Broadcast Warehouse TX 150/300 Скачать руководство пользователя страница 39

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TX FM Transmitter technical manual

page 39

Technical data

C25

100N

Monolithic Ceramic 2.5 pitch

C26

100N

Monolithic Ceramic 2.5 pitch

C27

100N

Monolithic Ceramic 2.5 pitch

C28

100N

Monolithic Ceramic 2.5 pitch

C29

220UF 63V

Radial Electrolytic

C30

100N

Monolithic Ceramic 2.5 pitch

VC1

5-65 PF

5-65 Trimmer capacitor

INDUCTORS

2.5 S18

Toko moulded S18 coil 2.5T

3.5 S18

Toko moulded S18 coil 2.5T

FERRITE BEAD Ferrite bead

6 turn choke

6 turn 2.5mm enamelled

3 turn choke

3 turns on ferrite core

3 TURN COIL

In House Low Pass Coil

4 TURN COIL

In House Low Pass Coil

4 TURN COIL

In House Low Pass Coil

MISC

BLF278

VN66AF

RFT1

4 TO 1 RFT

RFT2

4 TO 1 RFT

In House BLF278 Output

RFT3

VSWR RFT3

In House VSWR Coupler Toroid
micrometals T37-8-90 core

CON1

PCB MCX

MCX connector

CON2

5 WAY TERM

Screwless terminal block

CON3

PCB MCX

MCX connector

CON4

2 WAY TERM

Screwless terminal block

CON5

10 WAY IDC

IDC Ribbon Box Header

REG1

7818

18 V 1A Regulator

IC1

CA3240

op-amp

IC2

CA3240

op-amp

TS1

LM335Z

Temperature sensor

BAT42

Rectifier Diode

D2 BAT42

Rectifier

Diode

3.63 Combo board

CAPACITORS

2.2 uF 16V

Miniature Radial Electrolytic

2.2 uF 16V

Miniature Radial Electrolytic

100n Y5V

Monolithic Ceramic 2.5 pitch

39pF

Ceramic Plate 2.5 pitch (680)

2.2 uF 16V

Miniature Radial Electrolytic

470uF 16V

Radial Electrolytic

470uF 16V

Radial Electrolytic

2.2 uF 16V

Miniature Radial Electrolytic

2.2 uF 16V

Miniature Radial Electrolytic

C10

82pF

Ceramic Plate 2.5 pitch (680)

C11

100n Y5V

Monolithic Ceramic 2.5 pitch

C12

100uF 16V

Monolithic Ceramic 2.5 pitch

C13

2.2 uF 16V

Miniature Radial Electrolytic

C14

100n Y5V

Monolithic Ceramic 2.5 pitch

C15

82pF

Ceramic Plate 2.5 pitch (680)

C16

100n Y5V

Monolithic Ceramic 2.5 pitch

C17

100uF 16V

Radial Electrolytic

C18

100uF 16V

Radial Electrolytic

C19

Gen. Pur. Ceramic Disc 2.5 pitch

C20

220pF

Ceramic Plate 2.5 pitch (680)

C21

4p7

Ceramic Plate 2.5 pitch (680)

C22

27pF

Ceramic Plate 2.5 pitch (680)

C23

56pF

Ceramic Plate 2.5 pitch (680)

C24

82pF

Ceramic Plate 2.5 pitch (680)

C25

Gen. Pur. Ceramic Disc 2.5 pitch

C26

100n Y5V

Monolithic Ceramic 2.5 pitch

C27

82pF

Ceramic Plate 2.5 pitch (680)

C28

100n Y5V

Monolithic Ceramic 2.5 pitch

C29

100n Y5V

Monolithic Ceramic 2.5 pitch

C30

27pF

Ceramic Plate 2.5 pitch (680)

C31

12pF

Ceramic Plate 2.5 pitch (680)

C32

56pF

Ceramic Plate 2.5 pitch (680)

C33

Gen. Pur. Ceramic Disc 2.5 pitch

C34

33pF

Ceramic Plate 2.5 pitch (680)

