ST7537 데이터 시트보기 (PDF) - STMicroelectronics
부품명
상세내역
제조사
ST7537 Datasheet PDF : 9 Pages
| |||
ST7537HS1
FILTER TEMPLATES
Receive and Transmit Filter
Frequency
(kHz)
92
126.45
Ref 132.45
138.45
180
Gain (dB)
Min.
Typ.
-5
-3
0
-5
-3
Max.
- 30
-2
-2
- 30
Intermediate FrequencyFilter
Frequency
(kHz)
2.4
4.3
Ref 5.4
6.5
11.6
Gain (dB)
Min.
Typ.
-4
-3
0
-5
-3
Max.
- 35
-1
-2
- 35
APPLICATION SCHEMATIC INFORMATIONS
RESISTORS
R1
180Ω
R2
2.2Ω
R3
2.2Ω
R4
2.2Ω
R5
2.2Ω
R6
180Ω
R7
47kΩ
R8
1kΩ
R9
1kΩ
5%
R11
47kΩ
INDUCTOR
L1
10µH ≅ 1.5Ω
TRANSISTORS
Q1 : 2N2907
Q2 : 2N2222
Q3 : 2N2222
Q4 : 2N2907
Q5 : 2N2907
Q6 : 2N2222
CAPACITORS
C1
1µF
Ceramic 50
C2
470nF
Paper, class X2
C3 (2)
22pF
10% Ceramic 10V
C4 (2)
22pF
10% Ceramic 10V
C5
100nF
10% Ceramic 10V
C6
6.8nF
5% Plastic Film 50V
C7
100nF
Ceramic 10V
C8
2.2µF
C9
100nF
Ceramic 10V
C10
2.2µF
C11 (1) 100nF
Ceramic 10V
C12 (1) 100nF
Ceramic 10V
TRANSIL
TRL1 : SGS-THOMSON P6KE6V8CP
TRANSFORMER
TR1 : TOKO T1002 N
CRYSTAL
QTZ1 : 11.0592MHz parallel resonance
Notes : 1. These capacitors might not be necessary if the overall power supplies decoupling is sufficient.
2. The value of these capacitors depends on the crystal parameters.
7/9
Share Link: 