Upstream CATV Amplifier

文件：398.2 Kbytes 頁數(shù)：13 Pages

MAXIM

美信

CATV上行放大器

MAX3503可編程功率放大器針對CATV上行應(yīng)用而設(shè)計(jì)。當(dāng)額定輸入驅(qū)動(dòng)信號為34dBmV時(shí)，MAX3503可以輸出61dBmV (QPSK)給75Ω負(fù)載。輸入和輸出端口都是差分形式的，輸出端口需要外部平衡變換器?？勺冊鲆嫣匦蕴峁┐笥?6dB的動(dòng)態(tài)范圍，由SPI? 3線接口控制。增益控制步長為0.5dB。該器件工作于5MHz至65MHz頻段。MAX3503在內(nèi)部針對1:1平衡變換器作了匹配。\n 該器件采用單一3.3V電源，傳輸過程(100%占空比，61dBmV輸出)吸取235mA電流。偏置電流根據(jù)輸出電平自動(dòng)調(diào)整，以提高效率。另外，維持輸出端口匹配的同時(shí)，在突發(fā)工作間隙該器件可以被禁 \n? 3.3V單電源供電 \n? 精確的增益控制，53dB范圍內(nèi)±1dB精度 \n? 增益可以0.5dB步長調(diào)整 \n? 65MHz處諧波失真為-55dBc \n? 突發(fā)開/關(guān)瞬態(tài)極低 \n? 高效率：34dBmV輸出時(shí)182mW；發(fā)送禁止模式16mW;

ADI

亞德諾

Upstream CATV Amplifier

文件：398.2 Kbytes 頁數(shù)：13 Pages

MAXIM

美信

LOW POWER QUAD BIPOLAR OPERATIONAL AMPLIFIERS

DESCRIPTION The MC3403 is a low-cost, quad operational am plifier with true differential inputs. The device has electrical characteristics similar to the popular UA741. However the MC3403, has several distinct advantages over standard operational amplifiers types in single supply applications.

文件：322.77 Kbytes 頁數(shù)：11 Pages

STMICROELECTRONICS

意法半導(dǎo)體

LOW POWER QUAD BIPOLAR OPERATIONAL AMPLIFIERS

文件：316.78 Kbytes 頁數(shù)：10 Pages

STMICROELECTRONICS

意法半導(dǎo)體

LOW POWER QUAD BIPOLAR OPERATIONAL AMPLIFIERS

DESCRIPTION The MC3403 is a low-cost, quad operational amplifier with true differential inputs. The device has electrical characteristics similar to the popular UA741. However the MC3403, has several distinct advantages over standard operational amplifiers types in single supply applications. The

文件：317.06 Kbytes 頁數(shù)：10 Pages

STMICROELECTRONICS

意法半導(dǎo)體