TK-2317
46
LEVEL DIAGRAM
FM IF
SYSTEM
BASEBAND
IC
CML
SG
–53dBm
50
Ω
ANT
–58.0dBm
–74.8dBm
–67.6dBm
–55.0dBm
–52.6dBm
–47.5dBm
–60.8dBm
–33.47dBm
174mVr
ms
71mVr
ms
1.
9
Vr
ms
1.
9
Vr
ms
1.
9
Vr
ms
C48
9
C478
C467
C455
C43
9
C433
C42
9
C8
9
3C
9
14
C
9
26
+
SP
500mW
Q81
9
Q818
IC815
IC812
IC401
Q405
XF401
MIXER
Q406
Q407
RF (CENTER FREQ
UENCY)
IF1 (4
9
.
9
5MHz)
IF2
450kHz
AF (1kHz)
IC812
BASEBAND
IC
CML
AF
AMP
C67
–11.2dBm
TX
VCO
C73
5.2dBm
C77
2.2dBm
C20
9
5.3dBm
C222
18.5dBm
C243
36.2dBm
ANT
50
Ω
MIC
15.1mVr
ms
216mVr
ms
1.5dBm
38.2dBm
C264
11.8dBm
C217
Q8
Q
9
RXLo
D17
D18
Q201
Q203
Q204
Q205
AF (1kHz)
RF (CENTER FREQ
UENCY)
R8
9
7
T
o mak
e measurements in the AF section, connect the A
C le
v
el meter
.
(ANT input:
–53dBm,1kHz FM, 1.5kHz De
v (Narro
w)).
In the RF section, use a high impedance probe
. (ANT input:
–53dBm, MOD off).
A
G is set to the MIC input becomes 1.5kHz De
v, At 1kHz MOD
. (Narro
w)
T
o mak
e measurements in the AF section,connect the A
C le
v
el meter
.
In the RF section, use a 1000pF coupling capacitor
.
Receiver Section
T
ransmitter Section