| GENERAL |
| Type: | Citizen band / "Freeband" / Export transceiver |
| Frequency range: |
25.615-28.315 MHz in six bands:
| A: | 25.615-26.055 MHz |
| B: | 26.065-26.505 MHz |
| C: | 26.515-26.955 MHz |
| D: | 26.965-27.405 MHz |
| E: | 27.415-27.855 MHz |
| F: | 27.865-28.305 MHz +10 KHz |
|
| Channels / tuning steps: | 271 (Including +10 KHz channels) |
| Mode: | AM / FM / SSB |
| Frequency control: | PLL (MC145106) |
| Frequency stability: | ±?% |
| Clarifier or Delta tune: | Coarse (RX/TX): ±5 KHz
Fine (RX): ±1.25 KHz |
| Power supply: | 11.7-15.9 VDC (3-pin connector) |
| Current drain / power consumption: | RX: 0.5-1.3 A
TX: Less than 4.5 A |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 200*60*260 mm (7.9*2.4*10.24") |
| Weight: | 2.2 Kg (5 lb) |
| Other features: | PA (Non ASC only). +10 KHz switch. ANL/NB. Roger beep. |
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| RECEIVER SECTION |
| Receiver system: |
Single conversion superheterodyne (AM/SSB)
IF: 10.695 MHz
Double conversion superheterodyne (FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
|
| Sensitivity: |
AM: 0.5 uV (10 dB S+N/N)
FM: 0.5 uV (20 dB S+N/N)
SSB: 0.15 uV (10 dB S+N/N)
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| Selectivity: |
AM/SSB: 4.2 KHz (-6 dB), 7.5 KHz (-60 dB)
FM: 7 KHz (-6 dB), 15 KHz (-60 dB)
|
| Image rejection: | 60 dB |
| AF output power / speaker: | 2.5 W at 10% distortion / 8 ohm |
| External speaker connector: | 3.5 mm, 8 ohm |
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| TRANSMITTER SECTION |
| RF output power: |
AM: 10 W
FM: 10 W
SSB: 21 W
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| Modulation system: | |
| FM deviation (Factory set): | ±1.5 KHz |
| Spurious emissions: | Better than -50 dB |
| Microphone impedance / connector: | 600 ohm / 6-pin (Metal locking ring connector) |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Philippines (Early) and China (Later), 199x-20xx (Discontinued) |
| Main PCB: | PB-042AE by Uniden |
| Sub PCBs: | |
| Additional info: |
It appears that the early Mk2 did not feature ASC, while later Mk2
had an ASC module botched in along with a proper ASC faceplate.
|
| Related documents: |
PLL: MC145106
RF final: MRF477
|
| Sams Photofact #: | None |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
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