IR3Y30M データシートの表示（PDF） - Sharp Electronics
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IR3Y30M Datasheet PDF : 22 Pages
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IR3Y30M/M1
PARAMETER SYMBOL
CONDITIONS
AGC circuit (contd.)
AGC maximum gain
Apply signal 3 to SG43 and SG43 = 20 mVp-p
GAMAX1
(1)
measure the amplitude on V39 = 4 V, V41 = 5 V
AGC maximum gain
TP36.
GAMAX2
(2)
GA1 to GA4 = 20*LOG
SG43 = 20 mVp-p
V39 = 4 V, SW41/(a)
AGC minimum gain
(TP36 amplitude/SG43
GAMIN
amplitude)
SG43 = 400 mVp-p
V39 = 2 V, V41 = 5 V
AGCOFF gain
SW41, SW43/(b),
SG43 = 200 mVp-p
GAOFF
Pulse/CLP, R35 = 220 k$ V39 = 4 V, V41 = 0 V
Apply signal 3 to SG43 and measure the
Output dynamic
range
amplitude on TP36.
DA SG43 = 50 mVp-p, SW41, SW43/(b),
Pulse/CLP, V39 = 4 V, V41 = 5 V,
R35 = 220 k$
Frequency
characteristic (1)
Apply signal 4 to SG43.
Increase the frequency of SG43 = 10 mVp-p
fA1 signal 4 until the frequency R35 = 22 k$
components of the signal on V39 = 4 V
TP36 are 3 dB lower than
Frequency
characteristic (2)
that at f = 100 kHz, and
SG43 = 200 mVp-p
fA2 measure the frequency of
R35 = 220 k$
signal 4. SW41/(b),
Frequency
characteristic (3)
Pulse/CLP, V41 = 5 V
When measuring case (2), SG43 = 10 mVp-p
fA3
adjust the V39 such that the R35 = 22 k$
amplitude of the output on V39 = 4 V
TP36 is 200 mVp-p.
f = 9.5 MHz
Apply signal 3 to SG43, change V41, and
measure the voltage of V41 when the gain on
AGC ON/OFF
switching voltage
TP36 changes from –3.5 to 0 dB. The gain on
VAGC
TP36 : 20*LOG (TP36 amplitude/SG43 amplitude)
SG43 = 400 mVp-p, SW43, SW41/(b),
Pulse/CLP, V39 = 2 V, R35 = 220 k$
Reference voltage 1 VREF Measure the voltage on TP37A.
With I37 = +500 µA, measure the change in
Reference voltage 2 ∆VREF2 voltage on TP37B.
SW37/(b)
With I37 = –500 µA, measure the change in
Reference voltage 3 ∆VREF3 voltage on TP37B.
SW37/(b)
MIN.
27
15.5
–6.5
–2
0.55
3.5
7.0
0.4
1.84
0
–0.30
TYP.
29
18.0
–3.5
0
0.75
4.5
10.0
–35
0.6
1.94
0.15
–0.15
MAX.
31
20.5
–0.5
2
–25
0.8
2.04
0.30
0
UNIT
dB
Vp-p
MHz
dB
V
V
V
V
16
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