PCB Transmit Assembly (878521-*)

Ref No.

Description

Part No.

 

 

 

PCB500

PCB Transmit

70724000

 

 

 

 

Capacitors

 

All capacitors in microfarads unless noted.

 

 

 

Ref No.

Description

Part No.

 

 

 

C501

Electrolytic, 100

51821524

C502-C504

Electrolytic, 1

51821106

C505

Electrolytic, 4.7

51821109

C506

Ceramic, 100 pF

35693019

C507

Electrolytic, 1

51821106

C508

Film, poly, .01

52719007

C509-C51O

Electrolytic, 4.7

51821109

C511

Electrolytic, 10

52723008

C512

Ceramic, .01

52676107

C513

Ceramic, 100 pF

35693019

C514

Ceramic, TC, 47 pF

52713002

C515

Ceramic, TC, 68 pF

52713003

C516',2

Ceramic, 22 pF

35693011

C5163

Ceramic, 27 pF

35693012

C517

Ceramic, .01

52676107

C518

Ceramic, 1.5 pF

35693047

C519,,2

Ceramic, 30 pf

35693046

C5193

Ceramic, 39 pF

35693014

C520',2

Ceramic, 75 pF

35693061

C5203

Ceramic, 100 pF

35693019

C521

Ceramic, 100 pF

35693019

C522

Ceramic, .001

52676101

C523,,2

Ceramic, 12 pF

35693008

C523 3

Ceramic, 18 pF

35693010

C524'

Ceramic, 27 pF

35693012

C5242

Ceramic, 24 pF

35693060

C5243

Ceramic, 33 pF

35693013

C525

Ceramic, .001

52676101

C526

Ceramic, ',lOO pF

35693019

C527

Ceramic, 3.3 pF

35693002

C528

Ceramic, 100 pF

35693019

C529,,2

Ceramic, 47 pF

35693015

C529 3

Ceramic, 68 pF

35693017

C530,,2

Ceramic, 15 pF

35693009

C5303

Ceramic, 20 pF

35693048

C531

Ceramic, .0033 (Version 1)

52719004

C531

Ceramic, .001 (Version 2)

52676101

 

 

 

 

Variable Capacitors

 

 

 

 

VC501, VC502

Variable Capacitor

35837007

 

 

 

 

Transistors

 

 

 

 

Q501, Q502

Transistor, 2N5770

54689000

Q503

Transistor, MPS-901

760376

 

 

 

 

Integrated Circuits

 

mOl

IC,NE575N

53277003

U502

IC,78L05

54680005

 

 

 

 

Diodes

 

VVC501

Diode, MV2108

58675000

VVC502

Diode, MV2108

58675000

 

 

 

 

Variable Resistor

 

VR501

5K Variable resistor

57148068

 

 

 

Ref No.

 

Description

Part No.

 

 

 

 

 

 

 

 

Coils

 

T501 3

Coil

52978000

T501',2

Coil

52978002

T502, T503

Coil

52979000

T504

Coil

52977003

L501,,2

Coil, Air Wound

63725000

L501 3

Coil, Air Wound

63725005

L502,,2

Coil, Air Wound

6372..')000

L5023

Coil, Air Wound

63725005

L503',2

 

Coil, Air Wound

63725000

L5033

 

Coil, Air Wound

63725005

 

 

 

Crystals

 

Y501'

Crystal, 177.800 MHz

52989120

Y5012

 

Crystal, 183.730 MHz

52989214

 

Y501 3

 

Crystal, 154.570 MHz

52989100

All resistors in ohms, 1/8 Watt, 5%, unless noted.

 

 

 

Resistors

 

R501, R502

 

30K

52154025

R503

 

4.7K (Version 1)

52154044

R503

 

15K (Version 2)

52154032

R504

 

10K

52154036

R505

 

15K

52154056

R506-R508

 

47K

52154020

R509, R510

 

10K

52154036

R511

 

820

 

52154062

R512

 

47

 

52154092

R513

 

47K

52154020

R514

 

5.6K

52154042

R515

 

100

 

52154084

R516

 

47

 

52154092

R517

 

8.2K

52154038

R518

 

470

 

52154068

R519

 

56

 

52154090

R520

 

47

 

52154092

R521

 

10K (Version 1)

52154036

R521

 

68K (Version 2)

52154016

R522

 

10K

52154036

 

 

 

 

 

 

 

 

Connector

 

 

 

 

P512

 

Header, 3 pin

670062

 

 

 

 

 

878521-*

Frequency

*Dash No.

Reference No.

 

 

 

177.800 MHz

-177

1

 

 

 

183.730 MHz

-183

2

 

 

 

154,570 MHz

-154

3

 

 

 

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Page 19
Image 19
Telex BTR-200 Series manual PCB Transmit Assembly

BTR-200 Series specifications

The Telex BTR-200 Series is a well-regarded solution in the realm of wireless intercom systems, widely utilized in broadcast, film, and live event production settings. Renowned for its reliability, user-friendly interface, and robust performance, the BTR-200 Series has become a staple for professionals seeking efficient communication solutions.

One of the standout features of the BTR-200 Series is its frequency agility. The system operates in the UHF band, allowing users to switch frequencies to avoid interference from other wireless devices. This adaptability is crucial in environments where multiple wireless systems operate simultaneously. Users can easily reprogram frequencies to ensure clear and uninterrupted communication among team members.

Another key characteristic of the BTR-200 Series is its impressive range. The systems can provide coverage up to 1,000 feet in line-of-sight applications, making it suitable for large venues. This extensive range ensures that communication remains intact even in expansive settings, such as concert halls or outdoor arenas. Additionally, the enhanced RF performance ensures minimal dropouts, contributing to seamless communication.

The BTR-200 Series also distinguishes itself with its digital circuitry, which enhances audio clarity and reduces noise. This reliance on advanced technology results in crisp communication that is essential for coordinating complex productions. The system also features a low-latency design, which is particularly valuable in live performance settings where timing is crucial.

In terms of user interface, the BTR-200 Series is engineered with simplicity in mind. The beltpack units and base station feature intuitive controls that enable quick adjustments, making them easy to operate even under the pressures of a production environment. Each beltpack supports individual volume control, allowing users to customize their audio experience according to their preference.

Moreover, the BTR-200 Series is built for durability and long-lasting operation. The robust construction of its components ensures reliability, even in challenging environments. Rechargeable batteries offer extended operating time while reducing the need for constant replacements.

In summary, the Telex BTR-200 Series stands out for its frequency agility, extensive range, digital audio clarity, user-friendly interface, and durable build quality. These features combined make it an ideal choice for professionals in the broadcasting and live event production industries, promoting seamless and efficient communication essential for successful operations. The BTR-200 Series remains a trusted solution, proving its worth time and again in various high-pressure scenarios.