1989 No. 26*1* STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983
*1* Notified in the Commonwealth of Australia Gazette on 2 March 1989. 1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - LONG TITLE
STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 FOR RADIOCOMMUNICATIONS
EQUIPMENT USED IN THE 27 MHz HANDPHONE SERVICE
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - PART 1
PART 1-PRELIMINARY
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 1
Citation
1. This standard may be cited as "Ministerial Standard 316".
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 2
Interpretation
2. (1) In this standard unless the contrary intention appears-
"A3E" means an emission whose basic characteristic is that of a double
sideband, amplitude modulated single channel carrier containing primarily
analogue telephony information;
"ALC" means automatic level control;
"ALC threshold" means the operating point on a transmitter output power
characteristic at which an increase in the modulating signal level does not
cause a proportional increase in output power;
"battery-end-of-life voltage" means the manufacturer's declared voltage
below which the battery is incapable of operating the equipment in accordance
with the manufacturer's stated specifications;
"dB" means decibel;
"dBm" means decibel relative to one milliwatt;
"device" means a device to which this standard applies;
"emission" means radiation produced, or the production of radiation, by a
radiocommunications transmitter;
"handphone station" means a station designed to be carried on the person and
deriving primary power from a replaceable or rechargeable internal battery;
"Hz" means Hertz;
"J3E" means an emission whose basic characteristic is that of a single
sideband, amplitude modulated suppressed carrier on a single channel
containing primarily analogue telephony information;
"kHz" means Kilohertz;
"MHz" means Megahertz;
"MS" means Ministerial Standard;
"out-of-band emission" means an emission which results from the modulation
process on a frequency or frequencies outside the permitted bandwidth, but
excluding spurious emissions;
"permitted bandwidth" means
(a) where the transmitter operates in the A3E emission mode, the 8 kHz
band centred on the operating carrier frequency; or
(b) where the transmitter operates in the J3E upper sideband emission
mode, the 4 kHz band centred on a frequency 2 kHz above the suppressed
operating carrier frequency;
"pX" means peak envelope power;
"radiation" means the outward flow of energy from any source by means of
radio transmission;
"radio transmission" has the same meaning as in section 3 of the
Radiocommunications Act 1983;
"radiocommunications transmitter" has the same meaning as in section 3 of
the Radiocommunications Act 1983;
"rated peak envelope power" means the peak envelope power at the transmitter
output with a modulating signal comprising two non-harmonically related
sinusoids, in the frequency range 300 to 3000 Hz inclusive, at a level of
modulation so that:
(a) the transmitter is operating 10 dB above the ALC threshold; and
(b) the radio frequency sidebands corresponding to the modulating
signals
are of equal level;
"receiver" has the same meaning as in section 3 of the Radiocommunications
Act 1983;
"reference sideband power" means the level of radio frequency sidebands
produced when a transmitter is operating at rated peak envelope power;
"spurious emission" means an emission on a frequency or frequencies which
are outside the permitted bandwidth and the level of which may be reduced
without affecting the corresponding transmission of information;
"standard device" means a device which complies with this standard;
"standard modulating signal" means a modulating signal comprising two
non-harmonically related sinusoids, in the frequency range 300 to 3000 Hz
inclusive, at a level of modulation 20 dB below that required to establish
rated peak envelope power;
"station" means an installation or thing that is, or includes, a
radiocommunications transmitter or receiver;
"the 27 MHz Handphone Service" means a radiocommunications service between
handphone stations capable of operating on at least one of the carrier
frequencies specified in clause 9 of this standard;
"transmitter" means a radiocommunications transmitter;
"unwanted emission" means a spurious emission or an out-of-band emission;
"W" means Watts; and
C means degrees Celsius.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 3
Devices to which this standard applies
3. (1) Subject to sub-clause 3 (2) this standard applies to handphone
stations designed or intended to operate in the 27 MHz Handphone Service.
(2) Parts 3 and 4 of this standard do not apply to devices as described in
sub-clause 3 (1) in respect of such devices being designed or intended to
operate in services involving the assignment of frequencies other than those
specified in clause 9 of this standard.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - PART 2
PART 2-GENERAL
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 4
Equipment markings
4. (1) Subject to sub-clause 4 (3), there shall be displayed on a device-
(a) a compliance statement in the form set out in item 1 of the schedule-
(i) indicating that the device complies with this standard; and
(ii) citing the type approval number shown on the compliance statement
certificate issued in respect of the device under Section 12 of the
Radiocommunications Act 1983; and
(b) its type or model designation which shall be distinctively different
from that of imported equipment requiring modification before it complies with
this standard.