C35

Not Used

C36

100n Y5V

Monolithic Ceramic 2.5 pitch

C37

Not Used

C38

47pF

Ceramic Plate 2.5 pitch (680)

C39

47pF

Ceramic Plate 2.5 pitch (680)

C40

100n Y5V

Monolithic Ceramic 2.5 pitch

C41

100n Y5V

Monolithic Ceramic 2.5 pitch

C42

47pF

Ceramic Plate 2.5 pitch (680)

C43

47pF

Ceramic Plate 2.5 pitch (680)

C44

100n Y5V

Monolithic Ceramic 2.5 pitch

C45

4n7

Polycarbonate 5mm Pitch

C46

6n8

Polycarbonate 5mm Pitch

C47

6n8

Polycarbonate 5mm Pitch

C48

4n7

Polycarbonate 5mm Pitch

C49

27pF

Ceramic Plate 2.5 pitch (680)

C50

47pF

Ceramic Plate 2.5 pitch (680)

C51

100n Y5V

Monolithic Ceramic 2.5 pitch

C52

47pF

Ceramic Plate 2.5 pitch (680)

C53

27pF

Ceramic Plate 2.5 pitch (680)

C54

47uF 16V

Miniature Radial Electrolytic

C55

10uF 16v

Miniature Radial Electrolytic

C56

47pF

Ceramic Plate 2.5 pitch (680)

C57

47uF 16V

Miniature Radial Electrolytic

C58

27pF

Ceramic Plate 2.5 pitch (680)

C59

27pF

Ceramic Plate 2.5 pitch (680)

C60

100n Y5V

Monolithic Ceramic 2.5 pitch

C61

100n Y5V

Monolithic Ceramic 2.5 pitch

C62

47uF 16V

Miniature Radial Electrolytic

C63

47uF 16V

Miniature Radial Electrolytic

C64

330pF

Ceramic Plate 2.5 pitch (680)

C65

330pF

Ceramic Plate 2.5 pitch (680)

C66

100n Y5V

Monolithic Ceramic 2.5 pitch

C67

47uF 16

Miniature Radial Electrolytic

C68

100n Y5V

Monolithic Ceramic 2.5 pitch

C69

100n Y5V

Monolithic Ceramic 2.5 pitch

C70

47uF 16V

Miniature Radial Electrolytic

C71

100n Y5V

Monolithic Ceramic 2.5 pitch

C72

2.2uF 16V

Miniature Radial Electrolytic

C73

39pF

Ceramic Plate 2.5 pitch (680)

C74

2.2uF 16V

Miniature Radial Electrolytic

C75

12pF

Ceramic Plate 2.5 pitch (680)

C76

100n Y5V

Monolithic Ceramic 2.5 pitch

C77

2.2uF 16V

Miniature Radial Electrolytic

C78

330pF

Ceramic Plate 2.5 pitch (680)

C79

100n Y5V

Monolithic Ceramic 2.5 pitch

C80

100pF

Ceramic Plate 2.5 pitch (680)

C81

330pF

Ceramic Plate 2.5 pitch (680)

C82

330pF

Ceramic Plate 2.5 pitch (680)

C83

Not Used

C84

330pF

Ceramic Plate 2.5 pitch (680)

C85

100n Y5V

Monolithic Ceramic 2.5 pitch

C86

12pF

Ceramic Plate 2.5 pitch (680)

C87

100n Y5V

Monolithic Ceramic 2.5 pitch

C88

47uF 16V

Miniature Radial Electrolytic

Содержание TX 150/300

Страница 1: ...r written permission from Broadcast Warehouse The information and specifications contained in this document is subject to change at any time without notice Copyright 2001 Broadcast Warehouse For the l...

Страница 2: ...umpers 2 52 Multiplex Broadband Input 2 53 Stereo With Limiters 2 54 Stereo With Limiters Disabled 2 55 Mono From Two Channels 2 56 Mono From One Channel 2 6 Other Setup Considerations 3 Technical dat...

