Chapter 2 Radio Power
This chapter provides a detailed circuit description of the power distribution of an ASTRO APX 5000/
APX 6000/ APX 6000XE/ SRX 2200 radio.
2.1 General
In the ASTRO APX 5000/ APX 6000/ APX 6000XE/ SRX 2200 radio, power (B+) is distributed to two
boards: the transceiver (RF) board and the VOCON board (see Figure 2-1 on page 2-2).
Power for the radio is provided through a battery supplying a nominal 7.5 Vdc directly to the
transceiver. The following battery types and capacities are available:
Table 2-1. Batteries
Part Number Description
NNTN7033 4100 mAh IMPRES Li-Ion, Intrinsically Safe, Rugged
NNTN7034 4200 mAh IMPRES Li-Ion, Rugged
NNTN7035 2000 mAh IMPRES NiMH, Intrinsically Safe, Rugged
NNTN7036 2000 mAh IMPRES NiMH, Intrinsically Safe, IP67
NNTN7037 2100 mAh IMPRES NiMH, IP67
NNTN7038 2900 mAh IMPRES Li-Ion, IP67
NNTN7573 2100 mAh IMPRES NiMH, Rugged
NNTN8092 2300 mAh IMPRES Li-Ion, Intrinsically Safe, Rugged
NNTN8182 2900 mAh Li-Ion, Rugged, Military
PMNN4403 2150 mAh IMPRES Li-Ion, Slim, IP67
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