GENERAL |
Type: | Citizen band / "Freeband" / Export transceiver |
Frequency range: |
26-30 MHz
Originally marketed as a 10 m ham transceiver, but
expanding the frequency coverage is a simple task.
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Channels / tuning steps: | 100 Hz, 1 / 10 KHz |
Mode: | AM / FM / SSB / CW |
Frequency control: | PLL (SM5152A) |
Frequency stability: | ±300 Hz @ 25°C (77°F), after 5 minutes warmup |
Clarifier or Delta tune: | ±3 KHz "RIT" |
Power supply: | 13.2 VDC |
Current drain / power consumption: | RX: Max 1 A TX: Max 5 A |
Antenna impedance / connector: | 50 ohm / SO-239 |
Dimensions (W*H*D): | 185*60*250 mm (7.28*2.36*9.84") |
Weight: | 2 Kg (4.41 lb) |
Other features: | PA. SWR-meter. NB. RIT. Dimmer. Scanning. |
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RECEIVER SECTION |
Receiver system: |
Single conversion superheterodyne (AM/SSB/CW)
IF: 10.695 MHz
Double conversion superheterodyne (FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
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Sensitivity: |
AM: 0.5 uV (10 dB S/N)
FM: 0.5 uV (20 dB S/N)
SSB/CW: 0.25 uV (10 dB S/N)
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Selectivity: | 10 KHz (-70 dB) |
Image rejection: | 65 dB |
AF output power / speaker: | 2.5 W at 10% distortion / 8 ohm |
External speaker connector: | 9-pin Molex accessory jack, 8 ohm |
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TRANSMITTER SECTION |
RF output power: |
AM/FM: 10 W
SSB: 25 W (PEP)
CW: 25 W
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Modulation system: | |
Max FM deviation (Factory set): | ±? KHz |
Spurious emissions: | Better than -50 dB |
Microphone impedance / connector: | 500 ohm / 5-pin (Metal locking ring connector) |
Microphone input level: |
AM: 1 mV (For 50% AM modulation)
FM: 1.5 mV (For 1 KHz deviation)
SSB: 1 mV (For 10 W PEP output)
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MISCELLANEOUS |
Manufactured: | Philippines, 1988-199x (Discontinued) |
Main PCB: | PB-111 by Uniden |
Sub PCBs: |
PB-100AA - Shorting bar board
PB-112AA - LCD and driver board
PB-113BA - Pushbutton board
PB-114AB - Volume and squelch pot board
PB-115AA - Channel selector board
PB-116AA - Mode selector board
PB-117AA - NB board
PB-118AA - SWR board
PB-119AB - FM board
PB-120AB - RIT and RF gain pot board
PB-121 - PLL and CPU board
PB-126AB - Mic jack board
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Additional info: | New price 1988 in the US: $239.95 |
Related documents: |
User manual (5.1 MB)
Service manual (7.1 MB)
Schematic diagram (1.75 MB)
AF amplifier: TDA1905
RF driver: 2SC2166
RF final: MRF477
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Sams Photofact #: | None |
Modifications and fixes: |
Frequency expansion (219 KB)
There was also the "Chipswitch", which added many enhanced features such as: Even further
extended frequency range, 30 memory channels, repeater offset, split operation and more. This
modification consisted of a CPU replacement. In 2008, the chip was available for around $50.
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Reviews: |
Monitoring Times: October 1988
CQ: February 1989, page 20
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Options / accessories: |
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