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参数资料
| 型号： | TDA6650ATT/C3 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO38 |
| 封装： | 4.40 MM, 0.50 MM PITCH, PLASTIC, MO-153, SOT510-1, TSSOP-38 |
| 文件页数： | 29/54页 |
| 文件大小： | 325K |
| 代理商： | TDA6650ATT/C3 |
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TDA6650ATT_6651ATT_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 2 February 2007
35 of 54
NXP Semiconductors
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
NF = NFmeas loss of input circuit (dB).
Fig 16. Noise gure (NF) measurement in low and mid band with asymmetrical IF output
fce750
LBIN
or
MBIN
IFOUTA
DUT
NOISE
SOURCE
NOISE
FIGURE
METER
BNC
RIM
INPUT
CIRCUIT
IFOUTB
VCCA
27
a. Schematic 1
b. Schematic 2
For fRF = 150 MHz
Loss = 0 dB.
Cs = 0.8 pF to 8 pF trimmer.
Cp = 0.4 pF to 2.5 pF trimmer.
Lp = 4 turns, 4.5 mm, 0.4 mm wire air coil.
Cc = 4.7 nF.
TL: 50
semi rigid cable length = 75 mm.
For fRF = 300 MHz
Loss = 0.5 dB.
Ls = 2 turns, 1.5 mm, 0.4 mm wire air coil.
Cp = 8.2 pF in parallel with a 0.8 pF to 8 pF trimmer.
Lp = 2 turns, 1.5 mm, 0.4 mm wire air coil.
Cc = 4.7 nF.
TL: 50
semi rigid cable length = 75 mm.
Fig 17. Input circuit for optimum noise gure measurement
mce452
Lp
Cp
Cs
Cc
TL
to the IC
mixer input
Lp
Cp
Ls
Cc
TL
to the IC
mixer input
BNC
connector
BNC
connector
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA6650TT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3/S2 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651ATT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
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