P3191

ETALDOC 590/10

Page 3 of 4

October 2007

MATCHING RECOMMENDATIONS

In practice, the 910

Ω load resistor will connect to a low output impedance TX driver. The 100nF capacitor

should appear in parallel with the 910

Ω load resistor (rather than in parallel with transformer winding) to

obtain optimum TX flatness to line.

CONSTRUCTION

Dimensions shown are in millimetres (inches).

Geometric centres of outline and pad grid coincide within a tolerance circle of 0.3mm

∅.

Windings may be used interchangeably as primary or secondary.

Recommended Circ uit

Fig 2

430

LINE

600

μ

6.8 F

600

MATCH

Ω

EUROPEAN CTR21 COMPLEX MATCH

Recommended Circ uit

Fig 3

910

LINE

270

750

100n

15n

150nF

μ

2.2 F

2.54 2.54

13.0 max

(0.51)

9.0 max

(0.36)

7.0 max

(0.28)

(0.1) (0.1)

NOTE:

Dimensions shown are in millimetres (inches)

Dimensions

Fig 3

(0.06)

1.5

1.32

1.77

(0.052)

(0.07)

Tolerance

0.3mm

Terminals electroplated pure tin (Sn) 5 m minimum.

JESD97 c ategory = e3.

Terminal size : 1.5 (0.06) long, 1.32 (0.05) wide

±

µ

Connections

Fig 4

1

2

3

4

5

6