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RF Cable Assemblies

VNA special test cable- high performance phase stable


Introduction

High performance phase stable test cable is a Special VNA test cable which has special NMD connector connected with VNA. This cable has super stable VSWR and insertion loss value, and solid mechanical structure, which can withstand bending, extruding, twisting, stretching and other external forces and maintain reliable performance.

Feature:

Phase and amplitude stable with flexure

Crush and Abrasion resistance

Accurate measurements

Long service life

High degree of flexibility and low spring-back



1.Materials and structures

Connector material and surface treatment
Cable material and structural characteristics
housing
Passivation of stainless steel
Central conductor
Silver plating on copper
Central conductor
Heat treatment gold plating of beryllium bronze
insulator

Environmental adaptability
Outer conductor
Silver plated copper tape wrapping
Continuous service temperature
0℃~+40℃
Outer shield
Copper wire silver plated braid
Storage temperature
-40℃~+75℃
Outer sheath
Multilayer shielding sheath


Minimum bending radius
50mm


2. Typical parameters

Instrument port

Cable port 1
Cable port 2

frequencyGHz

standing waveMax

Insertion loss
Amplitude stability
Phase stability

Type N

female

Type N

male

Type N male
18
1.20:1
<1.5dB
<±0.05dB
<±2.0°
Type N female
NMD3.5mm male
3.5mm female

NMD3.5mm

male


NMD3.5mm

female


NMD3.5mm male
26.5
1.25:1
<1.8dB
<±0.05dB
<±2.5°
3.5mm female
Type N male
18
1.20:1
<1.5dB
<±2.0°
Type N female

NMD2.92mm

male

NMD2.92mm

female

NMD2.92mm male
40
1.30:1
<2.8dB
<±0.05dB
<±3.0°
2.92mm female
NMD2.4mm male
2.4mm female

NMD2.4mm

male


NMD2.4mm

female

NMD2.4mm male
50
1.35:1
<3.2dB
<±0.05dB
<±3.5°
2.4mm female
NMD2.92mm male
40
1.30:1
<2.8dB
<±3.0°
2.92mm female

NMD1.85mm

male

NMD1.85mm

female

NMD1.85mm male
67
1.50:1
<5.8dB
<±0.05dB
<±6.5°
1.85mm female



Typical value of phase stability test
Typical value of amplitude stability test


3. Ordering Information



Remarks:Part number coding for different connector and different length












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