Страница 3: ...ing accuracy nor mally only found on expensive test equipment Local and remote personal computer control and metering are achievable via the innovative dual method RS232 interface The FM modulator sec...

Страница 4: ...Failure to do so may increase the risk of equipment failure shock and fire hazard R F The N type R F power output socket contains R F voltages which may burn or present a shock Please make sure that t...

Страница 5: ...type pin out Pin 1 PLL failure alarm O C Pin 2 Reserved Pin 3 Reserved Pin 4 R F failure alarm O C Pin 5 R F failure alarm TTL Pin 6 Mod failure alarm TTL Pin 7 PLL failure alarm TTL Pin 8 R F Mute C...

Страница 6: ...down buttons will allow power control if internally allowed The maximum output power is governed by the maximum power set adjustment see R F pwr control section If the frequency is set internally wit...

Страница 7: ...s 8 represents 100 KHz on the 12 5 KHz switch 8 x 0 125MHz 0 1MHz 100KHz The LCD display on the front panel will display the frequency that you have set on the internal switches If you try to adjust t...

Страница 8: ...allow the LCD screen to provide adjustment of the R F power down from that maximum power set point This can be desir able in transmitter hire situations where you wish to govern the maximum output to...

Страница 9: ...RS232 MODULATION FAILURE The Modulation failure alarm will be set if during normal operation the peak deviation of the transmitter drops and remains below 16 KHz The 16 KHz alarm level allows the alar...

Страница 10: ...rom your computer can be plugged into the expansion boards 9 way D type socket The above item is an optional extra and is available from broadcast warehouse and it s distributors 2 42 Windows applicat...

Страница 11: ...transmitter will respond to certain key presses and each one has a certain function See the list below for details of what key to press for each function The most important key press is the enter key...

Страница 12: ...in as an example You press the R F mute key o and then press refresh screen key ENTER to get a status update The transmitters power control circuitry may not have had time to turn the r f power down i...

Страница 13: ...o 2 5 MODES OF OPERATION The transmitter is fully configurable and can be set up to support various modes of operation The mode of opera tion is set by the configuration of the internal jumpers This c...

Страница 14: ...here are two different standards in use worldwide In Europe and Africa the standard is normally 50uS This represents a lift of about 3dB at 3 KHz and 10dB at 10 KHz In the Americas and in Japan more b...

Страница 15: ...on This one jumper controls both channels because the gain reduction control voltage which this jumper disables is common to left and right Even with the limiter disabled you may still wish to use the...

Страница 16: ...er module and to the back panel multiplex output BNC socket See loopthrough mode below JUMPERS J1 ON J2 3 50 or 75 J4 5 LOUD or CLARITY J6 7 ON J8 ON J9 10 ON J11 ST J12 OFF Stereo with internal limit...

Страница 17: ...the signal from the internal limiter and stereo encoder to an external piece of equipment before being reinjected back into the transmitter via the multiplex input socket The most common application i...

Страница 18: ...boost loudness The gain controls on the back panel control the input drive to the limiter module and can be set so that limiting occurs for a given input level Factory setting is at maximum to enable...

Страница 19: ...uld now have the multiplex and pilot setup at the correct level All that is left to do is to set the input gain controls to your desired settings For most applications where you require a compressed l...

Страница 20: ...t any form of level control apart from the peak level clippers so we can set the system internal levels correctly 5 We should check that any offsets internal to the limiter are nulled out to keep dist...

Страница 21: ...5KHz peak deviation at 400Hz The pre emphasis filter can put the 15KHz audio 17db higher than 400Hz We strongly advise you to ensure pre emphasis is built into any external equipment if you decide not...

Страница 22: ...vel feed you may have to turn the gain controls down to stop internal clipping occurring prior to the limiter Please see note on pre emphasis at the end of the section You may also wish the limiter to...

Страница 23: ...evel required to achieve limiting is frequency dependent due to the characterisTics of the pre emphasis curve There is 17dB more gain into the limiter with a 15KHz input signal compared to a frequency...

