See Differences between the PNA-X and N522xB Models
See N523xB rear-panel.
Click image to learn more.
CPU Version 9.0
CPU Version 7.0/8.0/9.0 Connector Reference
The following table shows the connectors for CPU versions 7.0, 8.0, and 9.0:
Connector Name | CPU 7.0, 8.0 | CPU 9.0 |
VGA | Yes | No |
Display Port Mini | Yes | No |
Display Port | No | Yes |
1GB LAN | Yes | Yes |
10GB LAN | No | Yes |
GPIB | Yes | Yes |
USB3 (rear panel) | 2 Ports | 4 Ports |
USB2 (rear panel) | 1 Port | 0 Ports |
USB-B 3.0 Device Side | Yes | Yes |
USB-C (USB 3.1/Thunderbolt) | No | Yes |
PCIe | Yes | No |
SATA 2.5 SSD | Yes | No |
NVMe SSD | No | Yes |
10 MHz Reference IN/OUT
10 MHz Reference Input When a 10 MHz external reference signal is detected at this port, it will be used as the instrument frequency reference instead of the internal frequency reference.
10 MHz Reference Output This BNC(f) connector outputs a frequency reference signal for use by other test equipment.
Press Setup > Internal Hardware > Reference... to switch external/internal reference.
From SCPI, use SENS:ROSC:SOUR
See Specifications
See Reference
Line Power
See Specifications
SRC3 Connector
Provides a synthesizer output from 10 MHz to 13.5 GHz (Option XSB) and also requires Option 422 or 423.
GPIB Controller and Talker/Listener Ports
The PNA-X can be a GPIB Controller and Talker/Listener. Learn more.
PCIe X4 Connector(CPU 8.0, 7.0)
The PCIe X4 connector is a 4-lane slot for future enhancements.
USB Hub
This USB hub contains two SuperSpeed USB ports to power your VNA peripherals. There is also one USB port below the LAN connector, one USB device port, and four USB ports on the front panel.
Limitation: The total current limit for all rear panel USB ports is 2.3 amps. The total current limit for all front panel USB ports is 2 amps. When first connected, Keysight ECal modules 8509x and N4431 draw significantly more current than other modules. See Specifications.
PNA with CPU Version 9.0
This USB hub contains four SuperSpeed USB ports to power your VNA peripherals. There is also one USB device port, and four USB ports on the front panel. The CPU 9.0 provides a total current limit on the four USB-3.0 ports of 3.6 amps.
See Important First-time USB connection note.
Display Port (CPU 9.0)
The Display Port is used to connect to external displays and replaces the VGA connector.
USB Device Learn more
USB-C Connectors (CPU 9.0)
Two USB-C connectors with support for:
USB-3.1 (maximum Power Delivery of 5V@1A)
Thunderbolt3 (maximum Power Delivery of 5V@1A)1
Display Port (port TB1 only)
1(high power devices require external power supply)
1G LAN Connector (CPU 9.0)
Gigabit Ethernet port supports speeds up to 1 Gb/s.
10G LAN Connector(CPU 9.0)
Gigabit Ethernet port supports speeds up to 10 Gb/s1.
1Wake on LAN not supported on 10G LAN.
LAN Connector
This 10/100/1000 BaseT Ethernet connection has a standard 8-pin configuration and auto selects between the data rates.
Mini DisplayPort Connector(CPU 8.0, 7.0)
The Mini DisplayPort is a miniature DisplayPort connector for connection to external displays.
VGA Connector(CPU 8.0, 7.0) Learn more
Solid State Drive (SSD)(CPU 8.0, 7.0)
See Service Guide to learn how to remove the SSD. (Internet connection required)
See Preventing VNA SSD Problems
NVMe Solid State Drive (SSD)(CPU 9.0)
Non-Volatile Memory Express solid state drive.
See Service Guide to learn how to remove the SSD. (Internet connection required)
See Preventing VNA SSD Problems
RF Path Access
These connectors are NOT available on the N522x and N5264B models.
These connectors allow RF Path Configuration.
Ports 3 and 4 are not available on 2-port models.
N5247A - J8 thru J11 are moved to the front-panel.
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RF and LO OUT
The RF OUT connector is NOT available on the N5264B
For the N5247B and N5227B:- Added RF2 OUT (J12) for 4-port 110 GHz single sweep VNA. Enables driving two mmWave modules simultaneously. Learn more.
Caution: LO OUT has more power than previous VNA models.
See specifications
IF Path Inputs
Option 020 adds these connectors, which allow access to the VNA Receiver / IF paths.
These are labeled A, B, C/R1, D/R2, R.
For 2-port models, use A, B, R1, R2.
For 4-port models, use A, B, C, D, R.
See IF Path Configuration settings and block diagram.
Power I/O
See Details
+28 VDC (BNC output)
Used to power a noise source for the Noise Figure App.
- Maximum steady-state current = 300 mA.
- Maximum in-rush current = 500 mA.
- This output is protected with a self-healing fuse.
External and AUX Trigger I/O
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MEAS TRIG IN - When enabled, VNA is triggered by signals on this connector. Learn more. |
MEAS TRIG RDY When enabled, VNA outputs a 'READY' signal on this connector to other devices. Learn more. |
AUX TRIG 1&2 IN When enabled, VNA accepts signals on these connectors which indicates that the external devices are ready to be triggered. Learn more. |
AUX TRIG 1&2 OUT When enabled, VNA outputs signals on these connectors either before or after a measurement. Learn more. |
Test Set I/O
See Details
Bias IN and Fuses
Connect your DC Power Supply to apply Bias to the VNA ports through these BNC connectors.
The bias fuses are rated for 0.5A. You are responsible to ensure that devices connected to the test port do NOT draw more current than 0.5A. This will occur, for example, if a calibration SHORT is connected to the test port with bias power ON. The fuse Keysight part number for the PNA-X is 2110-0824.
The VNA will meet all of its RF specifications with bias up to 200 ma. As the DC bias is increased, corrected source match and directivity will degrade at low RF frequencies.
Material Handler I/O
See details.
Pulse I/O
See Details
CPU
See CPU Speed / Performance
See Determine Your VNA's CPU Version (Internet connection required)
