SL1027P AUK corp, SL1027P Datasheet - Page 4

• Manufacturer Part Number: SL1027P
• Description: DUAL PREAMPLIFIER WITH ALC
• Manufacturer: AUK corp

Test Method
Information of Operating
1. ALC Circuit
The ALC circuit is consist of Q1, Q2 and some external components. The output level of
amplifier is rectified by external circuits and this rectified DC level is applied to the ALC
input terminal(Pin 7).
Sym-
CH
THD
ACB
I
G
V
bol
AW
V
AD
G
CCQ
OM
VO
NI
SEP
V
SW1-1
SW1-2
7
SW 1 SW 2 SW 3 SW 4 SW 5 SW 6
1→2
2→1
2
1
1
1
1
2
1
1
1
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
V c c
Switch Position
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
Q 1
1
1
1
1
1
1
1
2
2
2
Q 2
6
1
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
+
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
KSI-W021-000
5
4
+
Measure-
Location
ment
a, b
a, b
-
+
b
b
b
b
b
b
-
c
A M P
Read ammeter
G
G
Measure output voltage(V
at THD=1%
Measure distortion factor
Measure crosstalk of amp
Input voltage range from when input
voltage V
voltage V
Output voltage V
amp 1,2 when input voltage V
-20dBm is applied.
Measure distortion factor when input
voltage V
at V
1,2 at output voltage V
Convert output noise voltage
at 1KHz gain when Rg = 2.2KΩ
VO
V
= 20log(V
= 20log(V
O
=0.5V
O
IN
+
IN
goes up 3dB
= -20dBm is applied.
Test Method
O
O
=-60dBm until output
2
/ V
/ V
IN
O
IN
) [dB]
level difference of
) [dB]
SL1027P
O
O
= 0dBm
)
S i g n a l
I n p u t
IN
=
4