 MHz

2305 MHz to 2315 MHz

FDD

31

462.5 MHz to 467.5 MHz

452.5 MHz to 457.5 MHz

FDD

33

1900 MHz to 1920 MHz

1900 MHz to 1920 MHz

TDD

34

2010 MHz to 2025 MHz

2010 MHz to 2025 MHz

TDD

35

1850 MHz to 1910 MHz

1850 MHz to 1910 MHz

TDD

36

1930 MHz to 1990 MHz

1930 MHz to 1990 MHz

TDD

37

1910 MHz to 1930 MHz

1910 MHz to 1930 MHz

TDD

38

2570 MHz to 2620 MHz

2570 MHz to 2620 MHz

TDD

39

1880 MHz to 1920 MHz

1880 MHz to 1920 MHz

TDD

40

2300 MHz to 2400 MHz

2300 MHz to 2400 MHz

TDD

41

2496 MHz to 2690 MHz

2496 MHz to 2690 MHz

TDD

42

3400 MHz to 3600 MHz

3400 MHz to 3600 MHz

TDD

43

3600 MHz to 3800 MHz

3600 MHz to 3800 MHz

TDD

44

703 MHz to 803 MHz

703 MHz to 803 MHz

TDD

45

1447 MHz to 1467 MHz

Downlink Only

TDD

46

5150 MHz to 5925 MHz

Downlink Only

TDD

47

5855 MHz to 5925 MHz

Downlink Only

TDD

48

3550 MHz to 3700 MHz

Downlink Only

TDD

49

3550 MHz to 3700 MHz

Downlink Only

TDD

50

1432 MHz to 1517 MHz

Downlink Only

TDD

51

1427 MHz to 1432 MHz

Downlink Only

TDD

52

3300 MHz to 3400 MHz

Downlink Only

TDD

Frequency Bands

Frequency Range (Generator)

Frequency Range (Analyzer)

Duplex Mode

65

2110 MHz to 2200 MHz

1920 MHz to 2010 MHz

FDD

66

2110 MHz to 2200 MHz

1710 MHz to 1780 MHz

FDD

68

753 MHz to 783 MHz

698 MHz to 728 MHz

FDD

70

1995 MHz to 2020 MHz

1695 MHz to 1710 MHz

FDD

71

617 MHz to 652 MHz

663 MHz to 698 MHz

FDD

72

461 MHz to 466 MHz

451 MHz to 456 MHz

FDD

73

460 MHz to 465 MHz

450 MHz to 455 MHz

FDD

74

1475 MHz to 1518 MHz

1427 MHz to 1470 MHz

FDD

85

728 MHz to 746 MHz

698 MHz to 716 MHz

FDD


LTE终端测试UE类别1至12、Cat-0 (Cat-M1)和Cat-NB1 (NB-IoT)

Standard Test

3GPP TS 36.521-1

Reference Paragraph

Notes

Maximum output power

6.2.2

Maximum power reduction

6.2.3

Transmit on/off time mask

6.3.4

Minimum output power

6.3.2

Transmit off power

6.3.3

Power control absolute

6.3.5.1

Power control relative

6.3.5.2

Frequency error

6.5.1

Error vector magnitude

6.5.2.1

EVM equalizer spectrum flatness

6.5.2.4

Carrier leakage

6.5.2.2

Occupied bandwidth

6.6.1

In-band emissions for non-allocated RB

6.5.2.3

ACLR

6.6.2.3

Spectrum emission mask

6.6.2.1

Spurious emissions

6.6.3.1

75 MHz to 6 GHz

Standard Test

3GPP TS 36.521-1

Reference Paragraph

Notes

Reference sensitivity

7.3

DUT support required

Maximum input level

7.4

DUT support required

RX level

DUT support required. A common test as part

of device calibration / verification.


LTE小蜂窝基站测试

Standard Test

3GPP TS 36.141

Reference Paragraph

Notes

Home BS output power

6.2.1

Home BS output power for adjacent UTRA channel protection

6.2.6

Home BS output power for adjacent E-UTRA channel protection

6.2.7

Transmit off power

6.4.1

Frequency error

6.5.1

Error vector magnitude

6.5.2

Occupied bandwidth

6.6.1

ACLR

6.6.2

Operating band unwanted emissions

6.6.3

Transmitter spurious emissions

6.6.4

75 MHz to 6000 MHz

Reference sensitivity

7.2

DUT support required


WCDMA/HSPA/HSPA+/双载波HSPA+频段

Bands

Frequency Range (Analyzer)

Frequency Range (Generator)

