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.

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

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

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

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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