HP4935A Transmission Impairment Measuring Set (TIMS)
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eBay 8904A search
- 20 Hz - 110 kHz output, -40 to +13 dBm with a resolution of 0.1 dB
- 20 Hz - 110 kHz input for power measurment. -60 to +13dBm with a resolution of 0.1 dB
- 20 Hz - 110 kHz input for frequency measurment.
- Probably best used in pairs.
- 135 Ω, 600 Ω, & 900 Ω impedances
- Noise measurments.
- Connection for DTMF dialing.
- Option 001 adds rechargeable battery pack.
- Frequency output was measured off by ~ -0.002%
1kHz, Harmonics
1kHz, Sidebands
10kHz, Harmonics
File transfer failure. Second harmonic at 20 kHz -68.451db.
10kHz, Sidebands
100kHz, Harmonics
100kHz, Sidebands
