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  • 名称: VNA 485 向量網路分析儀
  • 编号: VNA 485
面向生產測試解決方案!
 
■   測量頻率範圍:300KHz~8.5GHz
 
■   超高動態範圍:135dB(IFBW=10Hz)
 
■   超低跡線雜訊:<0.004dB RMS
 
■   测量速度行业领先測量速度行業領先:10ms(401 point,IFBW=100KHz,SPAN=200MHz。
 
■   高效的多用戶功能,可靈活配置用戶使用端口: 14px;">。

        VNA 485是一款頻率範圍為300KHz-8.5GHz的全尺寸4端口向量網路分析儀,可適用於移動通信、有線電視、雷達、教育及汽車電子等領域,致力於在濾波器、天線、電纜、有線電視分接頭、放大器等射頻元件的研發、生產、售後等環節幫助客戶完成精確的測量需求。

        VNA 485在同類儀錶中具備領先的性能。動態範圍高達135 dB(10 Hz中頻帶寬),跡線雜訊小於0.004 dB RMS(70 kHz 中頻帶寬),輸出功率高達+10 dBm以及超過60dB的電子可調範圍。VNA 485在滿足高精度測量的同時還兼備出色的測量速度:每點測試時間優於10μs;並且具備出色的溫度穩定性,滿足長時間的可靠測試需求。

        與傳統向量網路分析儀相比,VNA 485定位於未來的多端口高速自動化測試應用,無螢幕緊湊的結構設計顯著提高了測量儀錶的集成度,減小了儀錶的佔用空間;提供和主流網路分析儀一樣豐富的自動化控制介面和插件,便於測試系統替換和測試軟體遷移,能滿足MES系統對接和定制測試軟體等多種自動化測試需求;儀錶還集成了高性能CPU和windows系統以及豐富的外部設備介面,可以靈活地組成各種各樣的測試系統,滿足多種測量場景的需求。  

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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