I

1920 - 1980 MHz

2110 - 2170 MHz

II

1850 - 1910 MHz

1930 - 1990 MHz

III

1710 - 1785 MHz

1805 - 1880 MHz

IV

1710 - 1755 MHz

2110 - 2155 MHz

V

824 - 849 MHz

869 - 894 MHz

VI

830 - 840 MHz

875 - 885 MHz

VII

2500 - 2570 MHz

2620 - 2690 MHz

VIII

880 - 915 MHz

925 - 960 MHz

Measurement

Performance

IX

1749.9 - 1784.9 MHz

1844.9 - 1879.9 MHz

X

1710 - 1770 MHz

2110 - 2170 MHz

XI

1427.9 - 1447.9 MHz

1475.9 - 1495.9 MHz

XII

698 - 716 MHz

728 - 746 MHz

XIII

777 - 787 MHz

746 - 756 MHz

XIV

788 - 798 MHz

758 - 768 MHz


WCDMA/HSPA/HSPA+/双载波HSPA+终端测试

Bands

Frequency Range (Analyzer)

Frequency Range (Generator)

Maximum output power

5.2

Minimum output power

5.4.3

Transmitter off power

5.5.1

Inner loop power control

5.4.2

Frequency error

5.3

Error Vector Magnitude (EVM)

5.13.1

Phase discontinuity

5.13.3

I/Q mismatch

5.13.1AAA

Occupied BW

5.8

Peak code domain error

5.13.2

ACLR

5.10

Spectrum Emission Mask (SEM)

5.9

Spurious emissions

5.11

75 MHz to 6 GHz

Reference sensitivity

6.2, 6.2A

DUT support required

Maximum input level

6.3, 6.3B

DUT support required

RX level

DUT support required. A common test as part

of device calibration / verification

RSCP

DUT support required. A common test as part

of device calibration / verification

WCDMA小蜂窝基站测试

Standard Test

3GPP TS 25.141

Reference Paragraph

Notes

Maximum output power

6.2.1

Primary CPICH power accuracy

6.2.2

Frequency error

6.3.1

Occupied BW

6.5.1

Spectrum Emission Mask (SEM)

6.5.2.1

ACLR

6.5.2.2

Error Vector Magnitude (EVM)

6.7.1

Peak Code Domain Error (PCDE)

6.7.2

Reference sensitivity

7.2

DUT support required

支持GSM/EDGE频段

Frequency Bands

Frequency Range (Generator)

Frequency Range (Analyzer)

GSM 450 band

460 MHz to 468 MHz

450 MHz to 458 MHz

GSM 480 band

488 MHz to 496 MHz

478 MHz to 486 MHz

GSM 750 band

747 MHz to 762 MHz

777 MHz to 792 MHz

GSM 850 band

869 MHz to 894 MHz

824 MHz to 849 MHz

R-GSM 900 band

921 MHz to 960 MHz

876 MHz to 915 MHz

DCS 1800 band

1805 MHz to 1880 MHz

1710 MHz to 1785 MHz

GSM 1900 band

1930 MHz to 1990 MHz

1850 MHz to 1910 MHz

GSM / EDGE测试

Standard Test

3GPP TS 51.010-1

Reference Paragraph

Notes

TX output power

13.3, 13.17.3

Transmit burst timing

13.3, 13.17.3

Frequency error

13.1, 13.17.1

Phase error

13.1, 13.17.1

Error Vector Magnitude (8-PSK)

13.17.1

Origin offset suppression

13.17.1

I/Q Mismatch, I/Q Offset

Output RF spectrum due to modulation (M-ORFS)

13.4, 13.17.4

Output RF spectrum due to switching (S-ORFS)

13.4, 13.17.4

Reference sensitivity

14.2

DUT support required

Usable input level range

14.3

DUT support required

RX level

DUT support required. A common test as part

of device calibration / verification

td - scdma频段

Frequency Bands

Frequency Range

33

1900-1920 MHz

34

2010-2025 MHz

35

1850-1910 MHz

36

1930-1990 MHz

37

1910-1930 MHz

38

2570-2620 MHz

39

1880-1920 MHz

40

2300-2400 MHz

td - scdma测试

Standard Test

3GPP TS 34.122

Reference Paragraph

Notes

Maximum output power

5.2

Power time mask

5.4.4

Transmitter off power

5.4.4

Modulation accuracy

5.7

Occupied bandwidth

5.5.1

Spectrum emission mask

ACLR

5.5.2

RX sensitivity

6.2

DUT support required

RX maximum input level

6.3

DUT support required

Throughput (single-ended)

9.3

DUT support required


导航/定位波形

IQxstream-M为主要定位技术(如GPS、GLONASS、COMPASS和Galileo)提供下行信号支持。VSG波形可以被DUT用来验证导航功能。
无线局域网(802.11 a/b/g/n/j/p)测量规范

Controls

Description

Performance

EVM (2.4 GHz band)

EVM averaged over payload based on standard requirements

EVM (5 GHz band)

