3-2. SCHEMATIC DIAGRAM — Canadian Model —
IT-B7
– 7 –
– 8 –
• IC Block Diagram
U1 BA8206
1
2
3
4
5
6
7
8
LOW
FREQ.
OSC
HIGH
FREQ.
OSC
POWER
SUPPLY
WITH
HYSTERESIS
AMP
VCC
RSL
LFI
LFO
OUT
HFI
HFO
GND
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 12 V and fed with regulated dc power
supply from JP1 with 100
Ω
in series.
• Voltage is dc with respect to ground under no-signal
condition.
no mark : OFF HOOK
(
) : ON HOOK
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
N
: RX
O
: TX
