5 technical specifications, Tx characteristics, 1 tx characteristics – Panasonic EB-GD30 User Manual

Page 31: 1 frequency error, 2 modulation phase error, 5 spurious emissions at the antenna connector

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TECHNICAL SPECIFICATIONS

MCUK991001C8

Section 5

Issue 1

Service Manual

– 25 –

Revision 0

5 TECHNICAL SPECIFICATIONS

5.1 Tx Characteristics

All data is applicable to GSM 900 and GSM 1800 except where stated.

5.1.1 Frequency error

±

0.1ppm max., relative to base station frequency.

5.1.2 Modulation phase error

RMS:

Peak:

20°

5.1.3 Output RF Spectrum due to Modulation

5.1.4 Output RF Spectrum due to Switching Transients

Measurement conditions for output RF spectrum measurements:
Frequency Span:

0 Hz

Measurement Bandwidth:

30 kHz

Video Bandwidth:

100 kHz

Peak Hold

5.1.5 Spurious Emissions at the Antenna Connector

Measurement conditions:

Peak Hold, Modulated Carrier

a. Measurement averaged over a burst and then averaged again over 50 bursts.

b. In each of the bands 925-960 MHz and 1805-1880 MHz up to 5 spurious measurements can fail these limits, in which

case the limit

-36

dBm shall apply.

Offset from Centre Frequency (kHz)

Maximum Level Relative to the Carrier (dB)

±100
±200
±250
±600 to 1800

+0.5
-30
-33
-60

Offset from Centre Frequency (kHz)

Maximum Level (dBm)

GSM 900

GSM 1800

±400

-19

-22

±600

-21

-24

±1200

-21

-24

±1800

-24

-27

Frequency Range

Frequency Offset

Filter Bandwidth

Approximate Video

Bandwidth

Limits (dBm)

GSM 900

GSM 1800

30 to 50 MHz

-

10 kHz

30 kHz

-36

-36

50 to 500 MHz

-

100 kHz

300 kHz

-36

-36

500 MHz to 1GHz

0 to 1MHz

100 kHz

300 kHz

-36

-36

1 GHz to 4GHz
Excl. relevant TX band:
P-GSM: 890 to 915 MHz;
DCS: 1710 to 1785 MHz

0 to 10 MHz

10 MHz

20 MHz

(offset from edge of
relevant TX band)

100 kHz
300 kHz
1 MHz

300 kHz
1 MHz
3 MHz

-30
-30
-30

-36
-36
-36

Relevent TX band:
P-GSM: 890 to 915 MHz;
DCS: 1710 to 1785 MHz

1.8 to 6.0 MHz
(offset from carrier)

30 kHz

100 kHz

-30

-30

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