Repair and Service Evaluation – HP/Agilent E4445A,E4446A,E4447A,E4448A,E5052A,E5052B

The HP/Agilent E4445A, E4446A, E4447A, E4448A, E5052A, and E5052B comprise a family of RF and microwave test instruments spanning spectrum analyzers and signal source analyzers. These devices deliver high-performance signal characterization for RF, microwave, and digital communications applications through advanced vector analysis, phase noise measurement, and transient evaluation capabilities.

– Technical Specifications

PSA Series Spectrum Analyzers (E4445A–E4448A)

• Frequency Range: E4445A: 3 Hz to 13.2 GHz; E4446A: 3 Hz to 44 GHz (to 325 GHz with external mixers); E4447A: 3 Hz to 42.98 GHz (to 325 GHz with external mixers); E4448A: 3 Hz to 50 GHz (to 325 GHz with external mixers)
• Analysis Bandwidth: Up to 80 MHz (Option 122); Up to 40 MHz (Option 140)
• Absolute Amplitude Accuracy: ±0.19 dB
• Displayed Average Noise Level (DANL): −154 to −155 dBm
• Phase Noise: −118 dBc/Hz at 10 kHz offset
• W-CDMA ACLR Dynamic Range: 81 dB
• RF Input: Type-N connector
• Output Interfaces: 21.4 MHz IF and trigger outputs

Signal Source Analyzers (E5052A/E5052B)

• Frequency Range: E5052A: 10 MHz to 7 GHz (to 110 GHz with external down converters); E5052B: 10 MHz to 7 GHz (to 26.5 GHz with E5053A; to 110 GHz with E5053A and 11970 series mixers)
• Phase Noise Measurement: Offset frequencies 1 Hz to 40 MHz (to 100 MHz on E5052B); Sensitivity to −178 dBc/Hz; Cross-correlation technique
• Transient Measurements: Frequency, phase, and power versus time with 10 nanosecond time resolution; Pretrigger capability available

– Key Features

• All-digital IF section with high-accuracy internal reference
• Automatic internal alignment and phase noise optimization
• FFT and swept measurement modes
• Power Suite for one-button power measurements
• EMI measurement capability
• Optional modulation analysis personalities: Phase Noise (Option 226), Noise Figure (Option 219), Modulation Analysis (W-CDMA, GSM w/EDGE, cdma2000)
• Multi-protocol interface support: GPIB, RS-232, LAN, USB

– Typical Applications

Phase noise characterization, frequency stability analysis, signal source evaluation, power measurement, modulation quality assessment, and EMI compliance testing across RF and microwave bands.

– Compatibility & Integration

GPIB, RS-232, LAN, and USB connectivity enable integration into automated test environments and remote monitoring systems. External mixer and down-converter support extends frequency coverage to 325 GHz (E4446A, E4447A, E4448A) and 110 GHz (E5052A/E5052B).