Ranger service manual TR-127GK/DX Chapter Specifications, General

TR-127GK/DX

CHAPTER 1

SPECIFICATIONS

1.0 GENERAL

Model	TR-127GK, TR-127DX
Channels	40
Frequency Range	26.965 – 27.405 MHz
Emission Modes	AM
Frequency Control	Phase Lock Loop (PLL) synthesizer
Frequency Stability	0.001 %
Operating Temperature Range	-30°C to +50°C
Antenna Impedance	50 Ohms
Input Voltage	13.8V DC
Antenna Connector	Standard SO-239 type
Dimensions	7 1/4”(W) x 9”(D) x 2 1/4”(H)
Weight	3.4 lbs.

1.1 TRANSMITTER

RF Power Output	AM : 4 watts
RF Transmit Modes	AM
Spurious Emissions	- 60dB
Audio Frequency Response	300 to 2500 Hz
Microphone	Dynamic
Output Indicators	Meter shows incoming signal strength, RF output
	power, and SWR level. Transmit LED glows red
	when transmitter is in operation.

1.2 RECEIVER

Sensitivity For 10dB S/N	< 1.0∝V
IF Frequency	AM: 10.695 MHz 1st IF, 455 KHz 2nd IF
Image Rejection	- 50dB
Adjacent Channel Selectivity	- 60dB
RF Gain Control	45dB adjustable for optimum signal reception
Automatic Gain Control (AGC) Figure Of Merit	100mV for 10dB Change in Audio Output
Squelch	Adjustable; threshold less than 0.5∝V
Noise Blanker	RF type
Audio Output Power	2.5W @ 10% THD
Audio Frequency Response	300 to 2500 Hz
Built-in Speaker	8 Ohms, 4 Watts
External Speaker (Not Supplied)	8 Ohms, 4 Watts

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)

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