CHC3014-99F_15 Datasheet, PDF (4/20 Pages) United Monolithic Semiconductors – X-band Core Chip

CHC3014-99F
X-band Core Chip
Definitions
Phase(i,j) =Phase_S21 in degree
dB_S21(i,j) =dB_S21 in dB
i: Phase state index, 0 ≤ i ≤ 63
j: Fine attenuation state index, 0 ≤ j ≤ 63
Peak Phase Error (PPE)
PPE(i,j) = Measured_Phase(S21)@state(i,j) - Measured_Phase(S21)@state(0,j) -
theoreticalPhaseValue@State(i,j)
Amplitude Variation (Ampvar)
Ampvar(i,j) = Measured_dB_S21@state(i,j) - Measured_dB_S21@state(0,j)
(i) is the phase state and in the range [0:63]
Amp var(i, j)
The translation of Ampvar(i,j) from dB to linear is given by: Ampvar(i,j)_lin = 10 ²⁰
Attenuation Error (Att_err_att)
Att_err(i,j) = Measured_dB_S21@state(i,j) - Measured_dB_S21@state(i,0) –
theoretical_dB_S21@state(i,j)
Att _ err (i, j)
The translation of Att_err(i,j) from dB to linear is given by: Att_err(i,j)_lin = 10 ²⁰
Phase variation (Phivar_att)
Phivar(i,j) = Measured_Phase(S21)@state(i,j) - Measured_Phase(S21)@state(i,0)
RMS Peak Phase Error (Rms_pe)
∑63
(PPE(i, j) − PPE)²
Rms_pe = ⁱ⁼⁰
64
∑⁶³
PPE(i, j)
Where PPE = ⁱ⁼⁰
64
RMS Amplitude Variation (Rms_Ampvar)
∑ ^{Rms_Ampvar = 20 log}_{}^{1 +}
1
63
.
(1 −
64 _i=0
Amp var(i,
j) _ lin)²

(dB)
Ref. : DSCHC3014-0293 - 20 Sep 10
4/20
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax: [phone]
Specifications subject to change without notice