TDK HHM Series HHM2208SB1 specifications Shapes and Dimensions, Circuit Diagram

Multilayer Chip Directional Couplers For DCS-PCS/Tx

HHM Series HHM2208SB1

SHAPES AND DIMENSIONS

(1/2)

Conformity to RoHS Directive

0.15±0.1

1.6±0.1

6 5 4

1 2 3

0.55±0.1

0.1±0.1

0.6±0.1

	0.8±0.1	Terminal functions
0.3±0.1		1	Input
		2	GND

3Output

450Ω load

5GND

6Monitor output

Dimensions in mm

CIRCUIT DIAGRAM

Monitor	GND	50Ω
output 6	5	4
1	2	3
IN	GND	OUT

RECOMMENDED PC BOARD PATTERNS

0.25

0.25

0.6 0.3 0.6

This width is 50Ω.

Micro-strip line for 0.4mm thick glass-epoxy substrate.

0.30.3

ø0.3 Through-hole Dimensions in mm

ELECTRICAL CHARACTERISTICS

Frequency range		1710 to 1910MHz
Coupling factor		–14.0±1.0dB
Insertion loss		0.40dB max.∗1
		0.45dB max.∗2
Isolation		35dB min.
VSWR		1.3 max.
Temperature range	Operating	–40 to +85°C
	Storage	–40 to +85°C
∗1 25°C
∗2 Operating temperature

•Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

•All specifications are subject to change without notice.

001-02 / 20080105 / e761_hhm2208sb1