User's Manual

HC25 Hardware Interface Overview
4.3 Antenna Connector
22
s
HC25_HO_v00.220 Page 19 of 39 2007-03-20
Confidential / Preliminary
4.3 Antenna Connector
HC25 uses an ultra-miniature SMT antenna connector supplied from Hirose Ltd. The product
name is:
• U.FL-R-SMT
Figure 2: Mechanical dimensions of U.FL-R-SMT connector
Table 7: Product specifications of U.FL-R-SMT connector
Item Specification Conditions
Ratings
Nominal impedance 50Ω Operating temp:-40°C to + 90°C
Operating humidity: max. 90%
Rated frequency DC to 3GHz
Mechanical characteristics
Female contact
holding force
0.15N min Measured with a Ø 0.475 pin gauge
Repetitive operation Contact resistance:
Center 25mΩ
Outside 15mΩ
30 cycles of insertion and disengage-
ment
Vibration No momentary disconnections of 1µs;
No damage, cracks and looseness of
parts
Frequency of 10 to 100Hz, single
amplitude of 1.5mm, acceleration of
59m/s
2
, for 5 cycles in the direction of
each of the 3 axes
Shock No momentary disconnections of 1µs.
No damage, cracks and looseness of
parts.
Acceleration of 735m/s
2
, 11ms duration
for 6 cycles in the direction of each of
the 3 axes
Environmental characteristics
Humidity resistance No damage, cracks and looseness of
parts.
Insulation resistance:
100MΩ min. at high humidity
500MΩ min. when dry
Exposure to 40°C, humidity of 95% for
a total of 96 hours