TDA8783M データシートの表示（PDF） - Philips Electronics
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TDA8783M Datasheet PDF : 16 Pages
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Philips Semiconductors
True logarithmic amplifier
Product specification
TDA8780M
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Vout
(mV)
800
MLD209
600
Rg = 0
Rg = 3.3 kΩ
400
Rg = ∞
200
0
80
60
40
20
0
20
Vin (dBm, 50 Ω)
VCC = 5 V; Vref = 2.5 V; fin = 10 MHz; Tamb = 25 °C.
Fig.3 Output voltage dependence on Rg.
handbo1o0k,0h0alfpage
Vout
(mV)
800
MGC118
600
400
200
0
80
60
40
20
0
20
Vin (dBm, 50 Ω)
Fig.4 Typical transfer characteristics.
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Vout
(mV)
75
MGC666
50
Rg = 0 Rg = 3.3 kΩ
25
Rg = ∞
0
0
50
100
Vin (µV)
Fig.5 Typical small signal gain.
1995 Jul 25
8
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