VNA485是一款自主開發的頻率範圍為300kHz到8.5GHz的向量網路分析儀，有2埠和4埠可供客戶選擇。適用于移動通信、衛星、雷達等領域，可在濾波器、天線、環形器、隔離器、放大器、開關等射頻元器件的研發和生產為客戶完成精確的測量。
VNA485在同類型儀錶中具備領先的性能，其動態範圍、測量速度和跡線雜訊等指標均優於市場主流產品，其高溫度穩定性、高校準一致性和高可靠性確保在長期運行時提供精確的測量結果。
VNA485具有完備的極限測試、埠延伸、夾具模擬等測量和校準功能，相容現有主流校準件和軟體介面，使客戶現有的校準件、裝備軟體、工具和矩陣開關能夠平滑遷移
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SYSTEM MEASUREMENT RANGE
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System Impedance
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50Ω(75Ω via adapter)
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Test Port Connector Type
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N-Type, Female
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Number of Test Port
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2 or 4
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Frequency Range
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300kHz to 8.5GHz
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Frequency Setting Resolution
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1Hz
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Output Power Range
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300KHz to 10MHz
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-55dBm to +10dBm
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6GHz to 8.5GHz
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-55dBm to +8dBm
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Power Setting Resolution
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0.05dB
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Number of Measurement Points
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1 to 100,001
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System Bandwidths(IFBW)
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10Hz to 1.5MHz
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System Dynamic Range1: Boost Mode @IFBW=10Hz
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300KHz to 10MHz
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125dB
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10MHz to 6GHz
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135dB
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6GHz to 8.5GHz
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130dB
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| Cross Talk |
300KHz to 10MHz
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-110dB |
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10MHz to 6GHz
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-120dB |
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6GHz to 8.5GHz
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-100dB |
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MEASUREMENT ACCURACY(UNCERTAINTY)
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Trace Noise: Meas. Power=Max Output Power
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Transmission
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300kHz to 10MHz(IFBW=3kHz)
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3mdB rms/0.02deg rms
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10MHz to 8.5GHz(IFBW=70kHz)
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4mdB rms/0.03deg rms
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Reflection
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300kHz to 10MHz(IFBW=3kHz)
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3mdB rms/0.02deg rms
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10MHz to 8.5GHz(IFBW=70kHz)
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5mdB rms/0.05deg rms
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Temperature Stability
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300kHz to 3GHz
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0.005dB/℃(Typical)
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0.1deg/℃(Typical)
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3GHz to 6GHz
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0.01dB/℃(Typical)
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0.2deg/℃(Typical)
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6GHz to 8.5GHz
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0.04dB/℃(Typical)
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0.8deg/℃(Typical)
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CORRECTED SYSTEM EFFECTIVE DATA
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Description
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300kHz to 10MHz
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10MHz to 3GHz
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3GHz to 6GHz
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6GHz to 8.5GHz
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Directivity
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46 dB
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44 dB
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38 dB
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38 dB
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Source Match
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43 dB
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40 dB
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37 dB
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36 dB
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Load Match
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46 dB
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44 dB
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38 dB
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38 dB
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MEASUREMENT SPEED
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Port Switchover time
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RF Range Fixed Mode=ON:500μs
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| RF Range Fixed Mode=OFF:2ms |
