| GENERAL |
| Type: | Citizen band transceiver |
| Frequency range: |
Early
26.965-27.255 MHz
Later
26.965-27.405 MHz
|
| Channels / tuning steps: | 23 or 40 |
| Mode: | AM / SSB |
| Frequency control: | 23 channels: XTAL-matrix
40 channels: PLL (Multiple discrete IC's) |
| Frequency stability: | ?% |
| Clarifier or Delta tune: | ±500 Hz |
| Power supply: | Mains: 117 VAC (Male 2-pin jack)
or 13.8 VDC (Screw terminals for 23 ch and male 3-pin jack for 40 ch) |
| Current drain/power consumption: | RX: ? mA @ 13.8 VDC
TX: ? A @ 13.8 VDC |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 356*133*279 mm (14*5.25*11") |
| Weight: | 7.26 Kg (16 lb) |
| Other features: | PA. NB. 12hr flip clock with timer. SWR meter. |
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| RECEIVER SECTION |
| Receiver system: |
Single conversion superheterodyne
IF: 7.8 MHz
|
| Sensitivity: |
AM: 1 uV (10 dB S+N/N)
SSB: 0.5 uV (10 dB S+N/N)
|
| Squelch sensitivity: | 1 uV (Threshold)
500 uV (Tight) |
| Selectivity: | 4.2 KHz (-6 dB)
20 KHz (-40 dB) |
| Image rejection: | |
| AF output power / speaker: | 3 W at ?% distortion / 8 ohm |
| External speaker connector: | TS "Minijack" (3.5 mm) |
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| TRANSMITTER SECTION |
| RF output power: |
AM: 4 W
SSB: 12 W
|
| Modulation system: |
AM: High-level class B
SSB: Balanced modulator/Crystal lattice filter
|
| Max AM modulation (Factory set): | ?% |
| Max FM deviation (Factory set): | No FM |
| Spurious emissions: | Better than -? dB |
| Microphone impedance / connector: | ? ohm / 4-pin (Male GX16 locking ring jack) |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Japan, 197x-197x (Discontinued) |
| Main PCB: |
23 channel version
Currently unknown to me
40 channel version
TW-23 by Pace
Double sided with non through-plated holes
Through hole components
|
| Sub PCBs: | |
| Additional info: |
A late limited production run featured revised
circuit boards with PLL and 40 channels.
New price 1975 in the US: $449.95
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| Related documents: |
Service manual, 23 channel version (9 MB)
|
| Known markets and approvals: |
USA
FCC Data: Sidetalk-1000B
|
| Sams Photofact #: | CB-94 (August 1976), 23 channel version |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
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