Repair and Service Evaluation for the HP/Agilent E4438C, E4437B, E4436B, and E4435B signal generators provides a thorough inspection and assessment of equipment condition. This service identifies faults, documents findings, and delivers a detailed repair plan with cost estimate. You receive clear visibility into required work and investment needed to restore your ESG-DP series signal generator to full operational status.
Technical Specifications
Frequency Coverage
• E4435B: 250 kHz to 2 GHz or 3 GHz
• E4436B: 250 kHz to 3 GHz
• E4437B: 250 kHz to 4 GHz
• E4438C: 250 kHz to 6 GHz (options available for 1, 2, 3, or 4 GHz)
• Frequency resolution: 0.01 Hz
Output Power
• E4438C: up to +17 dBm (standard range +13 dBm to -136 dBm)
• E4435B: +7 dBm to -120 dBm
• Level resolution: 0.02 dB
Modulation & Baseband
• Analog modulation: AM, FM, ΦM
• Digital modulation: ASK, FSK, MSK, PSK, QAM, custom I/Q
• Pulse modulation supported
• RF modulation bandwidth: up to 35 MHz, 80 MHz, or 160 MHz (external I/Q)
• Internal baseband generator with arbitrary waveform and real-time I/Q
• Waveform memory: 64 MSa playback (E4438C); 1 Msample/4 MB (E4435B)
• Sample rate: 40 MHz
Performance
• Phase noise: E4438C -134 dBc/Hz; E4436B -130 dBc/Hz @ 1 GHz, 10 kHz offset
• Frequency switching (modulation on): <35 ms
• Frequency switching (modulation off): <9 ms
• Reference oscillator aging: <±1 ppm/yr
– Key Features
Dual-mode baseband generation with real-time I/Q capabilities and configurable waveform memory. Fast frequency switching supports dynamic test scenarios. High phase noise performance enables demanding communication system validation.
– Typical Applications
Analog and digital communication system testing. RF component characterization across multiple frequency bands. Modulation format validation from basic AM/FM through complex QAM and custom waveforms.
– Compatibility & Integration
Remote Control: GPIB and 10BaseT LAN
Drivers: SCPI and IVI-COM
Form Factor: Rack-mountable; front panel connectors movable to rear panel with option
