TH-78A
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GENERAL
| Type | Amateur VHF/UHF transceiver |
|---|---|
| Frequency range | USA TX: 144-148 / 438-450 MHz RX: 100-180 / 300-500 / 800-1000 MHz |
| Tuning steps | 5 / 10 / 12.5 / 15 / 20 / 25 KHz |
| Frequency stability | ±? ppm |
| Mode | TX: FMRX: AM / FM |
| Channels / memory management | 50 regular with alpha tags (Six characters). Expandable with ME-1 option 1 call Non-volatile EEPROM storage Some miscellaneouos settings are held in RAM with lithium battery backup |
| Repeater shift / offset | ±0 to 99.9 MHz in 100 KHz steps |
| Power supply | 6.3-12 VDC (Depending on battery pack)or 6.3-16 VDC external |
| Current drain / power consumption | RX: 60-110 mA (Squelched)TX: 0.15-1.5 A |
| Antenna impedance / connector | 50 ohm / BNC |
| Dimensions (W*H*D) | 50*134*41 mm (1.97*5.28*1.61") |
| Weight | 270 g (9.52 lb), without battery and antenna |
| Other features | CTCSS/PL (TSU-7 included for USA & Canada). DTMF & DTSS. Crossband repeater function. 24 hr clock with alarm & timer. Twin RX with VU/VV/UU reception. |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne 1st IF: 45.05 MHz (VHF), 58.525 MHz (UHF) 2nd IF: 455 KHz |
|---|---|
| Sensitivity | VHF: 0.16 uV (12 dB SINAD) UHF: 0.18 uV (12 dB SINAD) |
| Selectivity | 12 KHz (-6 dB), 28 KHz (-60 dB) |
| Image rejection | — |
| AF output power / speaker | 200 mW at 10% distortion / 8 ohm |
| External speaker connector | 2.5 mm |
TRANSMITTER SECTION
| RF output power | HighLowEL 2 m:2-5 W500 mW20 mW 70 cm:2-5 W500 mW10 mW The high power setting depends on voltage / battery pack. |
|---|---|
| 2 m | 2-5 W |
| 70 cm | 2-5 W |
| Modulation system | Reactance |
| Max FM deviation (Factory set) | ±5 KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 2 Kohm / 3-conductor (3.5 mm |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | Japan, 1992-199x (Discontinued) |
|---|---|
| Additional info | — |
| BC-14 BC-15A BH-6 BT-8 EMC-1 HMC-2 ME-1 PB-13 PB-14 PB-17 PB-18 PG-2W PG-3F PG-3H SC-35 SC-36 SMC-31 SMC-32 SMC-33 SMC-34 TSU-7 WR-2 | Wall charger Rapid charger Swivel mount Battery case. Six R6/AA batteries Clip microphone with earphone Headset with VOX/PTT Memory expansion unit NiCd battery pack. 7.2 V, 700 mAh NiCd battery pack. 12 V, 300 mAh NiCd battery pack. 12 V, 700 mAh NiCd battery pack. 7.2 V, 1100 mAh DC cable Filtered cigarette lighter power cord Filtered cigarette lighter power cord Soft case Soft case Speaker-microphone Speaker-microphone Remote control speaker-microphone Speaker-microphone CTCSS/PL unit Water resistant bag |
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