Audio Technica JFZT5000D Manuale utente
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
TABLE OF CONTENTS LIST
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
TABLE OF CONTENTS LIST
TEST REPORT CONTAINING:
PAGE 1..........GENERAL INFORMATION
PAGE 2..........DESCRIPTIONS
PAGE 3..........RF POWER
PAGE 4..........MODULATION CHARACTERISTICS
PAGE 4..........AUDIO FREQUENCY RESPONSE GRAPH
PAGE 5..........MODULATION LIMITING PLOT –300 Hz
PAGE 6..........MODULATION LIMITING PLOT –1000 Hz
PAGE 7..........MODULATION LIMITING PLOT –15000 Hz
PAGE 8..........OCCUPIED BANDWIDTH
PAGE 9..........OCCUPIED BANDWIDTH PLOT
PAGE 10.........OCCUPIED BANDWIDTH PLOT -CW
PAGE 11.........RADIATED EMISSIONS TEST DATA
PAGE 12.........METHOD OF MEASURING RADIATED EMISSIONS
PAGE 13.........FREQUENCY STABILITY TEST DATA
PAGE 14-17......EQUIPMENT LIST
EXHIBITS CONTAINING:
EXHIBIT 1........FCC ID LABEL SAMPLE
EXHIBIT 2........ID LABEL LOCATION
EXHIBIT 3........BLOCK DIAGRAM
EXHIBIT 4........SCHEMATICS
EXHIBIT 5........TUNING PROCEDURE
EXHIBIT 6........CIRCUIT DESCRIPTION
EXHIBIT 7........USER'S MANUAL
EXHIBIT 8........TEST SET UP PHOTOGRAPH
EXHIBIT 9........EXTERNAL PHOTOGRAPH
EXHIBIT 10.......INTERNAL COMPONENT SIDE PHOTOGRAPH
EXHIBIT 11.......INTERNAL COPPER SIDE PHOTOGRAPH
EXHIBIT 12.......CONFIDENTIALITY REQUEST LETTER
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 1of 17
GENERAL INFORMATION REQUIRED
FOR TYPE ACCEPTANCE
2.1033(c)(1) AUDIO TECHNICA CORPORATION will manufacture the
JFZT5000D in
2.1033(c)(2) quantity, for use under FCC RULES PART 74.801, LOW
POWER AUXILIARY STATIONS.
AUDIO TECHNICA CORPORATION
2206 NARUSE, MACHIDA
TOKYO, 194 JAPAN
2.1033 TECHNICAL DESCRIPTION
(c)(3) Instruction book. The instruction manual is in-
cluded as Exhibit 7A-7C.
(c)(4) Type of Emission: 80K0F3E
Bn = 2M + 2DK
M = 20000
D = 20 kHz
K = 1
Bn = 2(20k) + 2(20k)(1) = 80k
ALLOWED AUTHORIZED BANDWIDTH = 200kHz.
74.861(e)(5)
(c)(5) Frequency Range: Part 74: 655-680 MHz
TEST FREQ = 668.00 MHz.
(c)(6) Power Range and Controls:UNIT has no controls.
(c)(7) Maximum Output Power Rating:
HIGH POWER = .004W ERP
LOW POWER = .001W ERP
(c)(8) DC Voltages and Current into Final Amplifier:
FINAL AMPLIFIER ONLY
3.0V BATTERY
Vce = 3.0 Volts
Ice = HIGH - .170 AMPS
LOW - .140 AMPS
(c)(9) Tune-up procedure. The tune-up procedure is given
in Exhibit 5.
(c)(10) Complete Circuit Diagrams: The circuit diagram is
included as EXHIBIT # 6. The block diagram
is included as EXHIBIT #3.
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 2of 17
2.1033(c)11) Photo or Drawing of Label and sketch of location:
See EXHIBIT # 1 & EXHIBIT #2.
2.1033(c)12) Photos of Equipment:
See EXHIBIT #'S 9-11.
(c)(13) Description of all circuitry and devices provided
for determining and stabilizing frequency.
Description of any circuits or devices employed
for suppression of spurious radiation, for limit-
ing modulation, and for limiting power.
This circuitry is described in Exhibit 6.
Limiting Modulation:
The transmitter audio circuitry is contained
in IC101, IC102 and IC103.
Limiting Power:
There is no provision for limiting power.
(13) Digital modulation. This unit does not use
digital modulation.
2.1033(c)(14) The data required by 2.1046 through 2.1057 is sub-
mitted below.
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 3of 17
2.1046 RF power output.
RF power measured is:
OUTPUT POWER: High Power = .004 W ERP
Low Power = .001 W ERP
2.1046 RF power output.
HP
Spectrum
Analyzer
TRANSMITTER
UNDER TEST WITH
INTERNAL ANTENNA
3.0 meters
SIGNAL DIPOLE Tuned, Calibrated
GENERATOR ANTENNA Antenna which may
be raised from 1
to 4 meters above
ground and changed
in polarization
Equipment placed 1 meter above ground
on a rotatable platform.
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 4of 17
2.1047(a)(b) Modulation characteristics:
AUDIO FREQUENCY RESPONSE
The audio frequency response was measured in accordance
with TIA/EIA Specification 603. The audio frequency
response curve is shown on the next page.
AUDIO LOW PASS FILTER
The audio low pass filter is not required in this
unit.
AUDIO FREQUENCY RESPONSE GRAPH
Audio Technica US Inc.
JFZT5000D
-43
-38
-33
-28
-23
-18
100 1000 10000 100000
Frequency
dBmV
audio response
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 5of 17
AUDIO INPUT VERSUS MODULATION GRAPH : 300 Hz
Modulation Limiting
Audio Technica US Inc.
JFZT5000D
0
5000
10000
15000
20000
25000
-70 -60 -50 -40 -30 -20
dBmV
Deviation
300 Hz
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 6of 17
AUDIO INPUT VERSUS MODULATION GRAPH : 1000 Hz
Modulation Limiting
Audio Technica US Inc.
JFZT5000D
0
5000
10000
15000
20000
25000
-70 -60 -50 -40 -30 -20
dBmV
Deviation
1000 Hz
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 7of 17
AUDIO INPUT VERSUS MODULATION GRAPH : 15000 Hz
Modulation Limiting
Audio Technica US Inc.
JFZT5000D
0
5000
10000
15000
20000
25000
-67 -57 -47
dBmV
Deviation
15000 Hz
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 8of 17
2.1049(c) Occupied Bandwidth:
Data in the plots show that all sidebands between 50 &
100% for the authorized bandwidth are attenuated by at
least 25dB. From 100 to 250% of the authorize3d band-
width they are attenuated by at least 35dB and beyond
250% 43 log(Po) dB. The plot shows the transmitter
modulated with 15000 Hz(the highest modulation frequen-
cy), adjusted for 50% modulation plus 16 dB. The
spectrum analyzer was set with the unmodulated carrier
at the top of the screen. The test procedure diagram
and occupied bandwidth plots follow.
Wireless Microphone transmitter:
Test procedure diagram
OCCUPIED BANDWIDTH MEASUREMENT
Transmitter Coupler 50 ohm
under test Resistive
Load
Audio Spectrum
Oscillator Analyzer
REQUIREMENT: PART 74: 200kHz EMISSION BANDWIDTH.
APPLICANT: AUDIO TECHNICA CORPORATION
FCC ID: JFZT5000D
REPORT #: T:\A\AudioTechnica_JFZ\660UT22\660UT22TestReport.doc
Page 9of 17
OCCUPIED BANDWIDTH PLOT
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