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Last modified 2023-09-17

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Icom IC-Delta 1A

A picture of Icom IC-Delta 1A

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: TX: 144-148 / 440-450 / 1240-1300 MHz
RX: 118-174 / 350-470 / 800-950 / 1240-1300 MHz
Tuning steps: 2 m/70 cm: 5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
23 cm: 10 / 20 / 25 / 50 KHz
Frequency stability: 2 m/70 cm: Max ±5 ppm @ 0 to +50°C (+32 to +122°F)
23 cm: Max ±3 ppm @ 0 to +50°C (+32 to +122°F)
Mode:FM
Channels / memory management: 23 regular per band
2 scan edge per band
1 call per band
Repeater shift / offset:±0 to 60 MHz in selected step size
Power supply:7.2-12 VDC (Depending on battery pack)
or 6-15 VDC external
Current drain / power consumption:RX: 20-590 mA
TX: 0.7-1.9 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):58*145*49 mm (2.3*5.7*1.9"), with BP-102
Weight:635 g (1.4 lb), with BP-102
Other features:DTMF. Clock. Timer. Triple independent receivers.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 30.85 MHz (2 m)
1st IF: 35.8 MHz (70 cm)
1st IF: 72.2 MHz (23 cm)
2nd IF: 455 KHz - Ceramic filter: CFUM455E
Sensitivity:2 m/70 cm: <0.16 uV (12 dB SINAD)
23 cm: <0.2 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power / speaker:200 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

HighMidLow
2 m:5 W3.5 W500 mW
70 cm:5 W3.5 W500 mW
23 cm:1 W200 mW200 mW

Indicated high power is @ 13.5 VDC
Modulation system:Variable reactance frequency modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:2 m/70 cm: Better than -60 dB
23 cm: Better than -40 dB
Microphone impedance / connector:2 Kohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1992-199x (Discontinued)
Additional info:
Related documents: User manual (5.4 MB)
Service manual (7.6 MB)
FM-IF 1: TK10487 (2 m)
FM-IF 2: MC3371D (70 cm)
FM-IF 3: MC3371D (23 cm)
PLL 1: M56760PF (2 m)
PLL 2: M56760FP (70 cm)
PLL 3: MB1502PF (23 cm)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-22
AD-27
BC-77A
BC-77D
BC-77E
BC-77V
BC-79
BP-100
BP-101
BP-102
BP-103
CP-13
HM-65
HM-70
HS-60
MB-24
MB-25
OPC-288
UT-70
UT-71
Battery charge adapter
Battery pack adapter
Wall charger. 12 VDC, 100 mA. For BP-101 and BP-103
Wall charger. 12 VDC, 100 mA (EU 220 VAC). For BP-101 and BP-103
Wall charger. 12 VDC, 100 mA. For BP-101 and BP-103
Wall charger. 12 VDC, 100 mA. For BP-101 and BP-103
Desktop rapid charger for BP-101/102/103. Requires AD-27
Battery case, for six LR6/AA alkaline or NiCd batteries
NiCd battery pack. 7.2 V, 700 mAh
NiCd battery pack. 7.2 V, 1200 mAh
NiCd battery pack. 12 V, 600 mAh
Cigarette lighter cable with noise filter
Speaker-microphone with earphone jack
Speaker-microphone
Headset with VOX and PTT
Mounting bracket. Hanger type
Mounting bracket. Wall type
DC power cable
Tone squelch (Triband capable) and tone encoder unit
Programmable tone encoder unit (Standard in the US version)