MC13135DW

更新时间： 2024-02-09 03:05:43

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
16页	557K
描述
DUAL CONVERSION NARROWBAND FM RECEIVERS

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MC13135DW 数据手册

MC13135 MC13136

TEST CIRCUIT INFORMATION

Although the MC13136 can be operated with a ceramic

Since adding a matching circuit to the RF input increases

the signal level to the mixer, the third order intercept (TOI)

point is better with an unmatched input (50 Ω from Pin 21 to

Pin 22). Typical values for both have been included in the

Electrical Characterization Table. TOI measurements were

taken at the pins with a high impedance probe/spectrum

analyzer system. The first mixer input impedance was

measured at the pin with a network analyzer.

discriminator, the recovered audio measurements for both

the MC13135 and MC13136 are made with an LC quadrature

detector. The typical recovered audio will depend on the

external circuit; either the Q of the quad coil, or the RC

matching network for the ceramic discriminator. On the

MC13136, an external capacitor between Pins 13 and 14 can

be used with a quad coil for slightly higher recovered audio.

See Figures 10 through 13 for additional information.

Figure 1a. MC13135 Test Circuit

0.84

µH

1st LO

Varicap

0.01

Figure 1.

0.1

20 p

39.0

MHz

Xtal

1.0 k

0.001

5.0 p

62 pF

180 p

Input

0.2 µH

5.0 k

0.01

0.1

Ceramic

Filter

10.7 MHz

2nd LO

120 p

50 p

0.1

10.245

MHz Xtal

360

Ceramic

Filter

455 kHz

8.2 k

Demod

0.1

Limiter

0.1

39 k

0.1

39 k

455 kHz

Quad

Coil

Figure 1b. MC13136 Quad Detector Test Circuit

Demod

Limiter

39 k

0.1

39 k

455 kHz

Quad Coil

MOTOROLA ANALOG IC DEVICE DATA

1 234 5 6 7...16

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MC13136DW	MOTOROLA	DUAL CONVERSION NARROWBAND FM RECEIVERS	获取价格
MC13136DWR2	MOTOROLA	Audio Single Chip Receiver, FM, Bipolar, PDSO24, PLASTIC, SO-24	获取价格