參數(shù)資料
型號(hào): UPD9930G-22
廠商: NEC Corp.
元件分類(lèi): Codec
英文描述: LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
中文描述: 線性編解碼器數(shù)字蜂窩電話
文件頁(yè)數(shù): 72/78頁(yè)
文件大?。?/td> 336K
代理商: UPD9930G-22
μ
PD9930
72
Voice receive level diagram (accessory output)
Remarks 1.
Thick line: Indicates case where gain of digital gain control is set to 0 dB.
Thin line:
Indicates case where gain of digital gain control is set to –2.4 dB.
2.
Overload level: 3.17 dBm0.
0 dB (fix)
0 to –2.4 dB
(0.8 dB steps)
D/A
Accessory
output
0
–10
–20
–30
–40
–50
–60
–18.4 dBm
–20.8 dBm
–10 dBm0
[dBm]
0
–10
–20
–30
–40
–50
–60
Digital
gain control
[dBm0]
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