CXL1502M 查看數據表（PDF） - Sony Semiconductor

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CXL1502M

CMOS-CCD Signal Processor

Sony Semiconductor 

CXL1502M

∗5 GHC, GHY, GHD and GHT are output gains of C-CD, Y-YD, YD and TH pins when a 150mVp-p,

4.437525MHz sine wave is simultaneously fed to CCD2-C, CCDY, CCD3 and CCD1 pins, respectively. Bias

at input (VBIAS1, VBIAS2, VBIAS3 and VBIAS4) is tested respectively at VID + 0.25V, VIY – 0.25V, VIC – 0.25V

and VIT – 0.25V.

(Example of calculation)

GHC = 20 log C-CD pin output voltage [mVp-p] [dB]

150 [mVp-p]

∗6 Indicates the dissipation at 4.437525MHz in relation to 203.126kHz. From the output voltage at TH, C-CD,

Y-YD and YD pins when a 150mVp-p, 203.126kHz sine wave is simultaneously fed to CCD1, CCD2-C,

CCDY and CCD3 pins, and from the output voltage at TH, C-CD, Y-YD and YD pins when a 150mVp-p,

4.437525MHz sine wave is simultaneously fed to same, calculation is made according to the following formula.

The input block bias for VBIAS1, VBIAS2, VBIAS3 and VBIAS4 is tested at VID + 0.25V, VIY – 0.25V, VIC – 0.25V

and VIT – 0.25V, respectively.

(Example of calculation)

fT = 20 log TH pin output voltage (4.437525MHz) [mVp-p] [dB]

TH pin output voltage (203.126kHz) [mVp-p]

∗7 The differential gain (DG) and the differential phase (DP), when the 5-staircase wave in the following figure

is fed, are tested with a vector scope:

150mV

1H 64µs

275mV

500mV

150mV

CCD3 pin input waveform (the input waveform of CCD1, CCD2-C and CCDY pins is the inverted waveform

of the figure above.)

∗8 The noise level of output signal at no-input signal is tested with a video noise meter in the Sub Carrier Trap

mode at BPF 100kHz to 5MHz. Vn [Vrms]

The signal component is determined either by testing the output voltage (the same test system as that of

noise level) at input of 350mVp-p, 203.126kHz, or by performing calculation from the values of GLT, GLC,

GLY and GLD in accordance with the following formula. Vs [Vp-p]

(Example of VS calculation)

GLT

VS-T = 0.35 × 10 20 (VS-T: TH output voltage)

(Example of S/N ratio calculation)

SNT = 20 log VN-T (noise component) [Vrms] [dB]

VS-T (signal component) [Vp-p]

–8–

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