Страница 24: ...se as simple as possible FREQUENCY FINE TUNE WARNING ADVANCED TECHNICIANS ONLY While the frequency is controlled by the phase locked loop system the stability is governed by the stability of the refer...

Страница 25: ...vals 20 175 TX150 30 300 TX300 N type 50 ohm better than 65 dbc 75 dbc 87 5 108 MHz 100KHz from LCD or 12 5 KHz from internal switches Internal switches or LCD system Dual speed Phase locked loop 500...

Страница 26: ...ht audio signals are applied to balanced input XLR sockets on the back panel The balanced audio signals are fed to IC1 IC4 which are configured as differential amplifiers to convert the balanced input...

Страница 27: ...is buffered by output op amp IC15 which also provides a fixed output level of 6dbu which is fed to the multiplex output BNC socket on the back panel as well as to one side of the loopthrough jumper J1...

Страница 28: ...impedance step up as well as proving a DC feed to the transistors drains via a center tapped winding The DC power applied to the center of RFT2 comes from the main adjustable power supply module whic...

Страница 29: ...ORTD s 8 bit s are interfaced to the 8 bit data bus of the LCD display The data byte on PORTD can be latched into the LCD display by the LCD control bits on PORTC PORTE 3 bits has the remaining A D in...

Страница 30: ...TX FM Transmitter technical manual page 30 Technical data B of the op amp...

Страница 31: ...TX FM Transmitter technical manual page 31 Technical data 3 3 BLOCK DIAGRAM...

Страница 32: ...manual page 32 Technical data 3 4 WIRING AND INTERNAL OVERVIEW Wiring details W1 yellow green 16 0 2 W2 blue 24 0 2 W3 brown 24 0 2 W4 red 24 0 2 tri rated W5 yellow 24 0 2 W6 black 24 0 2 tri rated W...

Страница 33: ...TX FM Transmitter technical manual page 33 Technical data 3 51 LCD control board...

Страница 34: ...TX FM Transmitter technical manual page 34 Technical data 3 52 Power amplifier board...

Страница 35: ...TX FM Transmitter technical manual page 35 Technical data 3 531Combo board limiter section...

Страница 36: ...TX FM Transmitter technical manual page 36 Technical data 3 532 Combo board stereo encoder section...

Страница 37: ...TX FM Transmitter technical manual page 37 Technical data 3 533 Combo board PLL exciter section...

Страница 38: ...nsistor SW1 3 BUTTONS Blue buttons CON1 10W IDC IDC boxed header CON2 16W IDC IDC boxed header LCD1 122x32 NAN YA LMD62S042JM 3 62 Power amplifier board RESISTORS R1 1K8 3K6 sot 1 4 Watt Metal Oxide R...

Страница 39: ...ch C27 82pF Ceramic Plate 2 5 pitch 680 C28 100n Y5V Monolithic Ceramic 2 5 pitch C29 100n Y5V Monolithic Ceramic 2 5 pitch C30 27pF Ceramic Plate 2 5 pitch 680 C31 12pF Ceramic Plate 2 5 pitch 680 C3...

Страница 40: ...8 Watt Carbon Film R9 10K 1 8 Watt Carbon Film R10 470R 1 8 Watt Carbon Film R11 33K 1 8 Watt Carbon Film R12 1K2 1 8 Watt Carbon Film R13 1K2 1 8 Watt Carbon Film R14 330K 1 8 Watt Carbon Film R15 33...

Страница 41: ...R111 SOR SORT ON TEST R112 10K 1 4 Watt Metal Oxide R113 10K 1 4 Watt Metal Oxide R114 10K 1 4 Watt Metal Oxide R115 10K 1 4 Watt Metal Oxide R116 10K 1 4 Watt Metal Oxide R117 10K 1 4 Watt Metal Oxid...

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Содержание TX 150/300

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Broadcast Warehouse TX 150/300, Техническое руководство, Страница: 39 / 41

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