Chapter 1 Differences

Firmware Revisions

The Agilent E4350B/E4351B SAS firmware resides in the front panel board’s ROM chip (A3U4), the GPIB board’s ROM chip (A2U106), and in the DSP board’s ROM chips (A5U734 and A5U735).

Use the *IDN query as described in chapter 3 of the Service Manual to get the firmware revision numbers.

Chapter 2 Differences

Test Equipment Required

Table 2-2. Test Equipment Required for Verification

Type

Current Monitor Resistor

DC Power Supply

Digital Voltmeter

Required Characteristics

15A (0.1 Ohm) +/- 0.04%

5V @ 10A

Resolution: 10 nV @ 1 V

Readout: 8 1/2 digits

Accuracy: 20 ppm

Recommended Model

Guildline 9230/15

Agilent 6642A, 6653A

Agilent 3458A

Electronic Load

GPIB Controller

Load Resistor

(for CC rms ripple and noise tests)

Oscilloscope

RMS Voltmeter

Voltage and current range must exceed range of supply under test. Power range: 500 W min.

Full GPIB capabilities

2 – 16 Ohm 300W (adjusted for 15 Ohm each connected in parallel or series)

1 – 1.6 Ohm 300W

Sensitivity: 1 mV

Bandwidth limit: 20 MHz

Probe: 1:1 with RF tip

True rms bandwidth: 20 MHz

Sensitivity: 100 uV

Agilent 6050A mainframe with Agilent 60504A (60 V) plug-in module, or Agilent 60504A-J10 (120

V)plug-in module. HP Series 300 Ohmite E300K16R

Ohmite E300K1R6

Agilent 54504A

Agilent 3400B

Variable-Voltage Transformer

Adjustable from -13% to +6% of input range.

Power: 1 kVA min.

Superior Electric

0 to 280 Vac, 7.5 A (226U)

0 to 140 Vac, 15 A (126U)

Service Addendum

3

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Agilent Technologies E4350B, E4351B service manual Firmware Revisions, Test Equipment Required

E4351B, E4350B specifications

Agilent Technologies, a leader in electronic measurement, offers a range of advanced solutions, including the E4350B and E4351B switching systems. These models are specifically designed to meet the increasing demands of modern testing environments, providing high reliability and precision for a variety of applications.

The Agilent E4350B is known for its low resistance switching capabilities, making it an ideal choice for applications requiring accurate and repeatable measurements. It supports up to 16 channels of low resistance testing, allowing engineers to simulate complex electrical paths and identify potential issues in circuit designs. With an optional temperature measurement capability, users can monitor the thermal performance of components directly during tests.

On the other hand, the E4351B model enhances flexibility with a modular design, offering an extensive range of input and output configurations. This instrument is particularly well-suited for automated test systems, providing the ability to connect multiple devices and manage them seamlessly. Its high-speed switching technology enables quick toggling between channels, ensuring that large datasets can be acquired swiftly without compromising accuracy.

Both models employ advanced contact technology, which minimizes the potential for signal degradation, ensuring that users receive reliable data with minimal noise interference. This feature is crucial in applications where signal integrity is paramount, such as in research and development or quality assurance processes.

Enhanced user interfaces simplify operations for both novice and experienced technicians. The built-in touchscreen and intuitive navigation allow for easy setup and operation, significantly reducing the learning curve. Furthermore, the comprehensive software support provided by Agilent facilitates integration with various programming environments, allowing for custom test sequences tailored to specific needs.

Moreover, both E4350B and E4351B systems are built with durability in mind. The robust construction ensures long-term reliability, reducing downtime and maintenance costs. This makes them ideal candidates for both laboratory settings and field operations where consistent performance is critical.

In summary, Agilent Technologies’ E4350B and E4351B models are distinguished by their precision, flexibility, and robust performance. Their advanced features and user-friendly design make them suitable for a wide variety of applications, from routine testing to complex R&D projects. By leveraging modern switching technologies, these systems set a high standard for electronic measurement, aiding engineers in developing reliable electronic solutions.