(2) A statement or marking displayed on a device in accordance with
sub-clause 4 (1) shall be clearly visible on the exterior surface of the
device, indelible, tamper proof and affixed in such a manner as not to be
removable except by destruction or defacing.
(3) Paragraph 4 (1) (a) does not apply to a device unless the importer,
manufacturer or supplier of the device, as the case may be, has been issued
with a compliance statement certificate in respect of the device.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 5
Adjustment Mechanisms
5. (1) For the purpose of this clause an 'adjustment mechanism' is a
mechanism which enables the operation of a standard device to be altered so
that the device contravenes the requirement of this standard.
(2) Any adjustment mechanism shall be contained within the housing of a
device and shall be accessible only with the use of tools such as screwdrivers
and spanners.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 6
Conditions of operation
6. The requirements of Parts 3 and 4 shall be met by a device when it
operates at:
(a) ambient temperatures of between 0 degrees C and 55 degrees C inclusive;
and
(b) voltages between the primary supply voltage stated by the manufacturer,
and the battery-end-of-life voltage.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - PART 3
PART 3-TRANSMITTER
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 7
Application
7. In this part 'transmitter' means a device which is a radiocommunications
transmitter.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 8
Emission modes
8. (1) Subject to sub-clause 8 (2) a transmitter shall be capable of
operation only in-
(a) the A3E emission mode; or
(b) the J3E upper sideband emission mode.
(2) Where the type of information to be transmitted is other than speech
telephony the duration of any such transmission shall not exceed 3 seconds in
any 60 second interval.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 9
Nominal carrier frequency
9. A transmitter shall, subject to clause 10, be capable of operating only
on a nominal carrier frequency designated in the following table.
Nominal Carrier Frequency (MHz)
27.550 27.620
27.560 27.660
27.580 27.760
27.590
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 10
Frequency error
10. The carrier frequency error of a transmitter shall not exceed +-1.4 kHz.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 11
Transients
11. Emissions from a transmitter shall be inhibited until the operating
carrier frequency has stabilized within the limit specified in clause 10.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 12
Carrier power
12. The output carrier power of a transmitter operating in the A3E emission
mode shall not exceed 4 W.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 13
Rated peak envelope power
13. The rated peak envelope power of a transmitter operating in the J3E
emission mode shall not exceed 12 W.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 14
Modulation limiting
14. Where a transmitter operates in the A3E emission mode the depth of
amplitude modulation under any modulation conditions shall not exceed 100%.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 15
Automatic level control
15. Where a transmitter operates in the J3E emission mode a step increase of
20 dB in the level of standard modulating signal shall not cause-
(1) any transient pX to exceed 12 W by more than 1 dB; and
(2) where the transient pX exceeds 12 W, the time taken for the output
power to reduce within 0.5 dB of the steady-state pX to exceed 10
milliseconds.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 16
Out-of-band emission suppression
16. Where a transmitter operates in the A3E emission mode the power of each
out-of-band emission shall not exceed:
(a) 11 dBm, where the frequency of the emission differs from the operating
carrier frequency by greater than 4 kHz but not greater than 8 kHz;
(b) 1 dBm, where the frequency of the emission differs from the operating
carrier frequency by greater than 8 kHz but not greater than 20 kHz;
(c) -24 dBm, where the frequency of the emission differs from the operating
carrier frequency by greater than 20 kHz.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 17
Spurious emissions
17. The power of each spurious emission from a transmitter operating in the
A3E emission mode shall not exceed -26 dBm.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 18
Unwanted emission suppression
18. Where a transmitter operates in the J3E emission mode the power of each
out-of-band emission shall be attenuated relative to the reference sideband
power of the transmitter by at least:
(a) 24 dB, where the frequency of the emission differs from the centre
frequency of the permitted bandwidth by greater than 2 kHz but not greater
than 6 kHz;
(b) 34 dB, where the frequency of the emission differs from the centre
frequency of the permitted bandwidth by greater than 6 kHz but not greater
than 10 kHz;
(c) 59dB, where the frequency of the emission differs from the centre
frequency of the permitted bandwidth by greater than 10 kHz.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - PART 4
PART 4-RECEIVER
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - REG 19
Conducted spurious signals
19. The power of each spurious signal from a device which is a receiver
shall not exceed -57 dBm.
1989 No. 26 STANDARD UNDER THE RADIOCOMMUNICATIONS ACT 1983 - SCHEDULE
SCH
SCHEDULE
Item 1: THE FORM OF A COMPLIANCE STATEMENT(Clause 4)
"COMPLIES WITH MS316
TYPE APPROVAL NO. . ."
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