NJM2549
ꢀ
EVALUATION BOARD
The evaluation board is useful for your design and to have more understanding of the usage and performance of
this device. This circuit is the same as TEST CIRCUIT. Note that this board is not prepared to show the
recommendation of pattern and parts layout.
Circuit Diagram
V+
RSSI OUT
AF OUT
T1
R2
2.4k
C4
100p
C7
0.01u
C6
82p
C5
3p
10
9
8
7
6
QUAD
DET
IF AMP
RSSI
1
2
3
4
5
C1
C2
C3
0.01u
0.01u
0.01u
C9
10u
C8
0.01u
R1
51
IF IN
List of Component
Items
Designation
Value
0.01uF
0.01uF
0.01uF
100pF
3pF
Items
Resistor
Resistor
Designation
Value
51Ω
2.4kΩ
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
C1
C2
C3
C4
C5
C6
C7
C8
C9
R1
R2
Transformer
IC
T1
4CJH
82pF
IC1
NJM2549
0.01uF
0.01uF
10uF
Note: IF transformer for detection, 4CJH(Sample No.:080293006) SAGAMI ELEC CO., LTD. (Japan)
Ver.2010-06-24
- 10 -
NJRC [ NEW JAPAN RADIO ]
