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参数资料
| 型号： | RF3404 |
| 厂商： | RF MICRO DEVICES INC |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER MODULE |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PBGA48 |
| 封装： | 8 X 8 MM, MODULE, LGA-48 |
| 文件页数： | 7/12页 |
| 文件大小： | 202K |
| 代理商： | RF3404 |
Preliminary
8-39
RF3404
Rev A1 010918
8
F
Pin
24
Function
FM IF+
Description
FM IF output. Open collector. “Current combiner” IF interface to SAW
filter recommended.
Interface Schematic
25
FM IF-
FM IF output. Open collector. “Current combiner” IF interface to SAW
filter recommended.
Logic input. High enable frequency divide by 2 circuitry in cellular
mode.
See pin 24.
26
DIVIDER
ENABLE
LO IN
27
LO single-end input. Internal DC block.
28
29
GND
ENABLE
Low-inductance ground required.
Logic input. Low level shuts down IC. IC can be shut down by setting
pins 44 and 45 high and TX Buffer Enable low as well.
30
TX BUFFER
ENABLE
Logic input. High enables TX LO buffer amplifiers.
31
LNA GAIN
Logic input. Controls LNA bypass switch. High selects maximum LNA
gain.
32
33
34
35
36
37
38
39
40
41
42
43
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC4
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
Low-inductance ground required.
V
CC
connection for internal references, logic, and mix preamps. Inter-
nal RF bypass capacitor. External bypass capacitor between 1nF and
47nF may be required.
Logic input. High level selects PCS band; lower level selects cellular
band.
44
BAND SEL
45
IF SEL
Logic input. High selects FM IF outputs in cellular mode; low selects
CDMA IF outputs.
FM+
FM-
LO IN
ENABLE
TX BUF
LNA GAIN
BAND SEL
IF SEL
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RF3404D | 功能描述:信号调节 433.92MHz Narrowband Receiver Front End RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| RF3404E | 功能描述:信号调节 433.92MHz Narrowband Receiver Front End RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| RF3404PCBA | 制造商:RFMD 制造商全称:RF Micro Devices 功能描述:DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER MODULE |
| RF341-12 | 制造商:Teledyne Relays 功能描述:RELAY - Bulk |
| RF341-26 | 制造商:TELEDYNE 制造商全称:TELEDYNE 功能描述:ULTRAMINIATURE MAGNETIC LATCHING TO-5 RELAYS SPDT DC TO C BAND |
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