After Sales Technical Documentation
THX–4 Series Transceiver
Chapter 2
PERFORMANCE
SPECIFICATIONS
Original, 09/94
THX–4
After Sales
Performance Specifications
Technical Documentation
CHAPTER 2 – PERFORMANCE SPECIFICATIONS
CONTENTS
Page No
Introduction 2–3
Product and Module List 2–3
Technical Specifications 2–6
General Specifications of THX–4 Series Transceiver 2–6
Electrical Specifications 2–6
Transceiver General Features 2–6
Receiver Branch 2–7
Transmitter Branch 2–8
Synthesizer’s RX Branch 2–8
Synthesizer’s TX Branch 2–8
Original, 09/94Page 2–2
After Sales
THX–4
Technical Documentation
Introduction
This chapter contains a list of products/modules together with their
associated order codes, and details of the performance specifications for
the THX–4 Series Transceiver. The performance specifications are split
into general, transmitter, and receiver functions.
Product and Module List
Unit/type: Product code: Module code:
Transceiver THX–41X 0500073
system module KS3 0200321
display module KL2 0200406
mechanics MTHX41X 0260315
Transceiver THX–42X 0500076
Performance Specifications
system module KS3 0200321
display module KL2 0200406
mechanics MTHX42X 0260398
Transceiver THX–43X 0500079
system module KS3T 0200412
display module KL3 0200407
mechanics MTHX43X 0260395
Battery Pack BTH–6L (300 mAh) 0670069
Battery Pack BTH–6S (380 mAh) 0670064
Battery Pack BTH–6SM (550 mAh) 0670065
Battery Pack BTH–6H (790 mAh) 0670066
Battery Pack BTH–6HM (1100 mAh) 0670067
Battery Pack BTH–8L (300 mAh) 0270126
Battery Pack BTH–8S (380 mAh) 0670054P
Battery Pack BTH–8SM (550 mAh) 0670055P
Battery Pack BTH–8H (790 mAh) 0670056P
Battery Pack BTH–8HM (1100 mAh) 0670057P
AC Travel Charger ACH–3X 0675002
AC Rapid Travel Charger ACH–4X 0675009
AC Power Supply ACS–6X 0680019
AC Travel Charger ACH–3E 0675001
AC Rapid Travel Charger ACH–4E 0675008
AC Power Supply ACS–6E 0680017
Original, 09/94 Page 2–3
THX–4
After Sales
Performance Specifications
Unit/type: Product code: Module code:
Cigarette Lighter Charger LCH–2 0675013
charging module AL4
(no spare parts available)
mechanics MLCH2–2U
(no spare parts available)
Desktop Charger CHH–6 0675041
charging module DC2H 0200296
mechanics MCHH–6 0260337
Handsfree Desktop Charger CHH–7 0675040
DCXH1 module (comprising) 0200335
module DC3H 0200334
module DC4H 0200295
mechanics MCHH–7 0260338
Technical Documentation
0200044
0260094
In–car Holder MBH–9 0630009
mechanics MMBH–9 0260339
Installation kit KMKE–1 0260076
Anti–vibration Mount MKA–1 0945136
Mounting Plate MKE–1 0650007
installation kit 0260076
Cable Clip CKH–1 0620016
HF Junction Box HFJ–2 0694006
charging module BC4 0200045
mechanics 0260065
Cable Junction Box JBH–1 0630008
mechanics 0260336
Compact Handsfree Unit PHF–2 0630010
Mounting Kit for above Unit KPHF–1 0260254
Compact Handsfree Unit Charger
LCP–2
Booster BSH–1 0082012
0680022
booster module BB3 0200100
mechanics 0260109
Original, 09/94Page 2–4
After Sales
THX–4
Technical Documentation
Unit/type: Product code: Module code:
(Booster) Mounting Bracket MBM–3 0700016
mechanics 0260010
installation kit 0260108
Power Cable PCH–4 0730009
HF Microphone HFM–3 0690001
