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  • 名称: VNA 485 矢量网络分析仪
  • 编号: VNA 485
面向RF生产测试解决方案!
 
■   测量频率范围:300KHz~8.5GHz
 
■   超高动态范围:>135dB(IFBW=10Hz)
 
■   超低迹线噪声:<0.004dB RMS
 
■   测量速度行业领先:10ms(401 point,IFBW=100KHz,SPAN=200MHz。
 
■   高效的多用户功能,可灵活配置用户使用端口。

        VNA 485是一款频率范围为300KHz-8.5GHz的全尺寸4端口矢量网络分析仪,可适用于移动通信、有线电视、雷达、教育及汽车电子等领域,致力于在滤波器、天线、电缆、有线电视分接头、放大器等射频元件的研发、生产、售后等环节帮助客户完成精确的测量需求。

        VNA 485在同类仪表中具备领先的性能。动态范围高达135 dB(10 Hz中频带宽),迹线噪声小于0.004 dB RMS(70 kHz 中频带宽),输出功率高达+10 dBm以及超过60dB的电子可调范围。VNA 485在满足高精度测量的同时还兼备出色的测量速度:每点测试时间优于10μs;并且具备出色的温度稳定性,满足长时间的可靠测试需求。

        与传统矢量网络分析仪相比,VNA 485定位于未来的多端口高速自动化测试应用,无屏幕紧凑的结构设计显著提高了测量仪表的集成度,减小了仪表的占用空间;提供和主流网络分析仪一样丰富的自动化控制接口和插件,便于测试系统替换和测试软件迁移,能满足MES系统对接和定制测试软件等多种自动化测试需求;仪表还集成了高性能CPU和windows系统以及丰富的外部设备接口,可以灵活地组成各种各样的测试系统,满足多种测量场景的需求。   

SYSTEM MEASUREMENT RANGE

System Impedance

50Ω(75Ω via adapter)

Test Port Connector Type

N-Type, Female

Number of Test Port

4

Frequency Range

300kHz to 8.5GHz

Frequency Setting Resolution

1Hz

Output Power Range

300KHz to 10MHz

-55dBm to +10dBm

6GHz to 8.5GHz

-55dBm to +8dBm

Power Setting Resolution

0.05dB

 

Number of Measurement Points

1 to 100,001

 

System Bandwidths(IFBW)

10Hz to 1.5MHzTable 1

 

System Dynamic Range1: Boost Mode @IFBW=10Hz

300KHz to 10MHz

125dB

10MHz to 6GHz

135dB

6GHz to 8.5GHz

130dB

MEASUREMENT ACCURACY(UNCERTAINTY)2

Transmission Uncertainty(Boost Mode): Cal. power=-10dBm;IFBW=10Hz

-50dB to 10dB

300kHz to 8.5GHz

0.2dB/2deg

-70dB to -50dB

300kHz to 10MHz

1dB/10deg

10MHz to 8.5GHz

0.4dB/2deg

Reflection Uncertainty: Cal. power=-10dBm;IFBW=10Hz

-15dB to 0dB

300kHz to 10MHz

0.3dB/3deg

10MHz to 8.5GHz

0.6dB/5deg

-25dB to -15dB

300kHz to 10MHz

0.5dB/6deg

10MHz to 8.5GHz

1.0dB/8deg

Trace Noise: Meas. Power=Max Output Power

Transmission

300kHz to 10MHz(IFBW=3kHz)

3mdB rms/0.02deg rms

10MHz to 8.5GHz(IFBW=70kHz)

4mdB rms/0.03deg rms

Reflection

300kHz to 10MHz(IFBW=3kHz)

3mdB rms/0.02deg rms

10MHz to 8.5GHz(IFBW=70kHz)

