FM IF
SYSTEM
L39
IC18
Q24
–119.0dBm
–124.6dBm
–126.4dBm
–108.4dBm
–112.3dBm
–108.9dBm
–118.7dBm
–99.3dBm
235mV
rms
254.7mV
rms
XF1
C146
Q12
C196
IC4
AF0
5
4
3
41
IC13
IC8
DAC
500mW
(BTL)
SP
IC300
197.2mV
rms
476mV
rms
147.0mV
rms
24.0mV
rms
IC8
DAC
12
13
ALC
COMP
SW
IDC
6
98
19
18
15
16
C102
6.5mV
rms
11.7mV
rms
22.7mV
rms
291mV
rms
278mV
rms
270mV
rms
409mV
rms
174mV
rms
MIC
IC13
IC7
Q20
+14.4dBm
C191
L22
C222
RF (Center frequency)
IF1 (44.85MHz)
IF2 (455kHz)
AF (1kHz)
IC7
C55
C98
C343
A1
VCO
C152
PLL
Q17
C167
C144
AF (1kHz)
RF (Center frequency)
RXLO
D23
D9
+0.6dBm
C193
Power Module
4.0W
L18
RF (Center frequency)
AF (1kHz)
IC8
DAC
RX
TX
C245
Q18
+4.0dBm
C182
TK-385
TK-385
TK-385
TK-385
51
52
KNB-16A/17A (Ni-Cd BATTERY) / KPG-36 (PROGRAMMING INTER-
FACE CABLE) / KSC-19 (CHARGER) / KRA-15 (WHIP ANTENNA)
KNB-16A
External View
KNB-17A
External View
KNB-16A
Circuit Diagram
KNB-17A
Circuit Diagram
KPG-36 External View
KSC-19 External View
KNB-16A Specifications
KNB-17A Specifications
KSC-19 Charging
Voltage ......................................... 7.2V (1.2V x 6)
Charging current .......................... 1100mAh
Dimensions (mm) ......................... 58 W x 110.8 H x 17.2 D
(Projections included)
Charger and charging time
KSC-19 (Normal Charger) ...... Approx. 8 hours
KSC-20 (Rapid Charger) ........ Approx. 1 hour
Weight .......................................... 180g
Voltage ......................................... 7.2V (1.2V x 6)
Charging current .......................... 1500mAh
Dimensions (mm) ......................... 58.0 W x 110.8 H x 20.0 D
(Projections included)
Charger and charging time
KSC-19 (Normal Charger) ...... Approx. 8 hours
KSC-20 (Rapid Charger) ........ Approx. 1.3 hour
Weight .......................................... 220g
KNB-16A
Voltage .................................... 7.2V
Battery capacity ...................... 1100mAh
Charging time .......................... Approx. 8 hours
KNB-17A
Voltage .................................... 7.2V
Battery capacity ...................... 1500mAh
Charging time .......................... Approx. 8 hours
LEVEL DIAGRAM
BLOCK DIAGRAM
T
T
Discharge pin side
Charge pin side
Thermister
Diode
Breaker
(80
±
5˚C)
Broaker
(70
±
5˚C)
Discharge pin side
Charge pin side
Thermister
Diode
Breaker
(80
±
5˚C)
Broaker
(70
±
5˚C)
T
o
mak
e measurements in the AF section, con-
nect the A
C
le
v
el meter
. (ANT input :
-53dBm,
1kHz FM, 1.5kHz DEV
.)
In the RF section, use a 1000pF coupling ca-
pacitor
. (The displa
y sho
ws the SSG input v
alue
required to obtain 12dB SINAD
.)
A
G
is set to the MIC input becomes 1.5kHz DEV
.
at 1kHz MOD
.
T
o
mak
e measurements in the AF section, con-
nect the A
C
le
v
el meter
.
In the RF section, use a 1000pF coupling ca-
pacitor
.
49
50
KRA-15 External View