EVM averaged over payload based on standard requirements

Peak power

Peak power over all symbols (dBm)

VSA power accuracy:

± 0.4 dB (+20 to -35 dBm)

RMS power

All: average power of complete data capture (dBm)

No gap: average power over all symbols after removal of any gap between packets (dBm)

Max avg power

Peak value of the amplitude as a moving average over 40 samples (dBm)

I/Q amplitude error

I/Q amplitude imbalance (%) and approximate contribution to EVM (dB)

Residual VSA I/Q imbalance:

≤ 1% (+20 to -35 dBm)

Residual VSG I/Q imbalance:

≤ 1% (-5 to -70 dBm)

I/Q phase error

I/Q phase imbalance (degrees) and approximate contribution to EVM (dB)

Residual VSA I/Q imbalance:

≤ 0.5 degree (+20 to -35 dBm)

Residual VSG I/Q imbalance:

≤ 0.5 degree (-5 to -70 dBm)

Frequency error

Carrier frequency error (kHz)

(For 802.11n packet at 16 symbols, EVM better than -25 dB)

VSA measurement error:

≤ ± 0.2 ppm calibrated

RMS phase noise

Integrated phase noise (degrees)

VSA integrated phase noise:

< TBD degrees (100 Hz to 1 MHz)

PSD

Power spectral density (dBm/Hz) versus frequency offset center frequency ± 20 MHz

Spectral mask

Transmit spectrum mask

Spectral mask view:

± 20 MHz

Spectral flatness

Reflects variation of signal energy as a function of OFDM subcarrier number 802.11a/g/p/n/j OFDM signals only

VSA flatness over ≤ 40 MHz Ch

BW: 1 dB (MAX – MIN)

Sidelobe analysis (spectral mask, LO leakage)

Center peak and peaks of 1st and 2nd upper/lower sidelobes (dB) 802.11b/g DSSS signals only

CCDF (complementary cumulative distribution function)

Probability of peak signal power being greater than a given power level versus peak-to-average power ratio (dB)

蓝牙(1.0,2.0,2.1,3.0)测量规范

Controls

Description

Performance

TX output power

Transmit DUT output power (dBm)

VSA power accuracy:

± 0.4 dB (+20 to -35 dBm)

TX output spectrum

Transmit DUT power spectral density

20 dB bandwidth

Bandwidth between the ± 20 dB down points of the modulation waveform

VSA frequency accuracy:

≤ ± 0.2 ppm calibrated

In-band emissions (Adjacent channel)

Spurious emission measured at

± 5 MHz of DUT TX frequency only

VSA spurious:

< -50 dBc (50 kHz RBW) (CW)

Modulation characteristics

Average and peak frequency deviation (Hz)

(For EVM better than -25 dB) VSA measurement error:

≤ ± 0.2 ppm calibrated

Carrier frequency tolerance

Carrier frequency offset (Hz)

Carrier frequency drift

Carrier frequency change over the Bluetooth burst (Hz)

Relative transmit power (EDR)

Average power of complete data capture (dBm)

VSA power accuracy:

± 0.4 dB (+20 to -35 dBm)

Carrier frequency stability (EDR)

Frequency drift over the Bluetooth EDR burst duration (Hz)

Receive sensitivity1

Receive sensitivity test using LitePoint or user-generated waveforms. Includes Dirty Packets.

VSG power accuracy:

± 0. 5 dB (+ 5 to -95 dBm)

Maximum input signal level

Assuming single-ended BER measurement

RMS EVM (EDR)

RMS EVM for Bluetooth EDR

Residual VSA EVM:

≤ -35 dB (+20 to -25 dBm)

Peak EVM (EDR)

Peak EVM for Bluetooth EDR

Residual VSG EVM:

≤ -35 dB (-5 to -70 dBm)


ZigBee(802.15.4)测量规范

Controls

Description

Performance

Output power

Transmit DUT output power (dBm)

VSA power accuracy:

± 0.4 dB (+20 to -35 dBm)

Power spectral density

Transmit DUT power spectral density

Center Frequency Tolerance

Tx center frequency tolerance

VSA frequency accuracy:

≤ ± 0.2 ppm calibrated

EVM

Offset: compensate the I and Q offset in OQPSK

Normal: no compensation applied

Other modulation quality measurements

本振泄漏,时钟误差,相位误差,符号时钟误差

CCDF(互补累积分布函数)

峰值信号功率相对于峰均功率比(dB)大于给定功率水平的概率

DECT(ETSI EN 300 176-1)测量规范

控制项

描述

性能

功率

正常发射功率

VSA功率精度:

±0.4 dB(+20至-35 dBm)

功率与时间

开机时间模板

频偏

频偏

VSA频率精度:

≤±0.2 ppm校准

频率漂移

数据包传输期间的频率漂移

频偏

S场,B场,整包