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CHT4012-98F Datasheet(PDF) 3 Page - United Monolithic Semiconductors |
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CHT4012-98F Datasheet(HTML) 3 Page - United Monolithic Semiconductors |
3 / 14 page DC-6GHz 6-BIT DIGITAL ATTENUATOR CHT4012-98F Ref. : DSCHT40121069 - 10 Mar 11 3/14 Specifications subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Definitions n: Attenuator state index with 0 ≤ n ≤ 63 Phase_S21(n): Measured phase of S21 in degree at attenuation state n dB_S21(n): Measured magnitude of S21 in dB at attenuation stateni Attenuation Error (Att_err) Att_err(n)= dB_S21 (n) - dB_S21(0) –0.5xn (dB) The translation of Att_err(i) from dB to linear is given by: Att_err_lin(n) = 20 ) ( _ 10 n err Att Phase variation (Phivar) Phivar(n) = Phase_S21(n) - Phase_S21(0) (°) RMS Attenuation Error (Rms_att) Rms_att = 63 0 2 )) ( _ _ 1 ( . 64 1 1 log 20 n n lin err Att (dB) RMS Phase variation (Rms_Phivar) Rms_Phivar = 64 )) var( ( 63 0 2 n n Phi (°) Absolute Maximum Ratings (1) Tamb.= +25°C Symbol Parameter Values Unit V+ Maximum positive bias voltage 8 V V- Minimum negative bias voltage -8 V Ai CTRL voltage (Vctrl _low, Vctrl _high) -2, 8 V Pin Maximum Input power 23 dBm Tj Junction temperature 175 °C Ta Operating temperature range -40 to +85 °C Tstg Storage temperature range -55 to +150 °C (1) Operation of this device above anyone of these parameters may cause permanent damage. |
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