Agilent / Keysight 8648C Synthesized RF Signal Generator, 9 kHz to 3200 MHz
Agilent / Keysight RF Signal Sources. Frequency Range: 9 kHz to 3.2 GHz, Power Range (dBm): +13 dBm to –136 dBm.
- Model
- Agilent / Keysight 8648C
- Calibration
- Available on request
- Price
- $1,908
- Status
- In stock
- RFQ ref
- 8648C
This unit
The Agilent/Keysight 8648C is a synthesized RF signal generator delivering 9 kHz to 3.2 GHz frequency coverage for manufacturing test, receiver validation, and general R&D signal generation. It combines cost-effective operation with enhanced residual FM, level accuracy, and phase noise performance over its 8647A predecessor.
Technical Specifications
Frequency Range: 9 kHz to 3.2 GHz Frequency Resolution: 0.001 Hz (settleable); 10 Hz (display) Output Power: +13 dBm to –136 dBm typical; +16 dBm typical for carrier frequencies between 100 kHz and 100 MHz. Optional high-power output available. Combining options 1E6 with 1EA reduces maximum output power by 2 dB above 100 MHz. Level Accuracy: ±1 dB from maximum specified output power to –127 dBm below 1 GHz. Typically ±3 dB below –127 dBm in the range 100 kHz to 2500 MHz. At 25°C ±5°C; typically degrades ±0.5 dB over 0°C to 50°C or at output levels >13 dBm. ±3 dB for power levels between –100 dBm and –127 dBm below 100 kHz or above 2500 MHz. Modulation: AM, FM, and phase modulation standard. Optional pulse modulation available. FSK deviation accuracy with Option 1EP: ±60 Hz. AM accuracy ±7% of setting ±1.5% at <70% depth over 0°C to 50°C. Spectral Purity: Harmonics <–30 dBc (output ≤+4 dBm). Subharmonics <–60 dBc below 1 GHz, <–50 dBc to 3.2 GHz. Residual FM: <7 Hz typical <4 Hz below 249 MHz; <4 Hz typical <2 Hz below 501 MHz; <7 Hz typical <4 Hz below 1 GHz; <14 Hz typical <8 Hz below 2 GHz; <28 Hz typical <12 Hz to 4 GHz. SSB phase noise at 20 kHz offset: <–120 dBc/Hz at 500 MHz, <–116 dBc/Hz at 1 GHz, <–110 dBc/Hz at 2 GHz. Internal Modulation Sources: 400 Hz or 1 kHz; audio generator option available. Front panel BNC connector at nominally 1 Vp into 600 Ω. External Reference: Accepts 2, 5, 10 MHz ±10 ppm typical.Typical Applications
- High-volume manufacturing test (cordless phones, pagers, two-way radios)
- Semi-automated receiver testing
- General-purpose R&D signal generation
- Extended frequency coverage applications
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 3.2 GHz | Power Range (dBm): '-140 dBm to +13 dBm | Voltage / Current Range: 100/120/220/240 VAC ±10% |
Agilent / Keysight 8648C — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Agilent / Keysight 8648C. Calibration covers output frequency accuracy, output power level accuracy across the full frequency range, AM/FM/PM/pulse modulation accuracy, harmonic and spurious output levels, and phase noise floor verification. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common Agilent / Keysight 8648C faults: YIG oscillator failure (no output or loss of lock), step attenuator wear (output drops or steps at set attenuation), ALC loop failure (uncontrolled output power), I/Q modulator assembly failure. HP/Agilent 836xx series most common faults are YIG oscillator failure and step attenuator contact wear causing output steps or drops at specific attenuation settings. Keysight E4428C/E4438C units most commonly develop ALC loop failure and I/Q modulator assembly faults. YIG oscillator replacement and attenuator service are stocked repairs.
Agilent / Keysight 8648C price
This Agilent / Keysight 8648C is listed at $1,907.8. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Agilent / Keysight 8648C calibration cost
NIST-traceable calibration for the Agilent / Keysight 8648C is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers output frequency accuracy, output power level accuracy across the full frequency range, AM/FM/PM/pulse modulation accuracy, harmonic and spurious output levels, and phase noise floor verification. Turnaround is 1 to 3 business days after receipt. See full calibration details →
