Siemens TC35i User Manual download pdf (Page 30)

TC35i Terminal Hardware Interface Description

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TC35i_T_HD_v01.05 Page 30/37 10.07.2003

Table 11: Characteristics power supply

Parameter Description Conditions Min Typ Max Unit

PLUS

Allowed voltage ripple

(peak-peak), drop

during transmit burst

peak current

Talk Mode, power control

level for P

out

max

1 V

@8V 480 550

@12V 700 800

Power Down

mode

@30V 1750 1850

µA

@8V 45

@12V 30

SLEEP mode

@30V 17

@8V 70

@12V 50

NET Searching

mode

@30V 30

@8V 60

@12V 45

IDLE mode

@30V 25

@8V 270 560

@12V 170 330

Average supply current

(average time 3 min.)

TALK mode

(max. current

@GSM 900,

Power Level 5)

@30V 72 125

@8V 1.7 3.2

@12V 1.2 2.4

PLUS

Peak supply current

(during 577µs

transmission slot every

4.6ms)

Power control

level for Pout

max

@30V 0.7 1.2

Allowed powerfail time

without terminal reset

or power down

After this time the Terminal

will be reset or switched off

1 ms t

PLUS-Fail

Allowed powerfail time

without RTC (real time

clock) reset

After this time the RTC will

be reset

7 s

R_PLUS

Allowed rise time of

PLUS

0% to 100% 20 ms

Cable

Length of supply cable 3 m

Lowest voltage (minimum peak) incl. all ripple and drops >7.6V including voltage drop, ripple and

spikes, measured at western jack (6-pole) pin (1 to 6)

Typical values measured with antenna impedance = 50 Ohm (return loss >20dB)

Maximum values measured with mismatched antenna

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 36 37

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