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GRC9 - Schema's

grc9-1.jpg

GRC9 SCHEMA's

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tek-fig74-1a
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tek-fig74-1a-onderkant
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tek-fig74-1b
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tek-fig75-2c
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tek-fig75-2b
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tek-fig75-2a
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tek-fig74-1c
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VOEDING

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tek-fig76-voeding-3c
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tek-fig76-voeding-3b
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tek-fig76-voeding-3a
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Dynamotor - DL

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tek-fig77b-dy-gy-88-1b
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tek-fig77b-dy-gy-88-1a
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Dynamotor - FR

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tek-fig77-dy-fr-88-1b
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tek-fig77-dy-fr-88-1a
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SEM-25


SEM 25 BEDIENINGS KNOPPEN

 

A : Channel programming drum (behind cover)

B : Call button: Keys transmitter, sends 1600 Hz ton

C : Squelch

D : Volume

E : Manual tuning, 1 MHz steps

F : Manual tuning, 50 kHz steps

G : Power

H : Channel selector (H = manual tuning)

I : Power-on light (turn bezel to dim)

sem25_p02small.jpg

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Power Switch Settings (Ref. G)

 

AUS:                   Off

EMPF:                 Receive-only

SENDEN KLEIN:  Transmit/receive (low power)

SENDEN GROSS: Transmit/receive (high power)

 

Squelch Switch Settings (Ref. C)

 

Note: Squelch is opened by carrier level, equivalent to "old" mode in U.S. radios.

 

RAUSCHSP. AUS:  Squelch off

RAUSCHSP. EIN:  Squelch on

RELAIS:               Relay (retransmit)

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SEM-25: Specifications

ALGEMEEN:

 

Modes :                               Simplex, retransmit

Frequency :                        Range26.00-69.95 MHz

Channel :                            Spacing50 kHz

Number of channels :        880

Channel selection :           44 1-MHz bands, 20 50-kHz channels each

Programmable channels : 10

Modulation :                       FM

 

Operation, including frequency selection :

Operated from a transceiver-mounted control box,

or from a relocatable control box in vehicle (max. cable length 10m)

Transmitter operation :

  1. From handset or aux. receiver

  2. From on-board intercom

  3. From telephone remote control

Remote input and output arrangement :  From telephone remote control over field phone wires,

up to 3 km long, max. resistance 480 ohms

Temperature rangeOperating : range from -45°C to +60°C

Overvoltage protectorFor : Transients up to 65V from the battery regulator

Power supply : 24V battery supply, negative ground, permissible voltage range 21V to 29V,

short term overvoltage up to 32V


 

====================

ZENDER:

Output powerHigh :  15 W
Low :                          approx. 1 W

Calling frequency : 1600 Hz

Audio input :

  1. 0.25 V from 150 ohm carbon microphone

  2. 0 dB from 600 ohm balanced line

  3. Warm-up tim : Eapprox. 30 seconds

====================

ONTVANGER:

Sensitivity :  <= 0.5 µV for 20 dB s/n with 1000 Hz modulation and 10.5 kHz deviation

Bandwidth :  >= 30 kHz at 6 dB points

Selectivity :  +/- 50 kHz at 80 dB points

Audio output :

  1. 0.6 W into 5 ohm loudspeaker
  2. 50 mW into 600 ohm headset
  3. 1 mW into 600 ohm balanced line

====================

Power Supply :

Voltage :   24V battery (21V to 29V), negative ground, permissible short term overvoltage up to 32V

Power requirements, RXapprox. 10 W

Power requirements, TX : Low : approx. 50 W while transmitting

Power requirements, TX : Highapprox. 80 W while transmitting

Power requirements, TX : Low or TX Highapprox. 29 W when not transmitting

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AFMETING-GEWICHT :

sem25specificatie.png

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CONNECTOR:

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sem25_p03small.jpg
connectror.png
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sem25_p07small.jpg
sem25_p04small.jpg
sem25_p08small.jpg
sem25_p06small.jpg
sem25modules1.png
sem25modules2.png
sem25modules3.png

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SEM 25 SCHEMA's

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Afbeelding
blk01
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Afbeelding
blk02
Afbeelding [42.8 KB]
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Afbeelding
blk03
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Afbeelding
blk04
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Afbeelding
blk05
Afbeelding [14.2 KB]
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SCHEMA's

sem25schema.png
Afbeelding
sch01
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Afbeelding
sch02
Afbeelding [67.9 KB]
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Afbeelding
sch03
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Afbeelding
sch04
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Afbeelding
sch05
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Afbeelding
sch06
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Afbeelding
sch07
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Afbeelding
sch08
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sch09
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sch10
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sch11
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sch12
Afbeelding [101.7 KB]
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Afbeelding
sch13
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sch14
Afbeelding [35.2 KB]
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Afbeelding
sch15
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sch16
Afbeelding [35.3 KB]
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Afbeelding
sch17
Afbeelding [32.2 KB]
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Afbeelding
sch18
Afbeelding [66.3 KB]
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====================

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SEM 35

SEM-3520Veh.jpg

SCHEMA SEM 35


SEM 35 INFO

AFSTEMMING OMBOUW SEM 35

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sem35-INFO
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OMBOUW-AFTEM
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PRC 26

Schema + Handleiding.

 

PRC 26 SCHEMA

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prc26
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