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参数资料
| 型号： | MICRF007YM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 11/13页 |
| 文件大小： | 0K |
| 描述： | IC RECEIVER UHF 300MHZ 8-SOIC |
| 标准包装： | 2,500 |
| 频率： | 300MHz ~ 440MHz |
| 灵敏度： | -96dBm |
| 数据传输率 - 最大： | 2.1 kbps |
| 调制或协议： | ASK，OOK |
| 应用： | RKE |
| 电流 - 接收： | 3mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 特点： | 自动调谐 |
| 电源电压： | 4.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 其它名称： | MICRF007YMTR MICRF007YMTR-ND |
MICRF007
Application Example
315MHz Receiver/Decoder Application
Figure 10 illustrates a typical application for the MICRF007
UHF Receiver IC. This receiver operates continuously (not
duty cycled) in ?xed-mode, and features 6-bit address decod-
ing and two output code bits.
Micrel
Operation in this example is at 315MHz, and may be cus-
tomized by selection of the appropriate frequency reference
(Y1), and adjustment of the antenna length. Changes from
the 1Kbps data rate may require a change in the value of R1.
A bill of materials accompanies the schematic.
+5V
Supply Input
1/4 monopole
antenna (23.1cm)
C4
1.8pF
L1
56nH
C1 C5
4.7μF 100μF
C6
100pF
C2
39nF
U1 MICRF007
VSS REFOSC
ANT CAGC
VDD SHUT
CTH DO
Y1
4.8970MHz
C3
2.2μF
R3
100k
6-bit
address
U2 HT-12D
A0 VDD
A1 VT
A2 OSC1
A3 OSC2
A4 DIN
A5 D11
A6 D10
A7 D9
VSS D8
R2
1k
R1
68k
Code Bit 0
Code Bit 1
RF Baseband
(Analog) (Digital)
Ground Ground
Figure 10. 315MHz, 1Kbps On-Off Keyed Receiver with Decoder
Bill of Materials
Item Part Number
Manufacturer
Description
Qty.
C1
C2
C3
C4
C5
C6
D1
L1
R1
R2
R3
U1
U2
Y1
GRM21BF51A475ZA01L
VJ0603Y393KXXA
GRM188R61A225XE348
GRM1885C1H1R8CZ01B
GRM188R71E104KA01B
GRM1885C1H101JA01B
SSF-LX100LID
0603CS-56NX-B
CRCW06036812F
CRCW06031001F
CRCW06031003F
MICRF007BM
HT-12D
AB-4.8970MHZ-20-D
Murata (7)
Vishay (1)
Murata (7)
Murata (7)
Murata (7)
Murata (7)
Lumex (2)
Coilcraft (6)
Vishay (1)
Vishay (1)
Vishay (1)
Micrel (3)
Holtek (4)
Abracon (5)
4.7μF Y5V
39nF
2.2μF X5R
1.8pF COG ceramic capacitor
100nF capacitor
100pF capacitor
red LED
56mH wire wound, Q=38
68k; 1/4W; 5%
1k; 1/4W; 5%
100k
UHF Reciever
Logic decoder
4.8970MHz crystal
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Notes:
1. Vishay, tel. (203) 268-6261
2. Lumex, tel. (800) 278-5666
3. Micrel Inc., tel (408) 944-0800
4. Holteck, tel (408) 894-9046
5. Abracon, tel. (949) 448-7070
6. Coilcraft, tel. (510) 814-8954
7. Murata, tel (408) 397-1284
February 17, 2005
11
M9999-021705
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