Difference between revisions of "0/10/20/30 dB Attenuator"
Jump to navigation
Jump to search
Blwikiadmin (talk | contribs) (→Specs) |
Blwikiadmin (talk | contribs) |
||
| Line 20: | Line 20: | ||
== Measurements == | == Measurements == | ||
| − | * NanoVNA | + | * Characterized filters uinf NanoVNA |
| − | ** 1 to 900 MHz | + | ** 1 to 900 MHz (card spec is up to 4 GHz) |
** Through calibrated with SMA barrel and same cables was flat | ** Through calibrated with SMA barrel and same cables was flat | ||
Revision as of 15:48, 3 October 2021
- DC-4.0GHz 200mW DC 4.0GHz RF Fixed Attenuator SMA Double Female Head 0dB 10dB 20dB 30dB
Contents
Specs
- From the AliExpress listing
- $5 with shipping (2021-10)
- Frequency range: DC - 4.0GHz
- Maximum power: 23dBm (200mW)
- Standing wave ratio: ≤ 1.20
- System impedance: 50Ω
- RF interface: SMA double female head (Outer screw inner hole)
- Attenuation:
- Direct: 0dB (reference)
- Level 1: 10 ± 0.8 dB
- Level 2: 20 ± 1.1 dB
- Level 3: 30 ± 1.5dB
Measurements
- Characterized filters uinf NanoVNA
- 1 to 900 MHz (card spec is up to 4 GHz)
- Through calibrated with SMA barrel and same cables was flat
0 dB
10 dB
20 dB
30 dB
Calibrating NanoVNA through the card
- Calibrate on pass through
0 dB
10 dB
20 dB
30 dB