5mdB rms/0.05deg rms

Temperature Stability

300kHz to 3GHz

0.25dB/℃

0.4dB/℃

3GHz to 8.5GHz

0.4dB/℃

0.6dB/℃


CORRECTED SYSTEM EFFECTIVE DATA2

Description

300kHz to 10MHz

10MHz to 3GHz

3GHz to 6GHz

6GHz to 8.5GHz

Directivity

46 dB

44 dB

38 dB

38 dB

Source Match

43 dB

40 dB

37 dB

36 dB

Load Match

46 dB

44 dB

38 dB

38 dB

UNCORRECTED SYSTEM RAW DATA3

Description

300kHz to 10MHz

10MHz to 3GHz

3GHz to 6GHz

6GHz to 8.5GHz

Directivity

46 dB

44 dB

38 dB

38 dB

Source Match

43 dB

40 dB

37 dB

36 dB

Load Match

46 dB

44 dB

38 dB

38 dB

TEST PORT OUTPUT PERFORMANCE

Power Accuracy

±0.5 dB @0dBm

Power Linearity
(Relative to 0dBm)

300kHz to 6GHz

±0.5 dB(-20dBm to +10dBm)

6GHz to 8.5GHz

±0.5 dB (-20dBm to +8dBm)

Harmonic(2nd or 3nd)

<-25dBc @5dBm

Non-Harmonic Spurious

<-30dBc @5dBm

CW Accuracy

±0.2ppm (23℃±3℃)

Source Stability

±0.01ppm to 23 ℃±0.1ppm/year

TEST PORT INPUT PERFORMANCE

Maximum Input Level

+10dBm

 

Damage Level

+26dBm or ±35VDC

 

Cross Talk

300kHz to 10MHz

-125dB

10MHz to 6GHz

-130dB

6GHz to 8.5GHz

-120dB

Noise Floor1

300kHz to 10MHz

-125dB

10MHz to 6GHz

-135dB

6GHz to 8.5GHz

-122dB

MEASUREMENT SPEED

Measurement time per point

Table 2

Port Switchover time

Normal Mode: 500μs
Boost Mode: 2ms

NON-TEST INPUT/OUTPUT PORT REQUIREMENTS

External Reference Signal Input

Connector Type

BNC Female

Input Frequency

10MHz±10ppm

Input Level

Low Threshold Votage:0.5V
High Threshold Votage:2.1V
Input Level Range:0 to +5V

Duty Cycle

40% to 60%

External Reference Signal Output

Connector Type

BNC Female

Output Frequency

10MHz±0.2ppm

Output Level

Low Level Votage:0V
High Level Votage:5V

Duty Cycle

40% to 60%

Signal Type

TTL

External Trigger Input

Connector Type

BNC Female

Input Level

Low Threshold Votage:0.5V
High Threshold Votage:2.1V
Input Level Range:0 to +5V

Pulse Width

2μs

Polarity

Positive or Negative

External Trigger Input

Connector Type

BNC Female

Max Output Current

30mA

Output Level

Low Level Votage:0V
High Level Votage:5V

Pulse Width

1μs

Polarity

Positive or Negative

1. If using Normal Mode, performance may be degrade by 10dB.

2. Using Cal Kit:85033E(3.5mm 50Ω) for full 2-port calibration. And IF bandwidth = 10 Hz, no averaging applied to data, environmental temperature= 23oC(±5oC) with < 1oC deviation from calibration temperature, isolation calibration performed.

3. User correction: OFF, system correction: ON

Table 1.

IFBW
Nominal settings

10,15,20,30,40,50,70,100,150,200,300,400,500,700,1k,1.5k,2k,3k,4k,5k,7k,10k,15k,20k,30k,40k,50k,70k,100k,150k,200k,
300k,400k,500kHz,700 kHz,1MHz,1.5MHz


Table 2.

Meas. Mode=Boost Mode (Unit:ms)

51

201

401

1601

Start 300kHz to 8.5GHz IFBW=100KHz

Uncorrected

7

12

20

53

2-port  Cal

14

25

39

106

4-port  Cal

28

50

77

212

Start 1GHz to 1.2GHz IFBW=100KHz

Uncorrected

5

8

12

36

2-port  Cal

8

16

25

72

4-port  Cal

15

31

49

143

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