The Keysight N4431B RF electronic calibration (ECal) module makes calibration of vector network analyzers fast, easy, and accurate. ECal is a precision, single-connection calibration technique for your vector network analyzer. Performing a full three- or four-port calibration takes less than half the time and number of connections using ECal versus mechanical cal kits. Furthermore, the accuracy of the calibration is comparable between electronic and mechanical methods. Traditional mechanical calibrations require intensive operator interaction, which is prone to errors. With ECal, the operator simply connects the ECal module to the network analyzer and the software controls the rest.
ECal modules are transfer standards capable of transferring the factory calibration accuracy to your network analyzer. The Keysight PNA and ENA series of network analyzers controls the N4431B module directly through a USB interface. PNA Series network analyzers require firmware revision 2.5.
Key Features:
- 9 kHz to 13.5 GHz frequency range
- Fast full 3- or 4-port calibration with a single connection
- NIST traceable accurate calibrations
- Reduced connector wear
- USB interface for direct control with PNA and ENA series of network analyzers
- Reliable solid-state switching
- Mixed connector option available (3.5 mm, Type-N 50 ohm, and 7-16)
Specifications |
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Keysight Electronic Calibration (ECal) Module Overview |
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Model | Description |
N755xA Series 2-port Economy ECal Modules |
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N7550A | DC to 4 GHz |
N7551A | DC to 6.5 GHz |
N7552A | DC to 9 GHz |
N7553A | DC to 14 GHz |
N7554A | DC to 18 GHz |
N7555A | DC to 26.5 GHz |
8509xC Series 2-port RF ECal Modules |
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85091C | 300 kHz to 9 GHz |
85092C | 300 kHz to 9 GHz |
85093C | 300 kHz to 9 GHz |
85096C | 300 kHz to 3 GHz |
85098C | 300 kHz to 7.5 GHz |
85099C | 300 kHz to 3 GHz |
N469xD Series 2-port Microwave ECal Modules |
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N4690D | DC / 300 kHz to 18 GHz |
N4691D | DC / 300 kHz to 26.5 GHz |
N4692D | DC / 10 MHz to 40 GHz |
N4693D | DC / 10 MHz to 50 GHz |
N4694D | DC / 10 MHz to 67 GHz |
N4696D | DC / 300 kHz to 18 GHz |
N443xA/B Series 4-port ECal Modules |
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N4431B | 9 kHz to 13.5 GHz |
N4432A | 300 kHz to 18 GHz |
N4433A | 300 kHz to 20 GHz |
N443xD Series 4-port Ecal Modules |
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N4431D | DC to 13.5 GHz |
N4432D | DC/300 KHz to 18 GHz |
N4433D | DC/300 KHz to 26.5 GHz |
Specifications |
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RF Electronic Calibration Module (ECal) |
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Options and Accessories |
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Part Number | Description |
N4431B-010 | Four 3.5 mm female module connectors |
N4431B-020 | Four Type-N 50 ohm female module connectors |
N4431B-101 | Port A connector is 3.5 mm female |
N4431B-102 | Port A connector is 3.5 mm male |
N4431B-103 | Port A connector is type-N 50-Ohm female |
N4431B-104 | Port A connector is type-N 50-Ohm male |
N4431B-105 | Port A connector is 7-16 female |
N4431B-106 | Port A connector is 7-16 male |
N4431B-150 | Wooden storage box |
N4431B-1A7 | Calibration + Uncertainties + Guardbanding (Not Accredited) |
N4431B-201 | Port B connector is 3.5 mm female |
N4431B-202 | Port B connector is 3.5 mm male |
N4431B-203 | Port B connector is type-N 50-Ohm female |
N4431B-204 | Port B connector is type-N 50-Ohm male |
N4431B-205 | Port B connector is 7-16 female |
N4431B-206 | Port B connector is 7-16 male |
N4431B-301 | Port C connector is 3.5 mm female |
N4431B-302 | Port C connector is 3.5 mm male |
N4431B-303 | Port C connector is type-N 50-Ohm female |
N4431B-304 | Port C connector is type-N 50-Ohm male |
N4431B-305 | Port C connector is 7-16 female |
N4431B-306 | Port C connector is 7-16 male |
N4431B-401 | Port D connector is 3.5 mm female |
N4431B-402 | Port D connector is 3.5 mm male |
N4431B-403 | Port D connector is type-N 50-Ohm female |
N4431B-404 | Port D connector is type-N 50-Ohm male |
N4431B-405 | Port D connector is 7-16 female |
N4431B-406 | Port D connector is 7-16 male |
N4431B-A6J | ANSI Z540-1-1994 Calibration |
N4431B-ABA | Printed manual English |
N4431B-UK6 | Commercial calibration certificate with test data |