NJM2592V-TE1 NJR, NJM2592V-TE1 Datasheet - Page 10

• Manufacturer Part Number: NJM2592V-TE1
• Description: IC FM-IF DEMOD 455KHZ 20-SSOP
• Manufacturer: NJR

Specifications of NJM2592V-TE1

• Function: Demodulator
• Rf Frequency: 455kHz
• Gain: 24dB
• Current - Supply: 2.2mA
• Voltage - Supply: 1.8 V ~ 9 V
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Noise Figure: -
• P1db: -
• Lo Frequency: -
• Other names: NJM2592V-TE1; NJM2592V-TE1TR

NJM2592
- 10 -
EVALUATION PC 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.
Note:
1.
2.
Circuit Diagram
This board is designed for mixer-input type and C2 is factory-configured as follows:
For the case of IF-input type, the position of C2 is necessary to change as follows:
The actual position of C2 is shown in the next page.
External components
RF IN
LO IN
C2
C2
CF=CFWLB455KEFA004-B0 (Murata manufacturing Co., Ltd.)
CD=CDBCB455KCAY71-B0 (Murata manufacturing Co., Ltd.)
: in the B position
: in the A position
R8
51
20
1
1000p
1000p
C10
OSC
C1
BUFFER
MIXER
19
NC
2
FILTER
SENSE
LEVEL
IF
18
3
1000p
C3
RSSI
OUT
17
4
RSSI COMP
C13
10u
+
-
1000
Position
C9
CARRIER
SENSE
B
V
C2
16
+
5
0.1u
RSSI
A
C2
100k
R6
FSK COMP
OUT
FSK
15
6
IF AMP
0.1u
+
C4
R9
-
51
100k
CHARGE
Hi
V
R5
+
-
+
SW
14
7
+
C12
10u
IF IN
Lo
CHARGE
OUT
FILTER AMP
AF
13
NC
8
560p
C7
0.01
C6
+
-
12
9
68k
33p
R2
C5
68k
R4
CD
11
10
QUAD
68k
R3
DET
3.3k
R1
3300p
C8
V
+
Ver.2004-08-25