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Manually Variable Attenuators

Qualwave supplies low VSWR and high attenuation flatness from DC to 28GHz. The attenuation range is 0~101dB, attenuation steps are 0.1dB, 1dB, 10dB. And the average power handling is up to 25 watts.

Features:
  • Low VSWR
  • High Attenuation Flatness
Applications:
  • Wireless
  • Radar
  • Laboratory Test
Manually Variable Attenuators

Rotary Stepped Attenuators

Part Number Frequency (GHz) Attenuation Range/Step (dB/dB) Power (W) Connectors Lead Time (Weeks)
QSA06A DC~6 0~1/0.1, 0~10/1, 0~60/10, 0~90/10 2, 10 SMA, N 2~6
QSA06B DC~6 0~11/0.1, 0~50/1, 0~70/1, 0~100/1 2, 10 SMA, N 2~6
QSA06C DC~6 0~11/0.1, 0~70/1, 0~100/1 2, 10 N 2~6
QSA06D DC~6 0~71/0.1, 0~101/0.1 2, 10 N 2~6
QSA18A DC~18 0~9/1, 0~80/10 2, 10 SMA 2~6
QSA18B DC~18 0~69/1, 0~99/1 2, 5 SMA 2~6
QSA26 DC~26 0~69/1, 0~99/1 2, 10 3.5mm, SMA, N 2~6
QSA28 DC~28 0~9/1, 0~90/10 2, 10, 25 3.5mm, SMA 2~6

Continuously Variable Attenuators

Part Number Frequency (GHz) Attenuation Range (dB) Power (W) Connectors Lead Time (Weeks)
QCA1 DC~2.5 0~10, 0~16 1 SMA, N 2~6
QCA10-0.5-4-15 0.5~4 0~15 10 N 2~6
QCA50 0.9~4 0~10 50 N 2~6
QCA75 0.9~4 0~10, 0~15 75 N 2~6
QCAK1 0.9~10.5 0~10, 0~12, 0~15, 0~20 100 N 2~6
QCAK3 0.9~10.5 0~10, 0~12, 0~15, 0~25 300 N 2~6
QCA10-2-18-40 2~18 0~40 10 N 2~6