BRL Test, Inc.

Electronic Test Equipment

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8657J - Keysight / Agilent Signal Generators


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  • Model: 8657J
  • Manufactured by: Keysight / Agilent
  • Frequency Range Max.: 1.03GHz
  • Freq. Resolution: 1.0Hz
  • Output Power: -144 dBm to +13 dBm
  • Modulation: AM, FM, Pulse, PSK
  • Extra Specifications: Signal Generators for PHS

The Agilent 8657J signal generator adds Pi/4 DQPSK digital modulation capability to conventional AM, FM, and pulse modulation formats. The Agilent 8657J builds on the excellent performance of the Agilent 8657 signal generator by adding digital modulation capability. The Agilent 8657J tests radios for Japanese digital cordless telephone systems, called Personal Handiphone System (PHS).

  • 100 kHz to 1030 MHz analog range
  • Standard AM and FM modulation
  • Pi/4 DQPSK modulation for PHS
  • Pulse modulation
  • <3.2% error vector magnitude
  • Digital RF frequency bands for PHS
  • Frequency Resolution 1 Hz
  • Frequency Switching Time 35 ms
  • Time base stability 2 /yr
  • Minimum Output Power -144 dBm
  • Maximum Output Power 13 dBm
  • Power Resolution 0.1 dB
  • Output Accuracy 1.5 dB
  • Output Impedance 50 Ohm
  • Maximum Single-Side-Band Noise -130 dBc/Hz
  • Harmonics (noise) -30 dBc
  • Non-harmonics (noise) -54 dBc
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