HF Speaker HFS–6 0692006
Front Mount Cable SCE–2 0730014
Extension Cable SCE–3 0730015
RF Extension Cable XRH–1 0730017
Swivel Mount HHS–1 0650008
In–car Data Cable FDP–1 0750009
Analog PCMCIA Card DTP–3 0750037
PCMCIA Data Cable DLH–2 0730043
Performance Specifications
Teleadaptor FDM–2 0750019
Fixed Antenna AMA–1 0660062
Original, 09/94 Page 2–5
THX–4
After Sales
Performance Specifications
Technical Documentation
Technical Specifications
General Specifications of THX–4 Series Transceiver
Temperature range
Operating time (with BTH–6/8SM)
S talk time
S standby time
Supply voltage
Nominal current consumption
S standby mode
S conversation mode
Dimensions (h x w x d)
S transceiver + BTH–6S/8S
S transceiver + BTH–6H/8H
–10_C to +55_C
70 min
15 hrs
5.25 V to 9.0 V (nominal 6.0 V)
35 mA
425 mA
147 x 54 x 17.5 mm
147 x 54 x 23.4 mm
s
Weight
S transceiver + BTH–6S/8S
S transceiver + BTH–6H/8H
Electrical Specifications
Transceiver General Features
Number of channels
Duplex spacing
Channel spacing
Frequency tolerance <
Frequency control
Voice modulation
Compander
Data modulation
Data speed
Word format
200 g
345 g
1320 duplex operation
45 MHz
25 kHz
2.5 ppm
synthesized
frequency modulation
2:1
Manchester–coded, 16 kbaud FSK
8 kbits
BCH encoded
Original, 09/94Page 2–6
After Sales
THX–4
Technical Documentation
Receiver Branch
Frequency band
Rx First Intermediate Frequency 45 MHz
Rx Second Intermediate Frequency 450 kHz
Sensitivity better than: <
Adjacent channel selectivity > 55 dB
Spurious response rejection
Intermodulate rejection
RSSI dynamic range
RSSI starting level
Harmonic distortion better than:
Blocking or desensitization at 1
MHz from receive frequency:
band A
Performance Specifications
917.0125 to 949.9875 MHz
–110 dBm (20 dB SINAD)
> 55 dB
> 55 dB
> 60 dB
< 113 dBm
<–26 dB
>–50 dBm
band B
Demod. aud. output level (2.3 kHz)
Demod. audio phase
Demodulation noise
Demod. audio frequency response 300Hz–3kHz with 6dB/ octave
>–23 dBm
50 mV nominal
inverted
<– 32 dB
de–emphasis
Original, 09/94 Page 2–7
THX–4
After Sales
Performance Specifications
Transmitter Branch
Frequency band
Number of channels
PA efficiency >55%
Reference voltage for regulators
Output power at all channels
PL2
PL3
PL4
PL5
PL6
PL7
Technical Documentation
872.0125 to 904.9875 MHz
1320 International (1240 UK)
4.8 V
"
0.2 V
28 dBm
24 dBm
20 dBm
16 dBm
12 dBm
8 dBm
(tolerances +2 dB, –4 dB)
Modulation distortion
Modulation products:
outside "17kHz
"37.5kHz < –45dBc
"50kHz < –60 dBc
Residual modulation
TX rise and fall times
Wideband data
logic 0 corresponds to dev.
logic 1 corresponds to dev.
Maximum deviation "
Transmitter AF response 300Hz–3kHz with 6dB/ octave pre–
Synthesizer’s RX Branch
Injection frequency range
Center channel tuning voltage
< 5 %
< –26dBc
< –26 dB
< 2 ms
+6.4 kHz ("10 %)
–6.4 kHz ("10 %)
9.5 kHz
emphasis
962.0125 to 994.9875 MHz
2.5V " 0.5 V
Synthesizer’s TX Branch
Injection frequency range
Output level to transmitter
(at V4 output)
Tuning voltage sensitivity
Center channel tuning voltage
872.0125 to 904.9875
0 dBm
"
2 dB
15 – 20 MHz/V
2.5V
"
0.5 V
MHz
Original, 09/94Page 2–8
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