Nokia 252 TECHNICAL INFORMATION

Page 1
After Sales Technical Documentation
NHA–2 Series Transceiver
Chapter 2
TECHNICAL
INFORMATION
Original 06/97
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NHA–2
After Sales
Technical Documentation
CHAPTER 2 – TECHNICAL INFORMATION Contents
Introduction Page 2–3 Product Selection Page 2–3 Handportable Page 2–3 Desktop Option Page 2–4 Mini Car Kit Option Page 2–5 Handsfree Headset Car Kit Option Page 2–6 Deluxe Car Kit Option Page 2–7 Product and Module List Page 2–8 Technical Specifications Page 2–10 General Specifications of NHA–2 Series Transceiver Page 2–10 Electrical Specifications Page 2–11 Transceiver General Features Page 2–11 Receiver Branch Page 2–11 Transmitter Branch Page 2–12
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NHA–2
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 NHA–2 Se­ries Transceiver. The performance specifications are split into general, transmit­ter, and receiver functions.

Product Selection

Handportable

The NHA–2 is a handportable cellular phone for North American dual mode AMPS system.
The basic handportable package offers the user a standard battery pack and travel charger for charging from mains. The package contains the following product:
1.
3.
4.
5.
2.
S0001132
Item/name: Type: Product code:
1. Handportable (see Variant Appendixes)
2. Standard battery BBT–6S 0670117
3. Standard travel charger
4. Standard travel charger (Australia plug) ACH–8A
5. Sandard travel charger (Euro plug) ACH–8E 0675089
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(USA plug) ACH–8U 0675091
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NHA–2
After Sales

Desktop Option

The desktop option allows the user to charge the handportable and spare bat­tery from mains. With this option the user can also discharge the spare battery. The desktop option contains the following product:
1.
Technical Documentation
3.
4.
5.
6.
7.
8.
2.
S0001133
Item/name: Type: Product code:
1. Light desktop charging stand CGH–3 0700037
2. Compact desktop charging stand CGH–4 0675079
3. Standard travel charger
(USA plug) ACH–8U 0675091
4. Standard travel charger (Australia plug) ACH–8A
5. Standard travel charger (Euro plug) ACH–8E 0675089
6. Rapid travel charger (USA plug) ACH–6U 0675085
7. Rapid travel charger
(Australia plug) ACH–6A 0675086
8. Rapid travel charger (Euro plug) ACH–6E 0675084
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Technical Documentation

Mini Car Kit Option

This option (Mini Car Kit) offers a passive cradle and charging functions to the user in the car installation. The light car kit option contains the following prod­uct:
1.
3.
2.
4.
Item/name: Type: Product code:
1. Mobile holder MBT–3 0620027
2. Mounting plate MKE–7 0650007
3. Swivel mounting plate
4. Rapid cigarette lighter charger LCH–6 0675076
(square plate) HHS–6 0650006
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NHA–2
After Sales

Handsfree Headset Car Kit Option

This option (Handsfree Headset Car Kit) offers a passive cradle and charging functions to the user in the car installation. The light car kit option contains the following product:
5.
7.
8.
Technical Documentation
3.
2.
1.
4.
6.
Item/name: Type: Product code:
1. Mobile holder MBT–3 0620027
2. Mounting plate MKE–7 0650007
3. Swivel mounting plate
4. Rapid cigarette lighter charger LCH–6 0675076
5. External antenna adapter AAE–1 0750080
6. Headset adapter HDA–3 0694029
7. Headset HDC–2 0694017
8. External antenna
(square plate) HHS–6 0650006
(not supplied)
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Technical Documentation

Deluxe Car Kit Option

This option (Deluxe Car Kit) contains the same functions as the light car kit op­tion and also offers full handsfree and external antenna functions. The use of the product can be extended for car use with the following accessories:
7.
1.
2.
4.
10.
6.
3.
5.
11.
8.
9.
Item/name: Type: Product code:
1. Mobile holder MBT–3 0620027
2. Compact handsfree unit PHF–5 0694028
3. Mounting plate
4. Swivel mounting plate (square plate) HHS–6 0650019
5. Mobile installation charger LCM–1 0675077
6. Power cable PCM–5 0730058
7. External antenna adapter AAE–1 0750080
8. Handsfree microphone HFM–7 0690002
9. Audio handset HSU–2 0640078
10. Installation belts
11. External antenna – Rapid cigarette lighter charger (opt.) LCH–6 0675076 – Headset (optional) HDC–2 0694017 – Mounting plate MKE–7 0650021
(for HSU–1) MKE–1 0650007
(not supplied)
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After Sales

Product and Module List

Unit/type: Product code: Module code: Transceiver NHA–2 See variant
Battery Pack BBT–6L (470 mAh) 0670132 Battery Pack BBT–6S (950 mAh) 0670117 Battery Pack BBT–6E (1200 mAh) 0670118 Battery Pack BBT–6H (1700 mAh) 0670133 Battery Pack BBT–6LT (450 mAh) 0670134 Battery Pack BBT–6ST (950 mAh) 0670135 Battery Pack BBT–6ET (1200 mAh) 0670136 Standard Charger ACH–8U (USA) 0675091 Standard Charger ACH–8A (AUS) 0670197 Standard Charger ACH–8E (EUR) 0675089
Technical Documentation
Appendixes
Fast & Light Charger ACH–6U (USA) 0675085 Fasr & Light Charger ACH–6A (AUS) 0675086 Fast & Light Charger ACH–6E (EUR) 0675084 Rapid Cigarette Lighter Charger
LCH–6 Mobile Installation Charger LCM–1 0675077 Basic Stand CGH–3 0700037 Desktop Stand CGH–4 0675079 Phone Holder MBT–3 0620027 Mounting Plate MKE–7 0650021 Swivel Mounting Plate HHS–6 0650019 Power Cable PCM–5 0730058 Handset HSU–2 0640078 Headset HDC–2 0694017 Headset Adapter HDA–3 0694029
0675076
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Unit/type: Product code: Module code: Handsfree Microphone HFM–7 0690012 External Antenna Adapter AAE–1 0750080 Compact Handsfree Unit PHF–5 0694028
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NHA–2
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Technical Specifications

General Specifications of NHA–2 Series Transceiver
Temperature range Operating time (with BBH–6S)
talk time standby time
Battery voltage Nominal current consumption standby mode
standby mode (no serv) conversation mode
conversation mode (lights on) Dimensions (h x w x d)
–30C to +60C
120 min 26 hrs
4.8 V
36 mA 36 mA 475 mA 575 mA
s
Technical Documentation
transceiver + BBT–6L transceiver + BBT–6S/E
transceiver + BBT–6H Weight
transceiver + BBT–6L transceiver + BBT–6S transceiver + BBT–6E transceiver + BBT–6H
160 x 57 x 26.5/38 mm 160 x 57 x 28.5/38 mm 160 x 57 x 31/38 mm
225 g 250 g 260 g 275 g
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Electrical Specifications

Transceiver General Features

Cellular system Number of channels Duplex spacing Channel spacing Frequency tolerance <± Frequency control Voice modulation Compander Data modulation Word format
Advanced Mobile Phone System 832 duplex operation 45 MHz 30 kHz
2.5 ppm synthesized phase modulation 2:1 Manchester–coded, 20 kbaud FSK BCH encoded

Receiver Branch

Frequency band Sensitivity Adjacent channel selectivity
(30/60 kHz) Spurious response rejection Intermodulation rejection RSSI dynamic range RSSI starting level Harmonic distortion
869 to 894 MHz better than –116 dBm (12 dB SINAD) > 60 dB
> 60 dB > 65 dB > 60 dB < –110 dBm better than –26 dB
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Transmitter Branch

Frequency band Nominal battery level Current consumption Reference voltage for regulators Output power at all channels
PL0...PL2 PL3 PL4 PL5 PL6 PL7
Modulation distortion
Technical Documentation
824.040 to 84.970 MHz
4.8 V d.c. typ. 450 mA (pow.lev. PL2, lights off)
3.3 V
26.5 dBm
22.5 dBm
18.5 dBm
14.5 dBm
10.5 dBm
6.5 dBm (tolerances +2 dB, –4 dB) < 5 %
Modulation products
outside ±20 kHz
outside ±45 kHz
outside ±60 kHz
outside ±90 kHz
Residual modulation TX on/off delay Maximum deviation ±
<–26 dBc <–45 dBc <–65dBc <–33 dBc < –26 dB < 2 ms
12 kHz
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